package com.anno;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;

@Component("myAspect")
@Aspect //标注切面
public class myAspect {
    @Before("execution(* *.*.*.show(..))")
    public void show1(){
        System.out.println("前置增强。。。。");
    }

    @AfterReturning("pointcut()")
    public void show2(){
        System.out.println("后置增强。。。。");
    }
    @Around("pointcut()")
    public Object show3(ProceedingJoinPoint pjp) throws Throwable {
        System.out.println("环绕前增强。。。。");
        Object proceed = pjp.proceed();//切点方法
        System.out.println("环绕后增强。。。。");
        return proceed;
    }
    @AfterThrowing("pointcut()")
    public void show4(){
        System.out.println("异常抛出增强。。。。");
    }
    @After("pointcut()")
    public void show5(){
        System.out.println("最终增强。。。。");
    }
    //指定切点
    @Pointcut("execution(* *.*.*.show(..))")
    public void pointcut(){}
}