1、被代理类接口Person.java
1 package com.xiaostudy;
2
3 /**
4 * @desc 被代理类接口
5 *
6 * @author xiaostudy
7 *
8 */
9 public interface Person {
10
11 public void add();
12 public void update();
13 public void delete();
14 }
2、被代理类PersonImple.java
1 package com.xiaostudy;
2
3 /**
4 * @desc 被代理类
5 *
6 * @author xiaostudy
7 *
8 */
9 public class PersonImple implements Person {
10
11 /**
12 * @desc 实现接口方法
13 */
14 public void add() {
15 System.out.println("add()>>>>>>>>");
16 }
17
18 @Override
19 public void update() {
20 System.out.println("update()>>>>>>>>");
21 }
22
23 @Override
24 public void delete() {
25 System.out.println("delete()>>>>>>>>");
26 }
27
28 }
3、切面类MyAdvice.java
1 package com.xiaostudy;
2
3 import org.aopalliance.intercept.MethodInterceptor;
4 import org.aopalliance.intercept.MethodInvocation;
5
6 /**
7 * @desc 切面类
8 *
9 * @author xiaostudy
10 *
11 */
12 public class MyAdvice implements MethodInterceptor {
13
14 /**
15 * @desc 环绕通知
16 */
17 @Override
18 public Object invoke(MethodInvocation method) throws Throwable {
19 System.out.println("日记开始>>>>>>>>>>>");
20 method.proceed();
21 System.out.println("日记结束<<<<<<<<<<<<");
22 return null;
23 }
24
25 }
4、spring配置文件applicationContext.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2 <beans xmlns="http://www.springframework.org/schema/beans"
3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4 xsi:schemaLocation="http://www.springframework.org/schema/beans
5 http://www.springframework.org/schema/beans/spring-beans.xsd">
6 <!-- 创建被代理类 -->
7 <bean id="person" class="com.xiaostudy.PersonImple"></bean>
8 <!-- 创建切面类 -->
9 <bean id="advice" class="com.xiaostudy.MyAdvice"></bean>
10 <!-- 创建代理类 -->
11 <bean id="proxyPerson" class="org.springframework.aop.framework.ProxyFactoryBean">
12 <!-- 把被代理类接口引入进来 -->
13 <property name="interfaces" value="com.xiaostudy.Person"></property>
14 <!-- 把被代理类引入进来 -->
15 <property name="target" ref="person"></property>
16 <!-- 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 -->
17 <property name="interceptorNames" value="advice"></property>
18 <!-- 非必须项：value为true表示强制使用cglib代理 -->
19 <property name="optimize" value="true"></property>
20 </bean>
21 </beans>
5、测试类Test.java
1 package com.xiaostudy;
2
3 import org.springframework.context.ApplicationContext;
4 import org.springframework.context.support.ClassPathXmlApplicationContext;
5
6 /**
7 * @desc 测试类
8 *
9 * @author xiaostudy
10 *
11 */
12 public class Test {
13
14 public static void main(String[] args) {
15 ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");
16 Person person = ac.getBean("proxyPerson", Person.class);
17 person.add();
18 person.update();
19 person.delete();
20 }
21
22 }
