SpringAOP实现日志收集管理功能(步骤详解)

<dependency>

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

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

        </dependency>

        <dependency>

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

            <artifactId>spring-boot-devtools</artifactId>

            <scope>runtime</scope>

            <optional> true </optional>

        </dependency>

        <dependency>

            <groupId>org.projectlombok</groupId>

            <artifactId>lombok</artifactId>

            <optional> true </optional>

        </dependency>

        <dependency>

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

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

            <scope>test</scope>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-aop</artifactId>

            <version> 5.3 . 15 </version>

        </dependency>

        <dependency>

            <groupId>org.aspectj</groupId>

            <artifactId>aspectjweaver</artifactId>

            <version> 1.9 . 2 </version>

        </dependency>

package com.example.aop.log.annotion;

import java.lang.annotation.*;

/**

  * @author zhr_java@163测试数据

  * @date 2022/3/29 20:56

  */

@Inherited

@Target ({ElementType.METHOD})

@Retention (value = RetentionPolicy.RUNTIME)

@Documented

public @interface LogNotice {}

package com.example.aop.log.aop;

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.annotation.Pointcut;

import org.aspectj.lang.reflect.MethodSignature;

import org.springframework.core.DefaultParameterNameDiscoverer;

import org.springframework.stereotype.Component;

import java.lang.reflect.Method;

import java.util.HashMap;

import java.util.Map;

/**

  * @author zhr_java@163测试数据

  * @date 2022/3/29 20:59

  */

@Aspect

@Component

public class LogAspect {

   @Pointcut ( "@annotation(com.example.aop.log.annotion.LogNotice)" )

   public void doLog() {}

   @Around ( "doLog()" )

   public Object insertLog(ProceedingJoinPoint joinPoint) throws Throwable {

     Object object = joinPoint.proceed();

     try {

       HashMap paramsMap;

       Signature signature = joinPoint.getSignature();

       Method method = ((MethodSignature) signature).getMethod();

       String methodName = method.getName();

       String className = method.getDeclaringClass().getName();

       paramsMap = (HashMap) getParams(joinPoint, method);

       // 打印日志，可以记录到数据库的日志表里面，等到有客户反馈的时候好去查询日志

       System.out.println(

           "methodName: " + methodName + "; className: " + className + "; paramsMap:" + paramsMap);

       // 也可以记录请求当前接口耗费的时间

     } catch (Exception e) {

       // 如果在日志记录的过程中出现问题，那么要处理一下异常，不要直接抛出，此处做成消息队列通知或者打印日志

     }

     // 此处要进行返回代理的对象，如果没有返回的话，前端是收不到数据的

     return object;

   }

   private Map<String, Object> getParams(ProceedingJoinPoint joinPoint, Method method) {

     // get parameter names

     String[] parameterNames = new DefaultParameterNameDiscoverer().getParameterNames(method);

     Object[] args = joinPoint.getArgs();

     Map<String, Object> params = new HashMap<>( 8 );

     if (parameterNames != null && parameterNames.length != 0 ) {

       for ( int i = 0 ; i < parameterNames.length; i++) {

         params.put(parameterNames[i], args[i]);

       }

     return params;

}

package com.example.demo.controller;

import com.example.aop.log.annotion.LogNotice;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RestController;

/**

  * @author zhr_java@163测试数据

  * @date 2022/3/29 20:50

  */

@RestController

@RequestMapping ( "/person" )

public class PersonController {

   //在此处加上你自定义的注解（@LogNotice）

   @LogNotice

   @GetMapping ( "get_person" )

   public String getPerson(Integer numbers) {

     return "123" ;

   }

}