问题
因为最近这个项目没有调用链监控系统的支持,但是,本地PostMan调试的时候又需要请求头才能正常调试。
思路
喊ChatGPT实现一下能够打印所有请求头的拦截器,然后,集成到已有代码即可。
解决
RequestHeaderInterceptor.java
package cn.xxxx.interceptor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Enumeration;
/**
* 打印接受到的所有请求头
* @author zhangyalin
*/
@Slf4j
@Component
public class RequestHeaderInterceptor implements HandlerInterceptor {
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
// 获取所有请求头的名称
Enumeration<String> headerNames = request.getHeaderNames();
while (headerNames.hasMoreElements()) {
String headerName = headerNames.nextElement();
// 获取请求头的值并打印
String headerValue = request.getHeader(headerName);
log.debug(headerName + ": " + headerValue);
}
return HandlerInterceptor.super.preHandle(request, response, handler);
}
}
WebMvcConfiguration.java
在Springboot的配置类中集成上面的拦截器即可。文章来源:https://www.toymoban.com/news/detail-701834.html
package cn.xxxx.config;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import javax.annotation.Resource;
/**
* 基础配置
* @author zhangyalin
*/
@RefreshScope
@ComponentScan({"cn.xxxx", "cn.xxx.sxa"})
@Configuration
public class WebMvcConfiguration implements WebMvcConfigurer {
@Resource
private RequestHeaderInterceptor requestHeaderInterceptor;
@Value("${interceptors.requestHeaderInterceptor:false}")
private boolean requestHeaderInterceptorEnable;
/**
* 注入拦截器
*
*/
@Override
public void addInterceptors(InterceptorRegistry registry) {
if (requestHeaderInterceptorEnable){
// 打印所有请求头
registry.addInterceptor(requestHeaderInterceptor).order(Ordered.HIGHEST_PRECEDENCE).addPathPatterns("/**");
}
}
}
配置中心
logging:
level:
cn.xxxx.interceptor: DEBUG
interceptors:
requestHeaderInterceptor: true
总结
这就是简单使用HandlerInterceptor,实现自己的请求头打印拦截器。我这里配置中心,动态性还是不很完善。interceptors.requestHeaderInterceptor
配置修改后,得重启服务才能生效。文章来源地址https://www.toymoban.com/news/detail-701834.html
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