标签:Control Access 跨域 SimpleCORSFilter 分离 httpServletResponse ssm public setHeader
前后端分离开发需要跨域,之前只会pringboot跨域,只需要一个配置类即可,下面记录一下ssm的配置
三个文件需要添加配置
SimpleCORSFilter.java实现Filter
public class SimpleCORSFilter implements Filter {
private boolean isCross = false;
@Override
public void destroy() {
isCross = false;
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
if (isCross) {
HttpServletRequest httpServletRequest = (HttpServletRequest) request;
HttpServletResponse httpServletResponse = (HttpServletResponse) response;
System.out.println("拦截请求: " + httpServletRequest.getServletPath());
httpServletResponse.setHeader("Access-Control-Allow-Origin", "*");
httpServletResponse.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
httpServletResponse.setHeader("Access-Control-Max-Age", "0");
httpServletResponse.setHeader("Access-Control-Allow-Headers",
"Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires, Content-Type, X-E4M-With,userId,token");
httpServletResponse.setHeader("Access-Control-Allow-Credentials", "true");
httpServletResponse.setHeader("XDomainRequestAllowed", "1");
}
chain.doFilter(request, response);
}
@Override
public void init(FilterConfig filterConfig) throws ServletException {
String isCrossStr = filterConfig.getInitParameter("IsCross");
isCross = isCrossStr.equals("true") ? true : false;
System.out.println(isCrossStr);
}
dispatcher-servlet.xml(springMVC的配置文件)
<!-- 接口跨域配置-->
<mvc:cors>
<mvc:mapping path="/**"
allowed-origins="*"
allowed-methods="POST, GET, OPTIONS, DELETE, PUT"
allowed-headers="Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With"
allow-credentials="true" />
</mvc:cors>
## web.xml
<!-- 跨域请求 -->
<filter>
<filter-name>SimpleCORSFilter</filter-name>
<filter-class>com.maxcore.config.SimpleCORSFilter</filter-class>
<init-param>
<param-name>IsCross</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>SimpleCORSFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
## 完毕
标签:Control,Access,跨域,SimpleCORSFilter,分离,httpServletResponse,ssm,public,setHeader 来源: https://www.cnblogs.com/panbingwen/p/11067655.html
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