SpringBoot使用Aspect切面拦截打印请求参数的示例代码

<dependency>

             <groupId>org.springframework.boot</groupId>

             <artifactId>spring-boot-starter-aop</artifactId>

         </dependency>

<!-- 添加fastjson 支持 -->

         <dependency>

             <groupId>com.alibaba</groupId>

             <artifactId>fastjson</artifactId>

             <version> 1.2 . 15 </version>

         </dependency>

import com.alibaba.fastjson.JSON;

import lombok.extern.slf4j.Slf4j;

import org.aspectj.lang.ProceedingJoinPoint;

import org.aspectj.lang.Signature;

import org.aspectj.lang.annotation.Around;

import org.aspectj.lang.annotation.Aspect;

import org.aspectj.lang.reflect.MethodSignature;

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.lang.reflect.Method;

/**

  * @author zhipeih

  * @date 2021/07/14

  */

@Slf4j

@Component

@Aspect   //表示它是一个切面

public class LogAspect {

     /**

      *

      *  execution：改成自己要打印的控制器路径

      * @param proceedingJoinPoint

      * @return

      * @throws Throwable

      */

     @Around ( "execution(* com.example.*.controller.*.*(..)) " )

     public Object handleControllerMethod(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {

         //原始的HTTP请求和响应的信息

         ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();

         HttpServletRequest request = attributes.getRequest();

         Signature signature = proceedingJoinPoint.getSignature();

         MethodSignature methodSignature = (MethodSignature)signature;

         //获取当前执行的方法

         Method targetMethod = methodSignature.getMethod();

         //获取参数

         Object[] objects = proceedingJoinPoint.getArgs();

         //获取返回对象

         Object object = proceedingJoinPoint.proceed();

         StringBuilder sb = new StringBuilder( 1000 );

         sb.append( "-------------------------------------------------------------\n" );

         sb.append( "Controller: " ).append(targetMethod.getDeclaringClass().getName()).append( "\n" );

         sb.append( "Method    : " ).append(targetMethod.getName()).append( "\n" );

         sb.append( "Params    : " ).append(JSON.toJSONString(objects)).append( "\n" );

         sb.append( "URI       : " ).append(request.getRequestURI()).append( "\n" );

         sb.append( "URL       : " ).append(request.getRequestURL()).append( "\n" );

         sb.append( "Return    : " ).append(object).append( "\n" );

         sb.append( "-------------------------------------------------------------\n" );

         System.out.println(sb);

         return proceedingJoinPoint.proceed();

     }

}