?切面類

import org.aopalliance.intercept.MethodInterceptor; import org.aopalliance.intercept.MethodInvocation;public class MyAspect implements MethodInterceptor{@Overridepublic Object invoke(MethodInvocation mi) throws Throwable {System.out.println("前");// 手動執行目標方法Object obj = mi.proceed();System.out.println("后");return obj;} }

接口?

public interface UserService {void addUser();void updateUser(); }

?實現類

public class UserServiceImpl implements UserService {@Overridepublic void addUser() {System.out.println("bean adduser...");}@Overridepublic void updateUser() {System.out.println("bean updateUser...");} }

配置文件?

<?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"><!-- 1.創建目標類 --><bean id="userService" class="com.atchina.b_factory_bean.UserServiceImpl"/><!-- 2.創建切面類 --><bean id="myAspect" class="com.atchina.b_factory_bean.MyAspect"/><!-- 3.創建代理類 ProxyFactoryBean用于創建工廠bean,生成特殊代理對象interfaces: 確定接口target: 確定目標類interceptorNames: 通知, 切面類的名稱, 類型是string[], --><bean id="proxyService" class="org.springframework.aop.framework.ProxyFactoryBean"><property name="interfaces" value="com.atchina.b_factory_bean.UserService"></property><property name="target" ref="userService"></property><property name="interceptorNames" value="myAspect"></property></bean> </beans>

?測試類:

import org.junit.Test; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext;public class TestFactoryBean {@Testpublic void test(){String xmlPath = "com/atchina/b_factory_bean/applicationContext.xml";ApplicationContext ac = new ClassPathXmlApplicationContext(xmlPath);UserService userService = (UserService)ac.getBean("proxyService");userService.addUser();} }

?

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