springAop

package com.spring.jdkTest;
//接口
public interface Iuser {

	void printOne();
	void printTwo();
	}

package com.spring.jdkTest;
//目标类
public class UserImpl implements Iuser {

	@Override
	//连接点
	public void printOne() {
	System.out.println("One");	

	}

	@Override
	//连接点
	public void printTwo() {
	System.out.println("Two");	

	}
}

package com.spring.advice;
//通知
import java.lang.invoke.MethodHandleInfo;
import java.lang.reflect.Method;

import org.aopalliance.intercept.MethodInvocation;
import org.springframework.cglib.proxy.MethodInterceptor;
import org.springframework.cglib.proxy.MethodProxy;



public class Advice implements org.aopalliance.intercept.MethodInterceptor{
	@Override
	public Object invoke(MethodInvocation pass) throws Throwable {
		// TODO 自动生成的方法存根
			System.out.println("前");
			Object proceed =pass.proceed();//执行目标方法
			System.out.println("后");
		return proceed;
	}

	


}

<?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"   
xmlns:context="http://www.springframework.org/schema/context"  
xmlns:jee="http://www.springframework.org/schema/jee"  
xmlns:lang="http://www.springframework.org/schema/lang"  
xmlns:util="http://www.springframework.org/schema/util"  
xmlns:tx="http://www.springframework.org/schema/tx"  
xmlns:mvc="http://www.springframework.org/schema/mvc"    
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   
 http://www.springframework.org/schema/jee    
 http://www.springframework.org/schema/jee/spring-jee.xsd   
 http://www.springframework.org/schema/lang    
 http://www.springframework.org/schema/lang/spring-lang.xsd   
 http://www.springframework.org/schema/context    
 http://www.springframework.org/schema/context/spring-context.xsd   
 http://www.springframework.org/schema/tx    
 http://www.springframework.org/schema/tx/spring-tx.xsd   
 http://www.springframework.org/schema/util    
 http://www.springframework.org/schema/util/spring-util.xsd   
 http://www.springframework.org/schema/mvc    
 http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!--设置目标类对象  -->
<bean id="targetObject" class="com.spring.jdkTest.UserImpl"></bean>
<!--增强通知类的对象  -->
<bean id="myAdvice" class="com.spring.advice.Advice"></bean>

<aop:config>
<!--aop:pointcut 看起来像连接点   -->
<!--execution(* com.xyz.myapp.service.*.*(..)) 切入点表达式  
	第一个* 号代表方法的返回值任意
	第二个* service包下的任意类
	第三个* 任意类下的任意方法
	(..)。。 方法里面的参数任意
-->

<!-- <aop:pointcut expression="execution(* com.spring.jdkTest.*.*(..))" id="myPointCut"/>
<aop:advisor advice-ref="myAdvice" pointcut-ref="myPointCut"/> -->
<!-- 使任意方法变为其中的一个方法，制定方法增强 -->
<aop:pointcut expression="execution(* com.spring.jdkTest.*.printOne(..))" id="myPointCut"/>
<aop:advisor advice-ref="myAdvice" pointcut-ref="myPointCut"/>
</aop:config>
</beans>

package com.spring.jdkTest;

import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class AopTest{
	@Test
	public void test() {
		// TODO 自动生成的方法存根
		ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");
		Iuser user = context.getBean("targetObject",Iuser.class);
		user.printOne();
		user.printTwo();
	}
}