基于API 的spring aop(自动代理)

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本文详细解析了Spring框架中BeanNameAutoProxyCreator和DefaultAdvisorAutoProxyCreator的使用方式，包括如何通过bean的id值自动代理指定的目标对象，以及如何配置advice应用到特定的方法。通过XML配置文件示例，展示了NameMatchMethodPointcutAdvisor和RegexpMethodPointcutAdvisor的用法。

BeanNameAutoProxyCreator通过匹配bean的id值来决定自动代理那些target。自动代理可以不用为每个目标对象制定advice。配置文件如下。


<?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"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd ">
	<bean id="hello" class="cn.com.gan.spring.aop.ImpHello"></bean>
	<bean id="loggera" class="cn.com.gan.spring.aop.LoggerAfter"></bean>
	<bean id="loggerb" class="cn.com.gan.spring.aop.LoggerBefore"></bean>
<bean id="logger" class="cn.com.gan.spring.aop.loggerAdvisor"></bean>
<bean id="advisor"
		class="org.springframework.aop.support.NameMatchMethodPointcutAdvisor">
		<property name="mappedName" value="s*n"></property>
		<property name="advice">
			<ref local="logger" />
		</property>
	</bean>
	<bean id="regadvisor"
		class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">
		<property name="pattern" value=".*Again"></property>
		<property name="advice" ref="logger"></property>
	</bean>

<bean id="proxyhello"     class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
		<property name="beanNames">
			<value>hello</value>
		</property>
		<property name="interceptorNames">
			<list>
			advisor	
			</list>
		</property>
	</bean>
</beans>

或者DefaultAdvisorAutoProxyCreator不清楚根据什么代理或者是全部代理


<?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"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd ">
	<bean id="hello" class="cn.com.gan.spring.aop.ImpHello"></bean>
	<bean id="loggera" class="cn.com.gan.spring.aop.LoggerAfter"></bean>
	<bean id="loggerb" class="cn.com.gan.spring.aop.LoggerBefore"></bean>
<bean id="logger" class="cn.com.gan.spring.aop.loggerAdvisor"></bean>
<bean id="advisor"
		class="org.springframework.aop.support.NameMatchMethodPointcutAdvisor">
		<property name="mappedName" value="s*n"></property>
		<property name="advice">
			<ref local="logger" />
		</property>
	</bean>
	<bean id="regadvisor"
		class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">
		<property name="pattern" value=".*Again"></property>
		<property name="advice" ref="logger"></property>
	</bean>
<bean id="proxyhello"     class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator">
			</bean>
</beans>