package com.xiaostudy;

 /**

  * @desc 被代理类接口

  *

  * @author xiaostudy

  *

  */

 public interface Person {

     public void add();

     public void update();

     public void delete();

 }

 package com.xiaostudy;

 /**

  * @desc 被代理类

  *

  * @author xiaostudy

  *

  */

 public class PersonImple implements Person {

     /**

      * @desc 实现接口方法

      */

     public void add() {

         System.out.println("add()>>>>>>>>");

     }

     @Override

     public void update() {

         System.out.println("update()>>>>>>>>");

 //        int i = 1/0;

     }

     @Override

     public void delete() {

         System.out.println("delete()>>>>>>>>");

     }

 }

 package com.xiaostudy;

 import org.aspectj.lang.JoinPoint;

 import org.aspectj.lang.ProceedingJoinPoint;

 /**

  * @desc 通知类

  *

  * @author xiaostudy

  *

  */

 public class MyAspectJ {

     public void myBefort(JoinPoint joinPoint) {

         System.out.println("前置通知>>>>>>>>>joinPoint: " + joinPoint.getSignature().getName());

     }

     public void myAfterReturning(JoinPoint joinPoint, Object ret) {

         System.out.println("后置通知>>>>>>>>>joinPoint: " + joinPoint.getSignature().getName()

                 + ", ret: " + ret);

     }

     public Object myAround(ProceedingJoinPoint joinPoint) throws Throwable {

         System.out.println("环绕通知====前>>>>>>>>>>>");

         Object obj = joinPoint.proceed();

         System.out.println("环绕通知====后<<<<<<<<<<<");

         return obj;

     }

     public void myThrowint(JoinPoint joinPoint, Throwable e) {

         System.out.println("异常通知>>>>>>>>>joinPoint: " + joinPoint.getSignature().getName()

                 + ", e: " + e.getMessage());

         System.exit(0);

     }

     public void myAfter(JoinPoint joinPoint) {

         System.out.println("最终通知>>>>>>>>>joinPoint: " + joinPoint.getSignature().getName());

     }

 }

 <?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:aop="http://www.springframework.org/schema/aop"

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

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

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

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

     <!-- 创建被代理类 -->

     <bean id="person" class="com.xiaostudy.PersonImple"></bean>

     <!-- 创建切面类 -->

     <bean id="advice" class="com.xiaostudy.MyAspectJ"></bean>

     <!-- springAOP编程 -->

     <aop:config>

         <!-- 将切面类 声明“切面”，从而获得通知（方法） -->

         <aop:aspect ref="advice">

             <!-- 声明一个切入点，所有的通知都可以使用 -->

             <aop:pointcut expression="execution(* com.xiaostudy.PersonImple.*(..))" id="myPointcut"/>

             <!-- 前置通知： method表示：方法名，pointcut-ref表示：所有的通知共享，（pointcut表示：只有当前通知可用，其他的不能用） -->

             <aop:before method="myBefort" pointcut-ref="myPointcut"/>

             <!-- 后置通知：returning表示：后置通知的第二个参数名，内容是方法的返回值 -->

             <aop:after-returning method="myAfterReturning" returning="ret" pointcut-ref="myPointcut"/>

             <!-- 环绕通知 -->

             <aop:around method="myAround" pointcut-ref="myPointcut"/>

             <!-- 异常通知：throwing表示：异常通知的第二个参数，内容是异常信息 -->

             <aop:after-throwing method="myThrowint" throwing="e" pointcut-ref="myPointcut"/>

             <!-- 最终通知 -->

             <aop:after method="myAfter" pointcut-ref="myPointcut"/>

         </aop:aspect>

     </aop:config>

 </beans>

 package com.xiaostudy;

 import org.springframework.context.ApplicationContext;

 import org.springframework.context.support.ClassPathXmlApplicationContext;

 /**

  * @desc 测试类

  *

  * @author xiaostudy

  *

  */

 public class Test {

     public static void main(String[] args) {

         ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");

         Person person = ac.getBean("person", Person.class);

         person.add();

         person.update();

         person.delete();

     }

 }