3.7.1、相同的切入点抽取

package com.wzy.aspect;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;
//增强的类
@Component
@Aspect
public class UserProxy {
        //抽取公共部分
    @Pointcut(value = "execution(* com.wzy.aspect.User.user(..))")
    public void pointdemo() {
    }
    //前置通知
    //@Before 注解表示作为前置通知
    @Before(value = "pointdemo()")
    public void before() {
        System.out.println("1、before.........");
    }
    //后置通知（返回通知）
    @AfterReturning(value = "pointdemo()")
    public void afterReturning() {
        System.out.println("2、afterReturning.........在方法返回值后执行");
    }
    //最终通知
    @After(value = "pointdemo()")
    public void after() {
        System.out.println("3、after.........在方法后执行");
    }
    //异常通知
    @AfterThrowing(value = "pointdemo()")
    public void afterThrowing() {
        System.out.println("4、afterThrowing.........");
    }
    //环绕通知
    @Around(value = "pointdemo()")
    public void around(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
        System.out.println("环绕之前.........");
        //被增强的方法执行
        Object proceed = proceedingJoinPoint.proceed();
        System.out.println("环绕之后.........");
    }
}