1: 首先我们要定义 配置成切面的类
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package cn.gbx.example;import org.aspectj.lang.ProceedingJoinPoint;import org.aspectj.lang.annotation.After;import org.aspectj.lang.annotation.AfterReturning;import org.aspectj.lang.annotation.AfterThrowing;import org.aspectj.lang.annotation.Around;import org.aspectj.lang.annotation.Aspect;import org.aspectj.lang.annotation.Before;import org.aspectj.lang.annotation.Pointcut;public
class MyXmlIntercept { public
void doAccessCheck() { System.out.println("前置通知"); } public
void doAfterReturning() { System.out.println("后置通知"); } public
void doAfter() { System.out.println("最终通知"); } public
void doAfterThrowing() { System.out.println("例外通知"); } public
Object doBasicProfiling(ProceedingJoinPoint pjp) throws Throwable { System.out.println("进入方法"); Object value = pjp.proceed(); System.out.println("退出方法"); return
value; }} |
然后再XML文件中将其配置成切面
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<?xml version="1.0"
encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd"> <aop:aspectj-autoproxy/> <bean id="personService"
class="cn.gbx.serviceimpl.PersonServiceImpl"></bean> <bean id="myXmlIntercept"
class="cn.gbx.example.MyXmlIntercept"></bean> <aop:config> <aop:aspect id="myasp"
ref="myXmlIntercept"> <aop:pointcut expression="execution (* cn.gbx.serviceimpl.PersonServiceImpl.*(..))"
id="mycut"/> <aop:before method="doAccessCheck"
pointcut-ref="mycut"/> <aop:after-returning pointcut-ref="mycut"
method="doAfterReturning"/> <aop:after-throwing pointcut-ref="mycut"
method="doAfterThrowing"/> <aop:after pointcut-ref="mycut"
method="doAfter"/> <aop:around pointcut-ref="mycut"
method="doBasicProfiling"/> </aop:aspect> </aop:config></beans> |
然后测试即可。
简单说明
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expression="execution (* cn.gbx.serviceimpl.PersonServiceImpl.*(..))"<br>如果我们要要返回值烈性为Stirng的 方法才被拦截 |
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execution (java.lang.String cn.gbx.serviceimpl.PersonServiceImpl.*(..))<br><br>如果我们要求参数第一个为String ， 后边不限 |
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expression="execution (* cn.gbx.serviceimpl.PersonServiceImpl.*(java.lang.String, ..))"<br><br>要求返回至为非void |
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expression="execution (!void cn.gbx.serviceimpl.PersonServiceImpl.*(..))"<br><br><br> |
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<br><br> |
原文：http://www.cnblogs.com/E-star/p/3560964.html