package com.spring.aop; /** * 談戀愛接口 * * @author Administrator * */ public interface Love { /* * 談戀愛方法 */ void fallInLove(); }
package com.spring.aop; /** * 人對象 * @author luwenbin006@163.com * */ public class Person implements Love { /* * 重寫談戀愛方法 * @see com.spring.aop.Love#fallInLove() */ public void fallInLove() { System.out.println("談戀愛了..."); } }
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; /** * 註解方式 aop通知類 * @author luwenbin006@163.com * */ public class LoveHelper { //在調用方法以前執行 執行攔截包com.spring.aop.*下全部的方法 public void doBefore(JoinPoint point) throws Throwable { System.out.println("談戀愛以前必需要彼此瞭解!"); } //在調用方法先後執行 public Object doAround(ProceedingJoinPoint point) throws Throwable { if(point.getArgs().length>0) { return point.proceed(point.getArgs()); }else { return point.proceed(); } } //在調用方法以後執行 public void doAfter(JoinPoint point) throws Throwable { System.out.println("咱們已經談了5年了,最終仍是分手了!"); //System.out.println("咱們已經談了5年了,最終步入告終婚的殿堂!"); } //當拋出異常時被調用 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> <!-- 配置通知方法類 --> <bean id="loveHelper" class="com.spring.aop.LoveHelper"> </bean> <aop:config> <aop:aspect id="configAspect" ref="loveHelper"> <!--配置com.spring.aop包下全部類或接口的全部方法 --> <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測試方法類 * @author luwenbin006@163.com * */ public class LoveTest { public static void main(String[] args) { //加載spring配置文件 ApplicationContext appCtx = new ClassPathXmlApplicationContext( "applicationContext.xml"); //獲得person對象 Love love = (Love) appCtx.getBean("person"); //調用談戀愛方法 love.fallInLove(); } }
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