Annotation方式实现AOP

1、添加其他jar包

2、配置applicationContext.xml文件

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<?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/context            http://www.springframework.org/schema/context/spring-context-3.0.xsd            http://www.springframework.org/schema/aop            http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">     <context:annotation-config />     <context:component-scan base-package="com.fz.annotation" />     <aop:aspectj-autoproxy />       </beans>

3、编写切面类LogInterceptor.java

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package com.fz.annotation.aop;   import org.aspectj.lang.ProceedingJoinPoint; import org.aspectj.lang.annotation.AfterReturning; import org.aspectj.lang.annotation.AfterThrowing; import org.aspectj.lang.annotation.Around; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Before; import org.aspectj.lang.annotation.Pointcut; import org.springframework.stereotype.Component;   @Aspect @Component public class LogInterceptor {     @Pointcut("execution(public void com.fz.annotation.service.impl.UserServiceImpl.userAdd(com.fz.xml.entity.User))")     public void myMethod(){};           @Before("myMethod()")     public void before(){         System.out.println("方法之前执行....");     }     @AfterReturning("myMethod()")     public void afterRutting(){         System.out.println("方法正常执行之后....");     }     @AfterThrowing("myMethod()")     public void afterThrowing(){         System.out.println("方法抛出异常之后....");     }     @Around("myMethod()")     public void around(ProceedingJoinPoint pjp) throws Throwable{         System.out.println("方法执之前around......");//这里会优先于@Before先执行         pjp.proceed();//向下继续方法的执行：（包括执行其他切面的拦截，如果当中抛出异常，则不会向下继续执行）         System.out.println("方法执之后around......");//这里会在@AfterReturning执行之后执行     } }

来自为知笔记(Wiz)