如何通过HTTP优雅调用第三方-Feign

2020-06-16 15:52:01 阅读：214 来源： 互联网

标签：Feign gt HTTP color inherit 优雅 lt nbsp 0px

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<div id='write' class = 'is-mac'><h1><a name='header-n960' class='md-header-anchor '></a>如何通过HTTP优雅调用第三方-Feign</h1><div class='md-toc' mdtype='toc'><p class="md-toc-content"><span class="md-toc-item md-toc-h1" data-ref="n960"><a class="md-toc-inner" style="" href="#header-n960">如何通过HTTP优雅调用第三方-Feign</a></span><span class="md-toc-item md-toc-h2" data-ref="n963"><a class="md-toc-inner" style="" href="#header-n963">Java常用HTTP客户端</a></span><span class="md-toc-item md-toc-h3" data-ref="n973"><a class="md-toc-inner" style="" href="#header-n973">示例</a></span><span class="md-toc-item md-toc-h3" data-ref="n976"><a class="md-toc-inner" style="" href="#header-n976">存在问题</a></span><span class="md-toc-item md-toc-h2" data-ref="n986"><a class="md-toc-inner" style="" href="#header-n986">面向接口实现HTTP调用</a></span><span class="md-toc-item md-toc-h3" data-ref="n987"><a class="md-toc-inner" style="" href="#header-n987">HTTP请求和响应的组成</a></span><span class="md-toc-item md-toc-h3" data-ref="n993"><a class="md-toc-inner" style="" href="#header-n993">从访问百度主页开始</a></span><span class="md-toc-item md-toc-h4" data-ref="n994"><a class="md-toc-inner" style="" href="#header-n994">声明接口</a></span><span class="md-toc-item md-toc-h4" data-ref="n996"><a class="md-toc-inner" style="" href="#header-n996">声明注解</a></span><span class="md-toc-item md-toc-h3" data-ref="n1003"><a class="md-toc-inner" style="" href="#header-n1003">HOW？</a></span><span class="md-toc-item md-toc-h4" data-ref="n1011"><a class="md-toc-inner" style="" href="#header-n1011">声明工厂类</a></span><span class="md-toc-item md-toc-h3" data-ref="n1013"><a class="md-toc-inner" style="" href="#header-n1013">抽象工厂，处理注解</a></span><span class="md-toc-item md-toc-h4" data-ref="n1015"><a class="md-toc-inner" style="" href="#header-n1015">基于代理和HttpURLConnection实现</a></span><span class="md-toc-item md-toc-h3" data-ref="n1017"><a class="md-toc-inner" style="" href="#header-n1017">拉出来溜溜</a></span><span class="md-toc-item md-toc-h3" data-ref="n1020"><a class="md-toc-inner" style="" href="#header-n1020">面向接口的好处</a></span><span class="md-toc-item md-toc-h3" data-ref="n1030"><a class="md-toc-inner" style="" href="#header-n1030">不要重复造轮子？</a></span><span class="md-toc-item md-toc-h2" data-ref="n1038"><a class="md-toc-inner" style="" href="#header-n1038">优化</a></span><span class="md-toc-item md-toc-h2" data-ref="n1060"><a class="md-toc-inner" style="" href="#header-n1060">轮子篇-Feign</a></span><span class="md-toc-item md-toc-h3" data-ref="n1068"><a class="md-toc-inner" style="" href="#header-n1068">先睹为快</a></span><span class="md-toc-item md-toc-h3" data-ref="n1072"><a class="md-toc-inner" style="" href="#header-n1072">插件式设计</a></span><span class="md-toc-item md-toc-h3" data-ref="n1081"><a class="md-toc-inner" style="" href="#header-n1081">其他组件</a></span><span class="md-toc-item md-toc-h3" data-ref="n1086"><a class="md-toc-inner" style="" href="#header-n1086">注解解析：契约</a></span><span class="md-toc-item md-toc-h2" data-ref="n1098"><a class="md-toc-inner" style="" href="#header-n1098">实战篇-对接GIO</a></span><span class="md-toc-item md-toc-h3" data-ref="n1099"><a class="md-toc-inner" style="" href="#header-n1099">一、定义接口</a></span><span class="md-toc-item md-toc-h3" data-ref="n1101"><a class="md-toc-inner" style="" href="#header-n1101">二、Feign抽象配置</a></span><span class="md-toc-item md-toc-h3" data-ref="n1103"><a class="md-toc-inner" style="" href="#header-n1103">三、注入IOC容器</a></span><span class="md-toc-item md-toc-h3" data-ref="n1105"><a class="md-toc-inner" style="" href="#header-n1105">四、使用</a></span><span class="md-toc-item md-toc-h2" data-ref="n1107"><a class="md-toc-inner" style="" href="#header-n1107">赠送篇-结果封装</a></span><span class="md-toc-item md-toc-h2" data-ref="n1115"><a class="md-toc-inner" style="" href="#header-n1115">Q&A</a></span></p></div><p> </p><h2><a name='header-n963' class='md-header-anchor '></a>Java常用HTTP客户端</h2><ol start='' ><li>Java原生HttpURLConnection</li><li>Apache HttpClient</li><li>OkHttp</li><li>Spring RestTemplate</li></ol><h3><a name='header-n973' class='md-header-anchor '></a>示例</h3><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">interface</span> <span class="cm-def">Client</span> {</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param body</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @return</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-variable">Response</span> <span class="cm-variable">post</span>(<span class="cm-variable-3">Object</span> <span class="cm-variable">body</span>) <span class="cm-keyword">throws</span> <span class="cm-variable">Exception</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 176px;"></div><div class="CodeMirror-gutters" style="display: none; height: 176px;"></div></div></div></pre><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">class</span> <span class="cm-def">ApacheHttpClient</span> <span class="cm-keyword">implements</span> <span class="cm-variable">Client</span> {</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-keyword">static</span> <span class="cm-keyword">final</span> <span class="cm-variable-3">String</span> <span class="cm-variable">DEFAULT_CONTENT_TYPE_VALUE</span> <span class="cm-operator">=</span> <span class="cm-string">"application/json"</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-keyword">static</span> <span class="cm-keyword">final</span> <span class="cm-variable-3">String</span> <span class="cm-variable">DEFAULT_CHARSET_NAME</span> <span class="cm-operator">=</span> <span class="cm-string">"UTF-8"</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable-3">String</span> <span class="cm-variable">url</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-keyword">final</span> <span class="cm-variable">HttpClient</span> <span class="cm-variable">client</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">JsonSerializer</span> <span class="cm-variable">jsonSerializer</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param url</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">public</span> <span class="cm-variable">ApacheHttpClient</span>(<span class="cm-variable-3">String</span> <span class="cm-variable">url</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">this</span>(<span class="cm-variable">url</span>, <span class="cm-variable">HttpClientBuilder</span>.<span class="cm-variable">create</span>().<span class="cm-variable">build</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param url</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param client</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">public</span> <span class="cm-variable">ApacheHttpClient</span>(<span class="cm-variable-3">String</span> <span class="cm-variable">url</span>, <span class="cm-variable">HttpClient</span> <span class="cm-variable">client</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">this</span>(<span class="cm-variable">url</span>, <span class="cm-variable">client</span>, <span class="cm-keyword">new</span> <span class="cm-variable">JacksonJsonSerializer</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param url</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param client</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param jsonSerializer</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">public</span> <span class="cm-variable">ApacheHttpClient</span>(<span class="cm-variable-3">String</span> <span class="cm-variable">url</span>, <span class="cm-variable">HttpClient</span> <span class="cm-variable">client</span>, <span class="cm-variable">JsonSerializer</span> <span class="cm-variable">jsonSerializer</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">if</span> (<span class="cm-variable">StringUtils</span>.<span class="cm-variable">isBlank</span>(<span class="cm-variable">url</span>)) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-keyword">throw</span> <span class="cm-keyword">new</span> <span class="cm-variable">IllegalArgumentException</span>(<span class="cm-string">"Url can't be null!"</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">       }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">if</span> (<span class="cm-variable">Objects</span>.<span class="cm-variable">isNull</span>(<span class="cm-variable">client</span>)) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-keyword">throw</span> <span class="cm-keyword">new</span> <span class="cm-variable">IllegalArgumentException</span>(<span class="cm-string">"client can't be null!"</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">       }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">if</span> (<span class="cm-variable">Objects</span>.<span class="cm-variable">isNull</span>(<span class="cm-variable">jsonSerializer</span>)) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-keyword">throw</span> <span class="cm-keyword">new</span> <span class="cm-variable">IllegalArgumentException</span>(<span class="cm-string">"jsonSerializer can't be null!"</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">       }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">this</span>.<span class="cm-variable">url</span> <span class="cm-operator">=</span> <span class="cm-variable">url</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">this</span>.<span class="cm-variable">client</span> <span class="cm-operator">=</span> <span class="cm-variable">client</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">this</span>.<span class="cm-variable">jsonSerializer</span> <span class="cm-operator">=</span> <span class="cm-variable">jsonSerializer</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@Override</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">public</span> <span class="cm-variable">Response</span> <span class="cm-variable">post</span>(<span class="cm-variable-3">Object</span> <span class="cm-variable">body</span>) <span class="cm-keyword">throws</span> <span class="cm-variable">Exception</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">if</span> (<span class="cm-variable">Objects</span>.<span class="cm-variable">isNull</span>(<span class="cm-variable">body</span>)) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-keyword">return</span> <span class="cm-variable">Response</span>.<span class="cm-variable">NULL_BODY_RESPONSE</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">       }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">if</span> (<span class="cm-variable">body</span> <span class="cm-keyword">instanceof</span> <span class="cm-variable">Collection</span> <span class="cm-operator">&&</span> ((<span class="cm-variable">Collection</span><span class="cm-operator"><?></span>) <span class="cm-variable">body</span>).<span class="cm-variable">size</span>() <span class="cm-operator"><=</span> <span class="cm-number">0</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-keyword">return</span> <span class="cm-variable">Response</span>.<span class="cm-variable">EMPTY_BODY_RESPONSE</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">       }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">HttpPost</span> <span class="cm-variable">post</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">HttpPost</span>(<span class="cm-variable">url</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable-3">String</span> <span class="cm-variable">jsonString</span> <span class="cm-operator">=</span> <span class="cm-variable">jsonSerializer</span>.<span class="cm-variable">serialize</span>(<span class="cm-variable">body</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">StringEntity</span> <span class="cm-variable">entity</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">StringEntity</span>(<span class="cm-variable">jsonString</span>, <span class="cm-variable">DEFAULT_CHARSET_NAME</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">entity</span>.<span class="cm-variable">setContentType</span>(<span class="cm-variable">DEFAULT_CONTENT_TYPE_VALUE</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">post</span>.<span class="cm-variable">setEntity</span>(<span class="cm-variable">entity</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">HttpResponse</span> <span class="cm-variable">httpResponse</span> <span class="cm-operator">=</span> <span class="cm-variable">client</span>.<span class="cm-variable">execute</span>(<span class="cm-variable">post</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">HttpEntity</span> <span class="cm-variable">httpEntity</span> <span class="cm-operator">=</span> <span class="cm-variable">httpResponse</span>.<span class="cm-variable">getEntity</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable-3">String</span> <span class="cm-variable">result</span> <span class="cm-operator">=</span> <span class="cm-variable">EntityUtils</span>.<span class="cm-variable">toString</span>(<span class="cm-variable">httpEntity</span>, <span class="cm-string">"UTF-8"</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">Response</span> <span class="cm-variable">response</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">Response</span>(<span class="cm-variable">httpResponse</span>.<span class="cm-variable">getStatusLine</span>().<span class="cm-variable">getStatusCode</span>(),</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable">httpResponse</span>.<span class="cm-variable">getStatusLine</span>().<span class="cm-variable">getReasonPhrase</span>(), <span class="cm-variable">result</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">httpResponse</span>.<span class="cm-variable">getEntity</span>().<span class="cm-variable">getContent</span>().<span class="cm-variable">close</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">return</span> <span class="cm-variable">response</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 1628px;"></div><div class="CodeMirror-gutters" style="display: none; height: 1628px;"></div></div></div></pre><h3><a name='header-n976' class='md-header-anchor '></a>存在问题</h3><ul><li>面向方法</li><li>耦合HTTP客户端</li><li>手动处理请求响应</li><li>无法通用，重复编码</li></ul><h2><a name='header-n986' class='md-header-anchor '></a>面向接口实现HTTP调用</h2><h3><a name='header-n987' class='md-header-anchor '></a>HTTP请求和响应的组成</h3><ul><li>请求：请求行、请求头、请求体</li><li>响应：响应行、响应头、响应体</li></ul><h3><a name='header-n993' class='md-header-anchor '></a>从访问百度主页开始</h3><h4><a name='header-n994' class='md-header-anchor '></a>声明接口</h4><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">package</span> <span class="cm-def">com</span>.<span class="cm-variable">zby</span>.<span class="cm-variable">service</span>;</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">interface</span> <span class="cm-def">BaiduClient</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@RequestLine</span>(<span class="cm-variable">url</span> <span class="cm-operator">=</span> <span class="cm-string">"http://www.baidu.com"</span>, <span class="cm-variable">method</span> <span class="cm-operator">=</span> <span class="cm-string">"GET"</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-variable-3">String</span> <span class="cm-variable">index</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 176px;"></div><div class="CodeMirror-gutters" style="display: none; height: 176px;"></div></div></div></pre><h4><a name='header-n996' class='md-header-anchor '></a>声明注解</h4><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">package</span> <span class="cm-def">com</span>.<span class="cm-variable">zby</span>.<span class="cm-variable">annotation</span>;</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">@Inherited</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">@Documented</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">@Retention</span>(<span class="cm-variable">RetentionPolicy</span>.<span class="cm-variable">RUNTIME</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">@Target</span>(<span class="cm-variable">ElementType</span>.<span class="cm-variable">METHOD</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">@interface</span> <span class="cm-def">RequestLine</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-variable-3">String</span> <span class="cm-variable">method</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-variable-3">String</span> <span class="cm-variable">url</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 308px;"></div><div class="CodeMirror-gutters" style="display: none; height: 308px;"></div></div></div></pre><ul><li>如果我能通过注入BaiduClient接口的方式调用第三方，并且新增第三方时，只需要新增类似接口，与面向过程的方式相比，是否更优雅？</li><li>要实现注入BaiduClient接口，那么必须解析RequestLine注解，并且生成BaiduClient对象</li></ul><h3><a name='header-n1003' class='md-header-anchor '></a>HOW？</h3><ul><li>代理模式</li><li>模版方法模式</li><li>工厂模式</li></ul><h4><a name='header-n1011' class='md-header-anchor '></a>声明工厂类</h4><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">package</span> <span class="cm-def">com</span>.<span class="cm-variable">zby</span>.<span class="cm-variable">proxy</span>;</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @author zby</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @title HTTP代理工厂</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @date 2020年6月16日</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @description</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">interface</span> <span class="cm-def">HttpProxyFactory</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 获取HTTP代理对象</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param clazz</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @return</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-operator"><</span><span class="cm-variable">T</span><span class="cm-operator">></span> <span class="cm-variable">T</span> <span class="cm-variable">getProxy</span>(<span class="cm-variable">Class</span><span class="cm-operator"><</span><span class="cm-variable">T</span><span class="cm-operator">></span> <span class="cm-variable">clazz</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 418px;"></div><div class="CodeMirror-gutters" style="display: none; height: 418px;"></div></div></div></pre><h3><a name='header-n1013' class='md-header-anchor '></a>抽象工厂，处理注解</h3><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">package</span> <span class="cm-def">com</span>.<span class="cm-variable">zby</span>.<span class="cm-variable">proxy</span>;</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">lang</span>.<span class="cm-variable">reflect</span>.<span class="cm-variable">Method</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">util</span>.<span class="cm-variable">HashMap</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">util</span>.<span class="cm-variable">Map</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">util</span>.<span class="cm-variable">concurrent</span>.<span class="cm-variable">ConcurrentHashMap</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">com</span>.<span class="cm-variable">zby</span>.<span class="cm-variable">annotation</span>.<span class="cm-variable">RequestLine</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @author zby</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @title 抽象代理工厂</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @date 2020年6月16日</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @description</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">abstract</span> <span class="cm-keyword">class</span> <span class="cm-def">AbstractHttpProxyFactory</span> <span class="cm-keyword">implements</span> <span class="cm-variable">HttpProxyFactory</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">Map</span><span class="cm-operator"><</span><span class="cm-variable">Class</span><span class="cm-operator"><?></span>, <span class="cm-variable">Map</span><span class="cm-operator"><</span><span class="cm-variable">Method</span>, <span class="cm-variable">RequestLine</span><span class="cm-operator">>></span> <span class="cm-variable">classMethodCacheMap</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">ConcurrentHashMap</span><span class="cm-operator"><></span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@Override</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">public</span> <span class="cm-operator"><</span><span class="cm-variable">T</span><span class="cm-operator">></span> <span class="cm-variable">T</span> <span class="cm-variable">getProxy</span>(<span class="cm-variable">Class</span><span class="cm-operator"><</span><span class="cm-variable">T</span><span class="cm-operator">></span> <span class="cm-variable">clazz</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">if</span> (<span class="cm-operator">!</span><span class="cm-variable">clazz</span>.<span class="cm-variable">isInterface</span>()) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-keyword">throw</span> <span class="cm-keyword">new</span> <span class="cm-variable">IllegalArgumentException</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">       }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">Map</span><span class="cm-operator"><</span><span class="cm-variable">Method</span>, <span class="cm-variable">RequestLine</span><span class="cm-operator">></span> <span class="cm-variable">methodCacheMap</span> <span class="cm-operator">=</span> <span class="cm-variable">classMethodCacheMap</span>.<span class="cm-variable">get</span>(<span class="cm-variable">clazz</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">if</span> (<span class="cm-variable">methodCacheMap</span> <span class="cm-operator">==</span> <span class="cm-atom">null</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-variable">methodCacheMap</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">HashMap</span><span class="cm-operator"><></span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-variable">Method</span>[] <span class="cm-variable">methods</span> <span class="cm-operator">=</span> <span class="cm-variable">clazz</span>.<span class="cm-variable">getDeclaredMethods</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-keyword">for</span> (<span class="cm-variable">Method</span> <span class="cm-variable">method</span> : <span class="cm-variable">methods</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable">RequestLine</span> <span class="cm-variable">requestLine</span> <span class="cm-operator">=</span> <span class="cm-variable">method</span>.<span class="cm-variable">getDeclaredAnnotation</span>(<span class="cm-variable">RequestLine</span>.<span class="cm-keyword">class</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-keyword">if</span> (<span class="cm-variable">requestLine</span> <span class="cm-operator">==</span> <span class="cm-atom">null</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                    <span class="cm-keyword">throw</span> <span class="cm-keyword">new</span> <span class="cm-variable">IllegalArgumentException</span>(<span class="cm-variable">method</span>.<span class="cm-variable">getName</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable">methodCacheMap</span>.<span class="cm-variable">put</span>(<span class="cm-variable">method</span>, <span class="cm-variable">requestLine</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">           }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-variable">classMethodCacheMap</span>.<span class="cm-variable">putIfAbsent</span>(<span class="cm-variable">clazz</span>, <span class="cm-variable">methodCacheMap</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">       }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">return</span> <span class="cm-variable">createProxy</span>(<span class="cm-variable">clazz</span>, <span class="cm-variable">methodCacheMap</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 创建代理对象</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param clazz</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param methodCacheMap</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @return</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">protected</span> <span class="cm-keyword">abstract</span> <span class="cm-operator"><</span><span class="cm-variable">T</span><span class="cm-operator">></span> <span class="cm-variable">T</span> <span class="cm-variable">createProxy</span>(<span class="cm-variable">Class</span><span class="cm-operator"><</span><span class="cm-variable">T</span><span class="cm-operator">></span> <span class="cm-variable">clazz</span>, <span class="cm-variable">Map</span><span class="cm-operator"><</span><span class="cm-variable">Method</span>, <span class="cm-variable">RequestLine</span><span class="cm-operator">></span> <span class="cm-variable">methodCacheMap</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 1188px;"></div><div class="CodeMirror-gutters" style="display: none; height: 1188px;"></div></div></div></pre><h4><a name='header-n1015' class='md-header-anchor '></a>基于代理和HttpURLConnection实现</h4><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">package</span> <span class="cm-def">com</span>.<span class="cm-variable">zby</span>.<span class="cm-variable">proxy</span>;</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">io</span>.<span class="cm-variable">BufferedReader</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">io</span>.<span class="cm-variable">InputStream</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">io</span>.<span class="cm-variable">InputStreamReader</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">lang</span>.<span class="cm-variable">reflect</span>.<span class="cm-variable">InvocationHandler</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">lang</span>.<span class="cm-variable">reflect</span>.<span class="cm-variable">Method</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">lang</span>.<span class="cm-variable">reflect</span>.<span class="cm-variable">Proxy</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">net</span>.<span class="cm-variable">HttpURLConnection</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">net</span>.<span class="cm-variable">URL</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">net</span>.<span class="cm-variable">URLConnection</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">java</span>.<span class="cm-variable">util</span>.<span class="cm-variable">Map</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">com</span>.<span class="cm-variable">zby</span>.<span class="cm-variable">annotation</span>.<span class="cm-variable">RequestLine</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @author zby</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @title HttpURLConnectionProxyFactory</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @date 2020年6月16日</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @description</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">class</span> <span class="cm-def">HttpURLConnectionProxyFactory</span> <span class="cm-keyword">extends</span> <span class="cm-variable">AbstractHttpProxyFactory</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@Override</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@SuppressWarnings</span>(<span class="cm-string">"unchecked"</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">protected</span> <span class="cm-operator"><</span><span class="cm-variable">T</span><span class="cm-operator">></span> <span class="cm-variable">T</span> <span class="cm-variable">createProxy</span>(<span class="cm-variable">Class</span><span class="cm-operator"><</span><span class="cm-variable">T</span><span class="cm-operator">></span> <span class="cm-variable">clazz</span>, <span class="cm-variable">Map</span><span class="cm-operator"><</span><span class="cm-variable">Method</span>, <span class="cm-variable">RequestLine</span><span class="cm-operator">></span> <span class="cm-variable">methodCacheMap</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">return</span> (<span class="cm-variable">T</span>) <span class="cm-variable">Proxy</span>.<span class="cm-variable">newProxyInstance</span>(<span class="cm-variable">clazz</span>.<span class="cm-variable">getClassLoader</span>(), <span class="cm-keyword">new</span> <span class="cm-variable">Class</span>[] {<span class="cm-variable">clazz</span>}, <span class="cm-keyword">new</span> <span class="cm-variable">InvocationHandler</span>() {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-meta">@Override</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-keyword">public</span> <span class="cm-variable-3">Object</span> <span class="cm-variable">invoke</span>(<span class="cm-variable-3">Object</span> <span class="cm-variable">proxy</span>, <span class="cm-variable">Method</span> <span class="cm-variable">method</span>, <span class="cm-variable-3">Object</span>[] <span class="cm-variable">args</span>) <span class="cm-keyword">throws</span> <span class="cm-variable">Throwable</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable">RequestLine</span> <span class="cm-variable">requestLine</span> <span class="cm-operator">=</span> <span class="cm-variable">methodCacheMap</span>.<span class="cm-variable">get</span>(<span class="cm-variable">method</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-keyword">if</span> (<span class="cm-variable">requestLine</span> <span class="cm-operator">==</span> <span class="cm-atom">null</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                    <span class="cm-keyword">throw</span> <span class="cm-keyword">new</span> <span class="cm-variable">IllegalArgumentException</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable">URL</span> <span class="cm-variable">url</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">URL</span>(<span class="cm-variable">requestLine</span>.<span class="cm-variable">url</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable">URLConnection</span> <span class="cm-variable">rulConnection</span> <span class="cm-operator">=</span> <span class="cm-variable">url</span>.<span class="cm-variable">openConnection</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable">HttpURLConnection</span> <span class="cm-variable">httpUrlConnection</span> <span class="cm-operator">=</span> (<span class="cm-variable">HttpURLConnection</span>) <span class="cm-variable">rulConnection</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable">httpUrlConnection</span>.<span class="cm-variable">setRequestMethod</span>(<span class="cm-variable">requestLine</span>.<span class="cm-variable">method</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable">httpUrlConnection</span>.<span class="cm-variable">connect</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable">InputStream</span> <span class="cm-variable">inputStream</span> <span class="cm-operator">=</span> <span class="cm-variable">httpUrlConnection</span>.<span class="cm-variable">getInputStream</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable">BufferedReader</span> <span class="cm-variable">bufferedReader</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">BufferedReader</span>(<span class="cm-keyword">new</span> <span class="cm-variable">InputStreamReader</span>(<span class="cm-variable">inputStream</span>));</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable-3">StringBuilder</span> <span class="cm-variable">stringBuilder</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable-3">StringBuilder</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-variable-3">String</span> <span class="cm-variable">newLine</span> <span class="cm-operator">=</span> <span class="cm-atom">null</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-keyword">while</span> ((<span class="cm-variable">newLine</span> <span class="cm-operator">=</span> <span class="cm-variable">bufferedReader</span>.<span class="cm-variable">readLine</span>()) <span class="cm-operator">!=</span> <span class="cm-atom">null</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                    <span class="cm-variable">stringBuilder</span>.<span class="cm-variable">append</span>(<span class="cm-variable">newLine</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-keyword">return</span> <span class="cm-variable">stringBuilder</span>.<span class="cm-variable">toString</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">           }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">       });</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 1232px;"></div><div class="CodeMirror-gutters" style="display: none; height: 1232px;"></div></div></div></pre><h3><a name='header-n1017' class='md-header-anchor '></a>拉出来溜溜</h3><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">package</span> <span class="cm-def">com</span>.<span class="cm-variable">zby</span>;</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">com</span>.<span class="cm-variable">zby</span>.<span class="cm-variable">proxy</span>.<span class="cm-variable">HttpProxyFactory</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">com</span>.<span class="cm-variable">zby</span>.<span class="cm-variable">proxy</span>.<span class="cm-variable">HttpURLConnectionProxyFactory</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">com</span>.<span class="cm-variable">zby</span>.<span class="cm-variable">service</span>.<span class="cm-variable">BaiduClient</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @author zby</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @title HttpProxyDemo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @date 2020年6月16日</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @description</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">class</span> <span class="cm-def">HttpProxyDemo</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">public</span> <span class="cm-keyword">static</span> <span class="cm-variable-3">void</span> <span class="cm-variable">main</span>(<span class="cm-variable-3">String</span>[] <span class="cm-variable">args</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">HttpProxyFactory</span> <span class="cm-variable">httpProxyFactory</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">HttpURLConnectionProxyFactory</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">BaiduClient</span> <span class="cm-variable">baiduClient</span> <span class="cm-operator">=</span> <span class="cm-variable">httpProxyFactory</span>.<span class="cm-variable">getProxy</span>(<span class="cm-variable">BaiduClient</span>.<span class="cm-keyword">class</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">System</span>.<span class="cm-variable">out</span>.<span class="cm-variable">println</span>(<span class="cm-variable">baiduClient</span>.<span class="cm-variable">index</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 484px;"></div><div class="CodeMirror-gutters" style="display: none; height: 484px;"></div></div></div></pre><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="console"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="console"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation"><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><!DOCTYPE html><html> <head><meta http-equiv=content-type content=text/html;charset=utf-8><meta http-equiv=X-UA-Compatible content=IE=Edge><meta content=always name=referrer><link rel=stylesheet type=text/css href=http://s1.bdstatic.com/r/www/cache/bdorz/baidu.min.css><title>百度一下，你就知道</title></head> <body link=#0000cc> <div id=wrapper> <div id=head> <div class="head_wrapper"> <div class="s_form"> <div class="s_form_wrapper"> <div id=lg> <img hidefocus=true src=//www.baidu.com/img/bd_logo1.png width=270 height=129> </div> <form id=form name=f action=//www.baidu.com/s class="fm"> <input type=hidden name=bdorz_come value=1> <input type=hidden name=ie value=utf-8> <input type=hidden name=f value=8> <input type=hidden name=rsv_bp value=1> <input type=hidden name=rsv_idx value=1> <input type=hidden name=tn value=baidu><span class="bg s_ipt_wr"><input id=kw name=wd class="s_ipt" value maxlength=255 autocomplete=off autofocus></span><span class="bg s_btn_wr"><input type=submit id=su value=百度一下 class="bg s_btn"></span> </form> </div> </div> <div id=u1> <a href=http://news.baidu.com name=tj_trnews class="mnav">新闻</a> <a href=http://www.hao123.com name=tj_trhao123 class="mnav">hao123</a> <a href=http://map.baidu.com name=tj_trmap class="mnav">地图</a> <a href=http://v.baidu.com name=tj_trvideo class="mnav">视频</a> <a href=http://tieba.baidu.com name=tj_trtieba class="mnav">贴吧</a> <noscript> <a 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'></a>面向接口的好处</h3><ul><li>新增第三方不再是增加方法，而是增加接口</li><li>面向接口编程而不是面向方法编程</li><li>无需每次自己处理请求响应</li><li>随时更换具体实现HttpURLConnectionProxyFactory而不影响原有代码</li></ul><h3><a name='header-n1030' class='md-header-anchor '></a>不要重复造轮子？</h3><ul><li>NO！是不要重复造低级轮子。</li><li>如果你的轮子比别人好，那么还是可以尝试一下干掉别人的轮子。</li><li>比如SpringMVC干掉了Strust，Mybatis干掉了Hibernate</li></ul><h2><a name='header-n1038' class='md-header-anchor '></a>优化</h2><ul><li>架构设计</li><li>插件式设计</li><li>客户端抽象</li><li>编解码抽象</li><li>注解支持</li><li>重试支持</li><li>第三方适配</li><li>Spring整合</li><li>SpringMVC注解支持</li><li>负载均衡支持</li><li>等等等等</li></ul><h2><a name='header-n1060' class='md-header-anchor '></a>轮子篇-Feign</h2><ul><li><a href='https://github.com/OpenFeign/feign'>Feign github地址</a></li><li>Feign makes writing java http clients easier</li><li>简单来说，就是一个基于接口的HTTP代理生成器</li></ul><h3><a name='header-n1068' class='md-header-anchor '></a>先睹为快</h3><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-operator"><</span><span class="cm-variable">dependency</span><span class="cm-operator">></span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-operator"><</span><span class="cm-variable">groupId</span><span class="cm-operator">></span><span class="cm-variable">io</span>.<span class="cm-variable">github</span>.<span class="cm-variable">openfeign</span><span class="cm-operator"></</span><span class="cm-variable">groupId</span><span class="cm-operator">></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-operator"><</span><span class="cm-variable">artifactId</span><span class="cm-operator">></span><span class="cm-variable">feign</span><span class="cm-operator">-</span><span class="cm-variable">core</span><span class="cm-operator"></</span><span class="cm-variable">artifactId</span><span class="cm-operator">></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-operator"><</span><span class="cm-variable">version</span><span class="cm-operator">></span><span class="cm-number">10.2</span>.<span class="cm-number">0</span><span class="cm-operator"></</span><span class="cm-variable">version</span><span class="cm-operator">></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-operator"></</span><span class="cm-variable">dependency</span><span class="cm-operator">></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 110px;"></div><div class="CodeMirror-gutters" style="display: none; height: 110px;"></div></div></div></pre><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">package</span> <span class="cm-def">com</span>.<span class="cm-variable">zby</span>.<span class="cm-variable">feign</span>;</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">feign</span>.<span class="cm-variable">Feign</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">feign</span>.<span class="cm-variable">Logger</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">feign</span>.<span class="cm-variable">Logger</span>.<span class="cm-variable">ErrorLogger</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">feign</span>.<span class="cm-variable">RequestLine</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">class</span> <span class="cm-def">FeignMain</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">public</span> <span class="cm-keyword">static</span> <span class="cm-variable-3">void</span> <span class="cm-variable">main</span>(<span class="cm-variable-3">String</span>[] <span class="cm-variable">args</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">Baidu</span> <span class="cm-variable">baidu</span> <span class="cm-operator">=</span> <span class="cm-variable">Feign</span>.<span class="cm-variable">builder</span>()</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">logger</span>(<span class="cm-keyword">new</span> <span class="cm-variable">ErrorLogger</span>())</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">logLevel</span>(<span class="cm-variable">Logger</span>.<span class="cm-variable">Level</span>.<span class="cm-variable">FULL</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">target</span>(<span class="cm-variable">Baidu</span>.<span class="cm-keyword">class</span>, <span class="cm-string">"http://www.baidu.com"</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">System</span>.<span class="cm-variable">out</span>.<span class="cm-variable">println</span>(<span class="cm-variable">baidu</span>.<span class="cm-variable">index</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">interface</span> <span class="cm-def">Baidu</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@RequestLine</span>(<span class="cm-variable">value</span> <span class="cm-operator">=</span> <span class="cm-string">"GET /"</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-variable-3">String</span> <span class="cm-variable">index</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 594px;"></div><div class="CodeMirror-gutters" style="display: none; height: 594px;"></div></div></div></pre><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="console" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="console"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">[Baidu#index] ---> GET http://www.baidu.com/ HTTP/1.1</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">[Baidu#index] ---> END HTTP (0-byte body)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">[Baidu#index] <--- HTTP/1.1 200 OK (168ms)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">[Baidu#index] content-length: 2381</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">[Baidu#index] content-type: text/html</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">[Baidu#index] date: Tue, 16 Jun 2020 06:50:21 GMT</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">[Baidu#index] server: bfe</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">[Baidu#index] </span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">[Baidu#index] 【省略内容。。。。。。】</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">[Baidu#index] <--- END HTTP (2381-byte body)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">【省略内容。。。。。。】</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 308px;"></div><div class="CodeMirror-gutters" style="display: none; height: 308px;"></div></div></div></pre><h3><a name='header-n1072' class='md-header-anchor '></a>插件式设计</h3><ul><li>默认使用HttpURLConnection作为HTTP客户端，如果需要修改为HttpClient需要干啥？</li></ul><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-operator"><</span><span class="cm-variable">dependency</span><span class="cm-operator">></span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-operator"><</span><span class="cm-variable">groupId</span><span class="cm-operator">></span><span class="cm-variable">io</span>.<span class="cm-variable">github</span>.<span class="cm-variable">openfeign</span><span class="cm-operator"></</span><span class="cm-variable">groupId</span><span class="cm-operator">></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-operator"><</span><span class="cm-variable">artifactId</span><span class="cm-operator">></span><span class="cm-variable">feign</span><span class="cm-operator">-</span><span class="cm-variable">httpclient</span><span class="cm-operator"></</span><span class="cm-variable">artifactId</span><span class="cm-operator">></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-operator"><</span><span class="cm-variable">version</span><span class="cm-operator">></span><span class="cm-number">10.2</span>.<span class="cm-number">0</span><span class="cm-operator"></</span><span class="cm-variable">version</span><span class="cm-operator">></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-operator"></</span><span class="cm-variable">dependency</span><span class="cm-operator">></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 110px;"></div><div class="CodeMirror-gutters" style="display: none; height: 110px;"></div></div></div></pre><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">package</span> <span class="cm-def">com</span>.<span class="cm-variable">zby</span>.<span class="cm-variable">feign</span>;</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">feign</span>.<span class="cm-variable">Feign</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">feign</span>.<span class="cm-variable">Logger</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">feign</span>.<span class="cm-variable">Logger</span>.<span class="cm-variable">ErrorLogger</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">feign</span>.<span class="cm-variable">RequestLine</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">import</span> <span class="cm-variable">feign</span>.<span class="cm-variable">httpclient</span>.<span class="cm-variable">ApacheHttpClient</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">class</span> <span class="cm-def">FeignMain</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">public</span> <span class="cm-keyword">static</span> <span class="cm-variable-3">void</span> <span class="cm-variable">main</span>(<span class="cm-variable-3">String</span>[] <span class="cm-variable">args</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">Baidu</span> <span class="cm-variable">baidu</span> <span class="cm-operator">=</span> <span class="cm-variable">Feign</span>.<span class="cm-variable">builder</span>()</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">logger</span>(<span class="cm-keyword">new</span> <span class="cm-variable">ErrorLogger</span>())</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">logLevel</span>(<span class="cm-variable">Logger</span>.<span class="cm-variable">Level</span>.<span class="cm-variable">FULL</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">client</span>(<span class="cm-keyword">new</span> <span class="cm-variable">ApacheHttpClient</span>())</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">target</span>(<span class="cm-variable">Baidu</span>.<span class="cm-keyword">class</span>, <span class="cm-string">"http://www.baidu.com"</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">System</span>.<span class="cm-variable">out</span>.<span class="cm-variable">println</span>(<span class="cm-variable">baidu</span>.<span class="cm-variable">index</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">interface</span> <span class="cm-def">Baidu</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@RequestLine</span>(<span class="cm-variable">value</span> <span class="cm-operator">=</span> <span class="cm-string">"GET /"</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-variable-3">String</span> <span class="cm-variable">index</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 638px;"></div><div class="CodeMirror-gutters" style="display: none; height: 638px;"></div></div></div></pre><ul><li>So Easy</li></ul><h3><a name='header-n1081' class='md-header-anchor '></a>其他组件</h3><ul><li>feign.Feign.Builder</li></ul><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-keyword">final</span> <span class="cm-variable">List</span><span class="cm-operator"><</span><span class="cm-variable">RequestInterceptor</span><span class="cm-operator">></span> <span class="cm-variable">requestInterceptors</span> <span class="cm-operator">=</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">new</span> <span class="cm-variable">ArrayList</span><span class="cm-operator"><</span><span class="cm-variable">RequestInterceptor</span><span class="cm-operator">></span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">Logger</span>.<span class="cm-variable">Level</span> <span class="cm-variable">logLevel</span> <span class="cm-operator">=</span> <span class="cm-variable">Logger</span>.<span class="cm-variable">Level</span>.<span class="cm-variable">NONE</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">Contract</span> <span class="cm-variable">contract</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">Contract</span>.<span class="cm-variable">Default</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">Client</span> <span class="cm-variable">client</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">Client</span>.<span class="cm-variable">Default</span>(<span class="cm-atom">null</span>, <span class="cm-atom">null</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">Retryer</span> <span class="cm-variable">retryer</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">Retryer</span>.<span class="cm-variable">Default</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">Logger</span> <span class="cm-variable">logger</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">NoOpLogger</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">Encoder</span> <span class="cm-variable">encoder</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">Encoder</span>.<span class="cm-variable">Default</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">Decoder</span> <span class="cm-variable">decoder</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">Decoder</span>.<span class="cm-variable">Default</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">QueryMapEncoder</span> <span class="cm-variable">queryMapEncoder</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">QueryMapEncoder</span>.<span class="cm-variable">Default</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">ErrorDecoder</span> <span class="cm-variable">errorDecoder</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">ErrorDecoder</span>.<span class="cm-variable">Default</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">Options</span> <span class="cm-variable">options</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">Options</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">InvocationHandlerFactory</span> <span class="cm-variable">invocationHandlerFactory</span> <span class="cm-operator">=</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">new</span> <span class="cm-variable">InvocationHandlerFactory</span>.<span class="cm-variable">Default</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable-3">boolean</span> <span class="cm-variable">decode404</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable-3">boolean</span> <span class="cm-variable">closeAfterDecode</span> <span class="cm-operator">=</span> <span class="cm-atom">true</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">ExceptionPropagationPolicy</span> <span class="cm-variable">propagationPolicy</span> <span class="cm-operator">=</span> <span class="cm-variable">NONE</span>;</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 374px;"></div><div class="CodeMirror-gutters" style="display: none; height: 374px;"></div></div></div></pre><h3><a name='header-n1086' class='md-header-anchor '></a>注解解析：契约</h3><ul><li>feign.Contract支持的注解：Body、HeaderMap、Headers、Param、QueryMap、RequestLine</li><li>实现feign.Contract定制属于你自己的契约</li><li>集成SpringMvc注解：org.springframework.cloud.openfeign.support.SpringMvcContract</li><li>官方只有Spring4的：<a href='https://github.com/OpenFeign/feign/blob/feign-11/spring4/src/main/java/feign/spring/SpringContract.java' target='_blank' class='url'>https://github.com/OpenFeign/feign/blob/feign-11/spring4/src/main/java/feign/spring/SpringContract.java</a></li><li>Spring-cloud-openfeign-core:org.springframework.cloud.openfeign.support.SpringMvcContract</li></ul><h2><a name='header-n1098' class='md-header-anchor '></a>实战篇-对接GIO</h2><h3><a name='header-n1099' class='md-header-anchor '></a>一、定义接口</h3><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment">/**</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* 获取事件分析数据，文档地址：</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* https://docs.growingio.com/docs/developer-manual/api-reference/statistics-api/definition/getevent</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @author zby</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @Date 2020年4月20日</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">interface</span> <span class="cm-def">EventAnalysisClient</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 获取事件分析数据</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param projectUid 项目ID</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param chartId 图表ID</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param eventAnalysisRequest 参数</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @return</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@RequestLine</span>(<span class="cm-string">"GET /v2/projects/{project_uid}/charts/{chart_id}.json"</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-variable">EventAnalysisResponse</span> <span class="cm-variable">getEvent</span>(<span class="cm-meta">@Param</span>(<span class="cm-string">"project_uid"</span>) <span class="cm-variable-3">String</span> <span class="cm-variable">projectUid</span>, <span class="cm-meta">@Param</span>(<span class="cm-string">"chart_id"</span>) <span class="cm-variable-3">String</span> <span class="cm-variable">chartId</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-meta">@QueryMap</span> <span class="cm-variable">EventAnalysisRequest</span> <span class="cm-variable">eventAnalysisRequest</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 550px;"></div><div class="CodeMirror-gutters" style="display: none; height: 550px;"></div></div></div></pre><h3><a name='header-n1101' class='md-header-anchor '></a>二、Feign抽象配置</h3><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment">/**</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* GIOFeign抽象配置</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @author zby</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @Date 2020年4月21日</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">class</span> <span class="cm-def">AbstractGIOFeignConfiguration</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* GIO官网地址</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@Value</span>(<span class="cm-string">"${gio.url}"</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable-3">String</span> <span class="cm-variable">gioUrl</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 认证信息</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@Value</span>(<span class="cm-string">"${gio.authorization}"</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable-3">String</span> <span class="cm-variable">authorization</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 创建Feign代理对象</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @param clazz</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @return</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">protected</span> <span class="cm-operator"><</span><span class="cm-variable">T</span><span class="cm-operator">></span> <span class="cm-variable">T</span> <span class="cm-variable">newInstance</span>(<span class="cm-variable">Class</span><span class="cm-operator"><</span><span class="cm-variable">T</span><span class="cm-operator">></span> <span class="cm-variable">clazz</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">return</span> <span class="cm-variable">feign</span>().<span class="cm-variable">newInstance</span>(<span class="cm-keyword">new</span> <span class="cm-variable">Target</span>.<span class="cm-variable">HardCodedTarget</span><span class="cm-operator"><</span><span class="cm-variable">T</span><span class="cm-operator">></span>(<span class="cm-variable">clazz</span>, <span class="cm-variable">gioUrl</span>));</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 公用的Feign对象</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @return</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@SuppressWarnings</span>(<span class="cm-string">"deprecation"</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">Feign</span> <span class="cm-variable">feign</span>() {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">return</span> <span class="cm-variable">Feign</span>.<span class="cm-variable">builder</span>()</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">logger</span>(<span class="cm-keyword">new</span> <span class="cm-variable">Slf4jLogger</span>())</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">logLevel</span>(<span class="cm-variable">Level</span>.<span class="cm-variable">BASIC</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">encoder</span>(<span class="cm-keyword">new</span> <span class="cm-variable">JacksonEncoder</span>())</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">decoder</span>(<span class="cm-keyword">new</span> <span class="cm-variable">JacksonDecoder</span>())</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">requestInterceptor</span>(<span class="cm-keyword">new</span> <span class="cm-variable">AuthorizationInterceptor</span>())</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                <span class="cm-comment">// 处理null</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">queryMapEncoder</span>(<span class="cm-keyword">new</span> <span class="cm-variable">QueryMapEncoder</span>.<span class="cm-variable">Default</span>() {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                    <span class="cm-meta">@Override</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                    <span class="cm-keyword">public</span> <span class="cm-variable">Map</span><span class="cm-operator"><</span><span class="cm-variable-3">String</span>, <span class="cm-variable-3">Object</span><span class="cm-operator">></span> <span class="cm-variable">encode</span>(<span class="cm-variable-3">Object</span> <span class="cm-variable">object</span>) <span class="cm-keyword">throws</span> <span class="cm-variable">EncodeException</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                        <span class="cm-keyword">if</span> (<span class="cm-variable">object</span> <span class="cm-operator">==</span> <span class="cm-atom">null</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                            <span class="cm-keyword">return</span> <span class="cm-keyword">new</span> <span class="cm-variable">HashMap</span><span class="cm-operator"><</span><span class="cm-variable-3">String</span>, <span class="cm-variable-3">Object</span><span class="cm-operator">></span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                       }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                        <span class="cm-keyword">return</span> <span class="cm-keyword">super</span>.<span class="cm-variable">encode</span>(<span class="cm-variable">object</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               })</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">               .<span class="cm-variable">build</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* GIO认证信息拦截器</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @author zby</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @Date 2020年4月20日</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">class</span> <span class="cm-def">AuthorizationInterceptor</span> <span class="cm-keyword">implements</span> <span class="cm-variable">RequestInterceptor</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-meta">@Override</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">public</span> <span class="cm-variable-3">void</span> <span class="cm-variable">apply</span>(<span class="cm-variable">RequestTemplate</span> <span class="cm-variable">template</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-variable">template</span>.<span class="cm-variable">header</span>(<span class="cm-string">"Authorization"</span>, <span class="cm-variable">authorization</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">       }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 1584px;"></div><div class="CodeMirror-gutters" style="display: none; height: 1584px;"></div></div></div></pre><h3><a name='header-n1103' class='md-header-anchor '></a>三、注入IOC容器</h3><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment">/**</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* GIO的feig客户端配置类</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @author zby</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @Date 2020年4月21日</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">@Configuration</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">class</span> <span class="cm-def">GIOFeignConfiguration</span> <span class="cm-keyword">extends</span> <span class="cm-variable">AbstractGIOFeignConfiguration</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 创建事件分析Feign客户端，代优化：定义注解FeignClient直接扫描创建实例放到spring容器</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @return</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@Bean</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">public</span> <span class="cm-variable">EventAnalysisClient</span> <span class="cm-variable">eventAnalysisClient</span>() {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">return</span> <span class="cm-variable">newInstance</span>(<span class="cm-variable">EventAnalysisClient</span>.<span class="cm-keyword">class</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 484px;"></div><div class="CodeMirror-gutters" style="display: none; height: 484px;"></div></div></div></pre><h3><a name='header-n1105' class='md-header-anchor '></a>四、使用</h3><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment">/**</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* 事件分析GIO客户端实现</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @author zby</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @Date 2020年4月21日</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">@Service</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">class</span> <span class="cm-def">EventAnalysisGIOClientImpl</span> <span class="cm-keyword">implements</span> <span class="cm-variable">EventAnalysisGIOClient</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-keyword">static</span> <span class="cm-keyword">final</span> <span class="cm-variable">Logger</span> <span class="cm-variable">LOGGER</span> <span class="cm-operator">=</span> <span class="cm-variable">LoggerFactory</span>.<span class="cm-variable">getLogger</span>(<span class="cm-variable">EventAnalysisGIOClientImpl</span>.<span class="cm-keyword">class</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@Autowired</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">private</span> <span class="cm-variable">EventAnalysisClient</span> <span class="cm-variable">eventAnalysisClient</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@Override</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">public</span> <span class="cm-variable">List</span><span class="cm-operator"><</span><span class="cm-variable">NewsListEventAnalysisDto</span><span class="cm-operator">></span> <span class="cm-variable">getNewsListData</span>(<span class="cm-variable">EventAnalysisRequest</span> <span class="cm-variable">eventAnalysisRequest</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-variable">List</span><span class="cm-operator"><</span><span class="cm-variable">NewsListEventAnalysisDto</span><span class="cm-operator">></span> <span class="cm-variable">list</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">try</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-variable">LOGGER</span>.<span class="cm-variable">info</span>(<span class="cm-string">"获取GIO新闻列表数据参数：eventAnalysisRequest={}"</span>, <span class="cm-variable">eventAnalysisRequest</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-variable">EventAnalysisResponse</span> <span class="cm-variable">eventAnalysisResponse</span> <span class="cm-operator">=</span> <span class="cm-variable">eventAnalysisClient</span>.<span class="cm-variable">getEvent</span>(<span class="cm-variable">GIOConstant</span>.<span class="cm-variable">PROJECT_UID</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                    <span class="cm-variable">EventAnalysisConstant</span>.<span class="cm-variable">CHART_ID_NEWS_LIST</span>, <span class="cm-variable">eventAnalysisRequest</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-variable">LOGGER</span>.<span class="cm-variable">info</span>(<span class="cm-string">"获取GIO新闻列表数据结果：{}"</span>, <span class="cm-variable">eventAnalysisResponse</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-variable">list</span> <span class="cm-operator">=</span> <span class="cm-variable">EventAnalysisUtil</span>.<span class="cm-variable">parse</span>(<span class="cm-variable">eventAnalysisResponse</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">                    <span class="cm-keyword">new</span> <span class="cm-variable">AbstractGIOFieldObjectFactory</span><span class="cm-operator"><</span><span class="cm-variable">NewsListEventAnalysisDto</span><span class="cm-operator">></span>() {});</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">       } <span class="cm-keyword">catch</span> (<span class="cm-variable">Exception</span> <span class="cm-variable">e</span>) {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-variable">LOGGER</span>.<span class="cm-variable">error</span>(<span class="cm-variable-3">String</span>.<span class="cm-variable">format</span>(<span class="cm-string">"获取GIO新闻列表数据出错,请求参数：%s"</span>, <span class="cm-variable">eventAnalysisRequest</span>), <span class="cm-variable">e</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">            <span class="cm-keyword">return</span> <span class="cm-atom">null</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">       }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">return</span> <span class="cm-variable">list</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">   }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 814px;"></div><div class="CodeMirror-gutters" style="display: none; height: 814px;"></div></div></div></pre><h2><a name='header-n1107' class='md-header-anchor '></a>赠送篇-结果封装</h2><ul><li>GIO数据结果通用格式</li><li>基于注解、反射、工厂模式、反省、BeanWrapper等封装通用数据格式为业务对象</li></ul><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="java" style="page-break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="java"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre>x</pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment">/**</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* 事件分析响应实体</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @author zby</span></span></pre><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">* @Date 2020年4月20日</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">@Data</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">public</span> <span class="cm-keyword">class</span> <span class="cm-def">EventAnalysisResponse</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* Chart Uid</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-keyword">private</span> <span class="cm-variable-3">String</span> <span class="cm-variable">id</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* Chart Name</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-keyword">private</span> <span class="cm-variable-3">String</span> <span class="cm-variable">name</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 同参数</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-keyword">private</span> <span class="cm-variable-3">Long</span> <span class="cm-variable">startTime</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 同参数</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-keyword">private</span> <span class="cm-variable-3">Long</span> <span class="cm-variable">endTime</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 同参数</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-keyword">private</span> <span class="cm-variable-3">Long</span> <span class="cm-variable">interval</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 表格头元数据</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-keyword">private</span> <span class="cm-variable">Meta</span>[] <span class="cm-variable">meta</span>;</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 表格数据</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-keyword">private</span> <span class="cm-variable-3">String</span>[][] <span class="cm-variable">data</span>;</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* 元数据，标题列</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* </span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @author zby</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">* @Date 2020年4月21日</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">     <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-meta">@Data</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@NoArgsConstructor</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-meta">@AllArgsConstructor</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">    <span class="cm-keyword">public</span> <span class="cm-keyword">static</span> <span class="cm-keyword">class</span> <span class="cm-def">Meta</span> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">         <span class="cm-comment">* 名称</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">         <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-keyword">private</span> <span class="cm-variable-3">String</span> <span class="cm-variable">name</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">         <span class="cm-comment">* 方面</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">         <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-tab" role="presentation" cm-text=" "> </span><span class="cm-keyword">private</span> <span class="cm-variable-3">boolean</span> <span class="cm-variable">dimension</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-comment">/**</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">         <span class="cm-comment">* 统计数据</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">         <span class="cm-comment">*/</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">        <span class="cm-keyword">private</span> <span class="cm-variable-3">boolean</span> <span class="cm-variable">metric</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text=" "> </span>}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom-width: 0px; border-bottom-style: solid; border-bottom-color: transparent; top: 1386px;"></div><div class="CodeMirror-gutters" style="display: none; height: 1386px;"></div></div></div></pre><p> </p><h2><a name='header-n1115' class='md-header-anchor '></a>Q&A</h2></div>
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标签：Feign,gt,HTTP,color,inherit,优雅,lt,nbsp,0px
来源： https://www.cnblogs.com/zby9527/p/13141346.html

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如何通过HTTP优雅调用第三方-Feign