Spring xml中进行面向切面的配置

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.springframework.org/schema/beans" xmlns:p="http://www.springframework.org/schema/p"
xmlns:util="http://www.springframework.org/schema/util" xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.1.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd"> <context:component-scan base-package="com.stono.sprtest2"></context:component-scan>
<!-- 最好在xml里面配置切面Bean，这样可以有method的提示；用@Component程序一样可以运行，但是写XML没有method提示 -->
<bean id="audience" class="com.stono.sprtest2.Audience"></bean>
<aop:config>
<aop:aspect ref="audience">
<!-- execution(*-返回值 方法全名 (..)任意参数)中的意义 -->
<aop:before pointcut="execution( * com.stono.sprtest2.Singer.perform(..))" method="takeSeat" />
<aop:before pointcut="execution( * com.stono.sprtest2.Singer.perform(..))" method="turnOffPhone" />
<aop:after-returning pointcut="execution( * *.perform(..))" method="applaud" />
<aop:after-returning pointcut="execution( * *(..))" method="applaud" />
<aop:after-returning pointcut="execution( * *.*(..))" method="applaud" />
<!-- 这样写不行 <aop:after-returning pointcut="execution( * *.*.perform(..))" method="applaud" /> -->
<aop:after-throwing pointcut="execution( * com.stono.sprtest2.Singer.perform(..))" method="refund" />
</aop:aspect>
</aop:config>
<aop:config>
<aop:aspect ref="audience">
<!-- 可以把切点定义提取出来 -->
<aop:pointcut expression="execution( * com.stono.sprtest2.Singer.perform(..))" id="performance" />
<aop:before method="takeSeat" pointcut-ref="performance" />
<aop:before method="turnOffPhone" pointcut-ref="performance" />
<aop:after-returning method="applaud" pointcut-ref="performance" />
<aop:after-throwing method="refund" pointcut-ref="performance" />
</aop:aspect>
</aop:config>
<aop:config>
<aop:aspect ref="audience">
<!-- 可以把切点定义提取出来 -->
<aop:pointcut expression="execution( * com.stono.sprtest2.Singer.perform(..))" id="performance" />
<!-- 环绕aop -->
<aop:around method="watchPerformance" pointcut-ref="performance" />
</aop:aspect>
</aop:config>
</beans>

package com.stono.sprtest2;

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

public class AppBeans9 {
@SuppressWarnings("resource")
public static void main(String[] args) {
ApplicationContext context = new ClassPathXmlApplicationContext("appbeans9.xml");
Singer singer = (Singer) context.getBean("singer");
singer.perform();
}
}

package com.stono.sprtest2;

import org.aspectj.lang.ProceedingJoinPoint;

public class Audience {
public void takeSeat() {
System.out.println("com.stono.sprtest2.Audience.takeSeat()");
}
public void turnOffPhone() {
System.out.println("com.stono.sprtest2.Audience.turnOffPhone()");
}
public void applaud() {
System.out.println("com.stono.sprtest2.Audience.applaud()");
}
public void refund() {
System.out.println("com.stono.sprtest2.Audience.refund()");
}
public void watchPerformance(ProceedingJoinPoint joinPoint) {
try {
System.out.println("The audience is taking their seats.");
System.out.println("The audience is turning off their cellphones.");
long start = System.currentTimeMillis();
joinPoint.proceed();
long end = System.currentTimeMillis();
System.out.println("CLAP CLAP CLAP CLAP CLAP CLAP");
System.out.println("The performance took " + (end - start) + " milliseconds.");
} catch (Throwable e) {
e.printStackTrace();
System.out.println("Boo! We want our money back!");
}
}
}

package com.stono.sprtest2;

import org.springframework.stereotype.Component;

@Component
public class Singer {
public void perform(){
System.out.println("com.stono.sprtest2.Singer.Perform()");
}
}