Spring boot Aop 日志注解

1.AopLog.java

package com.ptac.b2b.services.marketingcenter.business.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * @author  框架日志标识
 */
@Retention(RetentionPolicy.RUNTIME)
@Target( { ElementType.METHOD, ElementType.TYPE })
public @interface AopLog {
}

2.AopLogAspect.java

package com.ptac.b2b.services.marketingcenter.business.aop;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.*;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Arrays;

@Aspect
@Component
public class AopLogAspect {
    private static Logger logger = LoggerFactory.getLogger(AopLogAspect.class);


    /**
     * 类级别
     */
    @Pointcut("@within(com.ptac.b2b.services.marketingcenter.business.annotation.AopLog)")
    public void classCut(){

    }

    /**
     * 方法级别
     */
    @Pointcut("@annotation(com.ptac.b2b.services.marketingcenter.business.annotation.AopLog)")
    public void methodCut() {
    }

    @Pointcut("classCut() || methodCut()")
    public void pointCut(){
    }

    @Before("pointCut()")
    public void before(JoinPoint joinPoint){
        //获取目标方法的参数信息
        Object[] obj = joinPoint.getArgs();
        Signature signature = joinPoint.getSignature();
        //代理的是什么类的哪一个方法
        logger.info("类:{} 方法: {} 开始",signature.getDeclaringTypeName() ,signature.getName());

        //AOP代理类的类（class）信息
        signature.getDeclaringType();
        MethodSignature methodSignature = (MethodSignature) signature;
        String[] strings = methodSignature.getParameterNames();
        logger.info("参数名: {}" , Arrays.toString(strings));
        logger.info("参数值: {}" , Arrays.toString(joinPoint.getArgs()));
    }

    // 执行成功无异常
    @AfterReturning(pointcut = "pointCut()", returning = "returnVal")
    public void afterReturning(JoinPoint joinPoint, Object returnVal) {
        Signature signature = joinPoint.getSignature();
        logger.info("返回值: {}" , returnVal);
        logger.info("类:{} 方法: {} 结束",signature.getDeclaringTypeName() ,signature.getName());
    }

    // 执行失败抛出异常
    @AfterThrowing(pointcut = "pointCut()", throwing = "e")
    public void doAfterThrowing(JoinPoint joinPoint, Throwable e) {
        Signature signature = joinPoint.getSignature();
        logger.info("异常: {}" , getStackTrace(e));
        logger.info("类:{} 方法: {} 结束",signature.getDeclaringTypeName() ,signature.getName());
    }

    public static String getStackTrace(Throwable throwable) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw, true);
        throwable.printStackTrace(pw);
        return sw.getBuffer().toString();
    }

}