springboot日志切面通用类实例详解

1.pom.xml文件导入AOP依赖

<!--aop依赖-->
<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-aop</artifactId>
  <version>2.3.0.RELEASE</version>
</dependency>

2.pom.xml导入Lombok依赖

<!--Lombok依赖-->
<dependency>
  <groupId>org.projectlombok</groupId>
  <artifactId>lombok</artifactId>
  <optional>true</optional>
</dependency>

package jmu.rjc.aspect;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import javax.servlet.http.HttpServletRequest;

//日志切面
@Aspect
@Component
public class LogAspect {

  private final Logger logger = LoggerFactory.getLogger(this.getClass());

	//包名配置为自己的项目包名即可
  @Pointcut("execution(* jmu.rjc.web.*.*(..))")
  public void log(){}

  @Before("log()")
  public void doBefore(JoinPoint joinPoint){
    ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
    HttpServletRequest request = attributes.getRequest();
    String url = request.getRequestURL().toString();
    String ip = request.getRemoteAddr();
    String classMethod = joinPoint.getSignature().getDeclaringTypeName()+"."+joinPoint.getSignature().getName();
    Object[] args = joinPoint.getArgs();
    RequestLog requestLog = new RequestLog(url,ip,classMethod,args);
    logger.info("Request : {}",requestLog);
  }

  @After("log()")
  public void doAfter(){
    logger.info("---------doAfter-------");
  }

  @AfterReturning(returning = "result",pointcut = "log()")
  public void doAfterReturn(Object result){
    logger.info("Result : {}"+result);
  }

  @Data
  @ToString
  @AllArgsConstructor
  @NoArgsConstructor
  private class RequestLog{
    private String url;
    private String ip;
    private String classMethod;
    private Object[] args;
  }

}

3.关于Lombok的注意点

Lombok的使用大大简化了开发过程,提高了开发效率,但是也存在一些隐患.比如强行侵入jar包,JDK版本升级冲突,破坏部分封装性等缺陷,使用前最好和团队商量好

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