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()>>>>>>>>");

     }

     @Override

     public void delete() {

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

     }

 }

 package com.xiaostudy;

 import org.aopalliance.intercept.MethodInterceptor;

 import org.aopalliance.intercept.MethodInvocation;

 /**

  * @desc 切面类

  *

  * @author xiaostudy

  *

  */

 public class MyAdvice implements MethodInterceptor {

     /**

      * @desc 环绕通知

      */

     @Override

     public Object invoke(MethodInvocation method) throws Throwable {

         System.out.println("日记开始>>>>>>>>>>>");

         method.proceed();

         System.out.println("日记结束<<<<<<<<<<<<");

         return null;

     }

 }

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

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

        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.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.MyAdvice"></bean>

     <!-- 创建代理类 -->

     <bean id="proxyPerson" class="org.springframework.aop.framework.ProxyFactoryBean">

         <!-- 把被代理类接口引入进来 -->

         <property name="interfaces" value="com.xiaostudy.Person"></property>

         <!-- 把被代理类引入进来 -->

         <property name="target" ref="person"></property>

         <!-- 把切面类引入进来，是以字符串形式引入，所以是用value，而不是用ref -->

         <property name="interceptorNames" value="advice"></property>

         <!-- 非必须项：value为true表示强制使用cglib代理 -->

         <property name="optimize" value="true"></property>

     </bean>

 </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("proxyPerson", Person.class);

         person.add();

         person.update();

         person.delete();

     }

 }