容易的Spring AOP

简单的Spring 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: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/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd "><bean id="greetingService"value="Hello, Jesse!" /></bean><bean id="point" expression="execution(* *.greet(..))"/> <!-- 创建切入点并绑定greet方法 --><aop:before method="greetBefore" pointcut-ref="greetPointcut"/><aop:after method="greetAfter" pointcut-ref="greetPointcut"/></aop:aspect></aop:config></beans>

package com.jesse.spring.simple.service.impl;import org.apache.log4j.Logger;import com.jesse.spring.simple.service.GreetingService;public class GreetingServiceImpl implements GreetingService {private static final Logger logger = Logger.getLogger(GreetingServiceImpl.class);private String string;@Overridepublic void greet() {logger.info(this);logger.info(string);}public String getString() {return string;}public void setString(String string) {this.string = string;}}

package com.jesse.spring.simple.service;import org.apache.log4j.Logger;public class Point {private static final Logger logger = Logger.getLogger(Point.class);public void greetBefore() {logger.info("this is before method.....");}public void greetAfter() {logger.info("this is after method.....");}}

[2013-10-26 03:32:05]  INFO (Point.java:10) -this is before method.....[2013-10-26 03:32:05]  INFO (GreetingServiceImpl.java:15) -com.jesse.spring.simple.service.impl.GreetingServiceImpl@170eb6d[2013-10-26 03:32:05]  INFO (GreetingServiceImpl.java:16) -Hello, Jesse![2013-10-26 03:32:05]  INFO (Point.java:14) -this is after method.....[2013-10-26 03:32:05]  INFO (Point.java:10) -this is before method.....[2013-10-26 03:32:05]  INFO (GreetingServiceImpl.java:15) -com.jesse.spring.simple.service.impl.GreetingServiceImpl@170eb6d[2013-10-26 03:32:05]  INFO (GreetingServiceImpl.java:16) -Hello, Jesse![2013-10-26 03:32:05]  INFO (Point.java:14) -this is after method.....