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package com.spring.aop; /** * 谈恋爱接口 * * @author Administrator * */ public interface Love { /* * 谈恋爱方法 */ void fallInLove(); }
package com.spring.aop; /** * 人对象 * @author luwenbin006@163.com * */ public class Person implements Love { /* * 重写谈恋爱方法 * @see com.spring.aop.Love#fallInLove() */ public void fallInLove() { System.out.println("谈恋爱了..."); } }
package com.spring.aop; import org.aspectj.lang.JoinPoint; import org.aspectj.lang.ProceedingJoinPoint; import org.aspectj.lang.annotation.After; import org.aspectj.lang.annotation.AfterThrowing; import org.aspectj.lang.annotation.Around; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Before; /** * 注解方式 aop通知类 * @author luwenbin006@163.com * */ public class LoveHelper { //在调用方法之前执行 执行拦截包com.spring.aop.*下所有的方法 public void doBefore(JoinPoint point) throws Throwable { System.out.println("谈恋爱之前必须要彼此了解!"); } //在调用方法前后执行 public Object doAround(ProceedingJoinPoint point) throws Throwable { if(point.getArgs().length>0) { return point.proceed(point.getArgs()); }else { return point.proceed(); } } //在调用方法之后执行 public void doAfter(JoinPoint point) throws Throwable { System.out.println("我们已经谈了5年了,最终还是分手了!"); //System.out.println("我们已经谈了5年了,最终步入了结婚的殿堂!"); } //当抛出异常时被调用 public void doThrowing(JoinPoint point, Throwable ex) { System.out.println("doThrowing::method " + point.getTarget().getClass().getName() + "." + point.getSignature().getName() + " throw exception"); System.out.println(ex.getMessage()); } }
<?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-4.0.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"> <!-- 配置bean --> <bean id="person" class="com.spring.aop.Person"> </bean> <!-- 配置通知方法类 --> <bean id="loveHelper" class="com.spring.aop.LoveHelper"> </bean> <aop:config> <aop:aspect id="configAspect" ref="loveHelper"> <!--配置com.spring.aop包下所有类或接口的所有方法 --> <aop:pointcut id="loveServices" expression="execution(* com.spring.aop.*..*(..))" /> <aop:before pointcut-ref="loveServices" method="doBefore" /> <aop:after pointcut-ref="loveServices" method="doAfter" /> <aop:around pointcut-ref="loveServices" method="doAround" /> <aop:after-throwing pointcut-ref="loveServices" method="doThrowing" throwing="ex" /> </aop:aspect> </aop:config> </beans>
package com.spring.aop; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import com.spring.aop.Love; /** * aop测试方法类 * @author luwenbin006@163.com * */ public class LoveTest { public static void main(String[] args) { //加载spring配置文件 ApplicationContext appCtx = new ClassPathXmlApplicationContext( "applicationContext.xml"); //得到person对象 Love love = (Love) appCtx.getBean("person"); //调用谈恋爱方法 love.fallInLove(); } }
7、源码下载地址:源码下载
Spring AOP实现方式四之注入式AspectJ切面【附源码】
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原文地址:http://www.cnblogs.com/luwenbin/p/4438439.html