AOP AspectJ注解

package com.qhong;


import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.stereotype.Component;

public class Main {
    public static void main(String[] args) {
        ApplicationContext context = new ClassPathXmlApplicationContext("beans.xml");
        Person person=(Person)context.getBean("babyPerson");
        person.eatBreakfast();
        System.out.println("===================================================");
        person.eatLunch();
        System.out.println("===================================================");
        person.eatSupper();
        System.out.println("===================================================");
        person.drink("可乐");
        System.out.println("===================================================");
   }
}

interface Person {
    public void eatBreakfast();
    public void eatLunch();
    public void eatSupper();
    public String drink(String name);
}

@Component
class BabyPerson implements Person{

    @Override
    public void eatBreakfast() {
        System.out.println("小Baby正在吃早餐");
    }

    @Override
    public void eatLunch() {
        System.out.println("小Baby正在吃午餐");
    }

    @Override
    public void eatSupper() {
        System.out.println("小Baby正在吃晚餐");
    }

    @Override
    public String drink(String name) {
        return "小Baby在喝："+name;
    }
}

@Component
@Aspect
class AdivceMethod {

    @Before("execution(* com.qhong.BabyPerson.*(..))")
    // 匹配BabyPerson类所有的方法,注意*和com之间有个空格
    public void beforeEat() {
        System.out
                .println("-------------------这里是前置增强，吃饭之前先洗小手！--------------------");
    }

    @After("execution(* eatLunch(..))")
    // 匹配该工程下所有的eatLunch方法
    public void afterEat() {
        System.out
                .println("-------------------这里是后置增强，午饭吃完要睡午觉！--------------------");
    }

    @Around("execution(* com.qhong.BabyPerson.eatSupper())")
    // 匹配该工程下BabyPerson的eatLunch方法
    public Object aroundEat(ProceedingJoinPoint pjp) throws Throwable {
        System.out
                .println("-------------------这里是环绕增强，吃晚饭前先玩一玩！-------------------");
        Object retVal = pjp.proceed();
        System.out
                .println("-------------------这里是环绕增强，晚饭吃完后要得睡觉了！-------------------");
        return retVal;
    }
    @AfterReturning(returning="rvt",pointcut="execution(* com.qhong.BabyPerson.drink(..))")
    public void log(Object rvt) {
        System.out
                .println("-------------------这里是AfterReturning增强-------------------");
        System.out.println("获取小Baby正在喝的饮料"+rvt);
        System.out.println("记录每天喝的饮料容量");

    }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="
           http://www.springframework.org/schema/beans
           http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
           http://www.springframework.org/schema/aop
           http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-3.0.xsd">

    <!-- 指定自动搜索bean组件、自动搜索切面类 -->
    <context:component-scan base-package="com.qhong"/>
    <!-- 启动@AspectJ支持 -->
    <!-- proxy-target-class默认"false",更改为"ture"使用CGLib动态代理 -->
    <aop:aspectj-autoproxy proxy-target-class="true"/>
</beans>