标签:自定义 流控 URL spring adapter public 限流 sentinel response
Sentinel version 1.8.0 (which not exists WebCallbackManager
or UrlBlockHandler
)
✅ correct demonstation
pom.xml import
<dependency>
<groupId>com.alibaba.csp</groupId>
<artifactId>sentinel-spring-webmvc-adapter</artifactId>
<version>x.y.z</version>
</dependency>
override interface
/**
* 秒杀限流异常处理程序
*
* @author Miozus
* @date 2022/03/30
*/
@Configuration
public class SeckillBlockExceptionHandler implements BlockExceptionHandler {
@Override
public void handle(HttpServletRequest request, HttpServletResponse response, BlockException e) throws Exception {
R error = R.error(BizCodeEnum.TOO_MANY_REQUESTS);
response.setHeader("Content-Type", "application/json;charset=UTF-8");
response.getWriter().write(JSONUtil.toJsonStr(error));
}
}
response:
{"msg":"请求流量过大","code":10003}
❌ incorrected demonstration
addInterceptors
Not Exists field cause of SentinelWebMvcConfig does not exist blockExceptionHandler
which belongs to its father Object (BaseWebMvcConfig).
public class SentinelWebMvcConfig extends BaseWebMvcConfig {
public static final String DEFAULT_REQUEST_ATTRIBUTE_NAME = "$$sentinel_spring_web_entry_attr";
/**
* Specify the URL cleaner that unifies the URL resources.
*/
private UrlCleaner urlCleaner;
/**
* Specify whether the URL resource name should contain the HTTP method prefix (e.g. {@code POST:}).
*/
private boolean httpMethodSpecify;
/**
* Specify whether unify web context(i.e. use the default context name), and is true by default.
*
* @since 1.7.2
*/
private boolean webContextUnify = true;
//...
The offical document I have read , it is helpful for testing but not accuracy.
The
UrlBlockHandler
was not changed. If you're usingsentinel-spring-webmvc-adapter
, you may refer to: https://github.com/alibaba/Sentinel/tree/master/sentinel-adapter/sentinel-spring-webmvc-adapter
标签:自定义,流控,URL,spring,adapter,public,限流,sentinel,response 来源: https://www.cnblogs.com/miozus/p/16076417.html
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