spring aop 记要

spring aop 记录
参考：
aop概念和例子（详细）：
http://blog.csdn.net/Matol/article/details/6096058


http://hi.baidu.com/rainfling/blog/item/d289e26fc2f2fbd381cb4af9.html
http://chenjumin.iteye.com/blog/364973
AOP例子:
http://pandonix.iteye.com/blog/336873
advisor 策略 是通过切入点 找到符合条件的方法 再根据策略 进行相应方法的事务控制


而aop:aspect   是根据切入点找到符合条件的方法 然后再根据切面的类型来适时的执行引入bean的方法

配置文件：

<?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="helloWorld" class="sytcun.HelloWorldServiceImp">
		
	</bean>
	<bean id="interceptorClass" class="sytcun.InterceptorClass"></bean>
	<!--   
	<bean id="proxy" class="org.springframework.aop.framework.ProxyFactoryBean">
		<property name="target">
			<ref bean="helloWorld"/>
		</property>
		<property name="interceptorNames">
			<list>
				<value>interceptorClass</value>
			</list>
		</property>
	</bean>
	-->
	<bean id="beanNameProxyCreater" class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
		<property name="beanNames">
			<list>
				<value>*World</value>
			</list>
		</property>
		<property name="interceptorNames">
			<list>
				<value>interceptorClass</value>
			</list>
		</property>
	</bean>
	
	<aop:config>
		<!--  <aop:advisor pointcut="" advice-ref=""/>-->
		<!-- 声明切面    order:加载顺序-->
		<aop:aspect ref="interceptorClass" order="0" id="interceptor">
			<!-- 声明切入点 -->
			<aop:pointcut expression="execution(* sytcun..*(..))" id="pointcut"/>
			<!-- 声明通知 -->
			<aop:before pointcut-ref="pointcut" method="beforeAdvice"/>
		</aop:aspect>
	</aop:config>
	
	
</beans>

package sytcun;

public interface HelloWorldService {
	public void sayHello();
}

package sytcun;

public class HelloWorldServiceImp implements HelloWorldService{
	public void sayHello() {
		System.out.println("hello world-sytcun");
	}
}

package sytcun;

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

public class HelloWorldMain {
	public static void main(String args[]) {
		ApplicationContext con=new FileSystemXmlApplicationContext("src/applicationContext.xml");
		HelloWorldService helloWorld=(HelloWorldService)con.getBean("helloWorld");
		//HelloWorldService helloWorld=(HelloWorldService)con.getBean("proxy");
		helloWorld.sayHello();
		
		HelloWorldService helloWorld2=(HelloWorldService)con.getBean("helloWorld");
		helloWorld2.sayHello();
	}
}

package sytcun;

import java.lang.reflect.Method;

import org.springframework.aop.MethodBeforeAdvice;

public class InterceptorClass implements MethodBeforeAdvice{
	public void before() {
		System.out.println("hello world execute");
	}
	public void beforeAdvice() {
		System.out.println("hello world execute --aop:config方式");
	}
	public void before(Method arg0, Object[] arg1, Object arg2)
			throws Throwable {
		System.out.println("hello world execute --自动代理方式");
		
	}
}