spring aop xml方式的配置案例 以及 annotation方式的配置aop

<?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:p="http://www.springframework.org/schema/p"xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsdhttp://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd"><context:component-scan base-package="com.maylor"></context:component-scan><bean id="logIntereptor" class="com.maylor.system.aop.LogInterceptor"></bean><!-- 配置aop切面以及切入点 --><aop:config><!-- 定义pointcut --><aop:pointcutexpression="execution (public void com.maylor.system.dao.impl.UserDAOImpl.addUser(..))"id="servicesPointCut" /><!-- 定义切面类,并且为其配置method应该在那个切入点执行 --><aop:aspect id="logAspect" ref="logIntereptor"><aop:before method="before" pointcut-ref="servicesPointCut" /></aop:aspect></aop:config></beans>

package com.maylor.system.aop;import org.aspectj.lang.annotation.Aspect;import org.aspectj.lang.annotation.Before;import org.springframework.stereotype.Component;@Aspect@Componentpublic class LogInterceptor {@Before("execution (public void com.maylor.system.dao.impl.UserDAOImpl.addUser(..))")public void before() {System.out.println("before start");}}