AOP

AOP定义

术语:切面,连接点，切入点，通知，目标对象，代理

创建通知:

     前置通知类实现MethodBeforeAdvice接口

     后置通知,AfterReturningAdvice接口

     拦截通知,MethodInterceptor接口

     异常通知,ThrowsAdvice接口

<?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-2.0.xsd">

    <bean id="customerTarget" class="aop.beforeAdvice.Customer">

	    <property name="name">

	        <value>Gates</value>

	    </property>

    </bean>

    <bean id="welcomeAdvice" class="aop.beforeAdvice.Welcome">

    </bean>

    <bean id="customer" class="org.springframework.aop.framework.ProxyFactoryBean">

        <property name="interceptorNames">

            <list>

                <value>welcomeAdvice</value>

            </list>

        </property>

        <property name="target">

            <ref bean="customerTarget"/>

        </property>

    </bean>

</beans>