java springboot 初体验 （六）添加统一的入参出参打印日志（使用切面）

1. java springboot 初体验 （五）对接apollo
2. https://www.cnblogs.com/zwjvzwj/p/16602858.html

1.         <!-- 切面 -->
           <dependency>
               <groupId>org.springframework.boot</groupId>
               <artifactId>spring-boot-starter-aop</artifactId>
           </dependency>

    

2.  

1. package com.zwj.zwjproject.aspect;
   
   import com.google.gson.Gson;
   import lombok.extern.slf4j.Slf4j;
   import org.aspectj.lang.JoinPoint;
   import org.aspectj.lang.ProceedingJoinPoint;
   import org.aspectj.lang.annotation.*;
   import org.springframework.stereotype.Component;
   import org.springframework.web.context.request.RequestContextHolder;
   import org.springframework.web.context.request.ServletRequestAttributes;
   import javax.servlet.http.HttpServletRequest;
   import java.util.Arrays;
   
   /**
    * @ClassName: WebLogAspect
    * @Author zhangwujie
    * @Date 2022/8/22 11:32 上午
    * @Description:
    */
   @Aspect
   @Slf4j
   @Component
   public class WebLogAspect {
   
       /** 以 controller 包下定义的所有请求为切入点 */
       @Pointcut(value = "execution(public * com.zwj.zwjproject.controller..*.*(..)))")
       public void webLog(){}
   
       /**
        * @apiNote 切点之前植入
        * @param joinPoint joinPoint
        */
       @Before("webLog()")
       public void doBefore(JoinPoint joinPoint) {
           try {
   
               // 开始打印请求日志
               ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
               assert attributes != null;
               HttpServletRequest request = attributes.getRequest();
               // 打印请求相关参数
               log.info("========================================== Start ==========================================");
   //        .concat(" -- request_id】：").concat(requestId);
               String sb = "".concat("请求 URL : ").concat(request.getRequestURL().toString())
                   .concat(" -- 请求 Method : ").concat(request.getMethod())
                   .concat(" -- 请求 query ：").concat(request.getQueryString())
                   .concat(" -- 请求 body ：").concat(Arrays.toString(joinPoint.getArgs()))
                   .concat(" -- 请求 IP ：").concat( request.getRemoteAddr())
                   .concat(" -- 请求类名：").concat(joinPoint.getSignature().getDeclaringTypeName())
                   .concat(" -- 请求方法名 ：").concat(joinPoint.getSignature().getName())
                   .concat(" -- 请求参数 ：").concat(request.getParameterMap().toString());
               log.info("Request Args   : {}", sb);
           } catch (Exception e) {
               log.info("Request Args catch error msg : {}", e.getMessage());
           }
       }
   
       /**
        * 在切点之后织入
        */
       @After("webLog()")
       public void doAfter() {
           // 每个请求之间空一行
           log.info("");
       }
       /**
        * 环绕
        * @param proceedingJoinPoint proceedingJoinPoint
        * @return Object
        * @throws Throwable Throwable
        */
       @Around("webLog()")
       public Object doAround(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
           long startTime = System.currentTimeMillis();
           Object result = proceedingJoinPoint.proceed();
           // 打印出参
           log.info("Response Args  : {}", new Gson().toJson(result));
           // 执行耗时
           log.info("Time-Consuming : {} ms", System.currentTimeMillis() - startTime);
           // 结束
           log.info("=========================================== end ===========================================");
           return result;
       }
   
   }

2.  

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