package org.guangsoft.utils;

 import java.util.Date;

 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.springframework.stereotype.Component;

 /***

  * 定义用户的切面类

  * ***/

 @Component

 @Aspect

 public class UsersAdvice

 {

     // 前置的通知

     @Before("execution(* com.bjsxt.service.impl.*.*(..))")

     public void before()

     {

         System.out.println("before-------------" + new Date());

     }

     // 后置通知

     // @After("execution(* com.bjsxt.service.impl.*.*(..))")

     @AfterReturning(pointcut = "execution(* com.bjsxt.service.impl.*.*(..))", returning = "rv")

     public void after(Object rv)

     {

         System.out.println("after-------------" + new Date() + "--------------"

                 + rv);

     }

     /****

      * 环绕通知

      * **/

     @Around("execution(* com.bjsxt.service.impl.*.*(..))")

     public void around(ProceedingJoinPoint jp)

     {

         System.out.println("aroun.---------before-------------" + new Date());

         try

         {

             jp.proceed();// 调用目标方法

         }

         catch (Throwable e)

         {

             e.printStackTrace();

         } // 调用目标方法

         System.out.println("around---------after--------------" + new Date());

     }

     /***

      * 异常通知

      * **/

     @AfterThrowing(pointcut = "execution(* com.bjsxt.service.impl.*.*(..))", throwing = "ex")

     public void exception(Throwable ex)

     {

         System.out.println("exception-------------------" + ex.getMessage());

     }

 }

 <?xml version="1.0" encoding="UTF-8"?>

 <!-- 到入xml文件的约束 -->

 <beans

     xmlns="http://www.springframework.org/schema/beans"

     xmlns:context="http://www.springframework.org/schema/context"

     xmlns:aop="http://www.springframework.org/schema/aop"

     xmlns:p="http://www.springframework.org/schema/p"

     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

     xsi:schemaLocation="http://www.springframework.org/schema/beans

      http://www.springframework.org/schema/beans/spring-beans-4.1.xsd

      http://www.springframework.org/schema/aop

      http://www.springframework.org/schema/aop/spring-aop-4.1.xsd

      http://www.springframework.org/schema/context

      http://www.springframework.org/schema/context/spring-context-4.1.xsd

      ">

     <!-- 开启扫描注解 -->

     <context:component-scan

         base-package="org.guangsoft.service.impl,org.guangsoft.utils">

     </context:component-scan>

     <!-- 开启切面的自动代理 -->

     <aop:aspectj-autoproxy></aop:aspectj-autoproxy>

 </beans>