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有些类请参照上一篇文章的其它类，这里就不列举了//这是切面类package com.spring.aop;
import org.aspectj.lang.ProceedingJoinPoint;
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;
@Aspect
public class TestAnnotationAspect {
@Pointcut("execution(* com.spring.service.*.*(..))")
@SuppressWarnings("unused")
private void pointCutMethod() {
}
@Before("pointCutMethod()")
public void doBefore() {
System.out.println("前置通知");
}
//声明后置通知
@AfterReturning(pointcut = "pointCutMethod()", returning = "result")
public void doAfterReturning(String result) {
System.out.println("后置通知");
result="";
System.out.println("---" + result + "---");
}
//声明例外通知
@AfterThrowing(pointcut = "pointCutMethod()", throwing = "e")
public void doAfterThrowing(Exception e) {
System.out.println("例外通知");
System.out.println(e.getMessage());
}
//声明环绕通知
@Around("pointCutMethod()")
public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
System.out.println("进入方法---环绕通知");
Object o = pjp.proceed();
System.out.println("退出方法---环绕通知");
return o;
}
}
//这是配置文件<?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:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd">
<!-- xml方式
<aop:config>
<aop:aspect id="TestAspect" ref="aspectBean">
<aop:pointcut id="businessService" expression="execution(* com.spring.service.*.*(..))" />
<aop:before pointcut-ref="businessService" method="doBefore"/>
<aop:after pointcut-ref="businessService" method="doAfter"/>
<aop:around pointcut-ref="businessService" method="doAround"/>
<aop:after-throwing pointcut-ref="businessService" method="doThrowing" throwing="ex"/>
</aop:aspect>
</aop:config>
<bean id="aspectBean" class="com.spring.aop.TestAspect" />
<bean id="aService" class="com.spring.service.AServiceImpl" ></bean>
<bean id="bService" class="com.spring.service.BServiceImpl"></bean>
-->
<aop:aspectj-autoproxy></aop:aspectj-autoproxy>
<bean class="org.springframework.aop.aspectj.annotation.AnnotationAwareAspectJAutoProxyCreator" />
<bean id="aspectBean" class="com.spring.aop.TestAnnotationAspect" />
<bean id="aService" class="com.spring.service.AServiceImpl"></bean>
<bean id="bService" class="com.spring.service.BServiceImpl"></bean>
</beans>
