基于配置的spring AOP的一个示例

/**
*包括四个类，和一个配置文件
*1.切面类 Audience,此类中包括各种Advice,pointCut是对jointPoint的一个子集（通过表达式来获取)
*2和3: 接口Singer及其实现类SingerImpl,此类包括joinPoint
*4.测试类Test
*配置文件：springtestconfiguration.xml
*/

package com.springinaction.aop.config;

public class Audience
{
// 落座
private void takeSeats()
{
System.out.println("落座");
}

// 关闭手机
private void turnOffCellPhones()
{
System.out.println("关闭手机");
}

// 喝彩
private void applaud()
{
System.out.println("喝彩");
}

// 退票
private void demandRefund()
{
System.out.println("退票");
}
}
/////////////////////////////
package com.springinaction.aop.config;

public interface Singer
{
public void singSong();
}
///////////////////////////////
package com.springinaction.aop.config;

public class SingerImpl implements Singer
{
private String song;

public void setSong(String song)
{
this.song = song;
}

public void singSong()
{
System.out.println("我要唱: " + this.song);
}
}
///////////////////////////
package com.springinaction.aop.config;

import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.support.FileSystemXmlApplicationContext;

public class Test
{
public static void main(String[] args)
{
//必须要使用上下文的applicationContext才能使用AOP，而bean工厂是不支持的
//BeanFactory factory = new ClassPathXmlApplicationContext("springtestconfig.xml");
BeanFactory factory = new FileSystemXmlApplicationContext("springtestconfig.xml");
//BeanFactory factory = new XmlBeanFactory(new FileSystemResource("springtest.xml"));

Singer singer = (Singer) factory.getBean("singer");
singer.singSong();
}
}
/////////////////////////////////

<?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:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd"> <bean id="audience" class="com.springinaction.aop.config.Audience" />
<bean id="singer" class="com.springinaction.aop.config.SingerImpl">
<property name="song" value="爱你一万年" />
</bean>

<aop:config>
<aop:aspect ref="audience">
<aop:before method="takeSeats" pointcut="execution(* *.sing*(..))" />
<aop:before method="turnOffCellPhones" pointcut="execution(* *.sing*(..))" />
<aop:after-returning method="applaud"
pointcut="execution(* *.sing*(..))" />
<aop:after-throwing method="demandRefund"
pointcut="execution(* *.sing*(..))" />
</aop:aspect>
</aop:config>
</beans>