<?xml version="1.0" encoding="UTF-8"?>
        <beans xmlns="http://www.springframework.org/schema/beans"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="http://www.springframework.org/schema/beans
            http://www.springframework.org/schema/beans/spring-beans.xsd
            http://www.springframework.org/schema/aop
            http://www.springframework.org/schema/aop/spring-aop-4.2.xsd"
            xmlns:aop="http://www.springframework.org/schema/aop">



    <bean id="timeHandler" class="com.example.demo01.aop.TimeHandler"/>
    <bean id="videoService" class="com.example.demo01.service.impl.VideoServiceImpl"/>
    <!--aop配置-->
    <aop:config >

<!--        横切关注点-->
        <aop:aspect id="timeAspect" ref="timeHandler">
<!--            定义切面表达式-->
            <aop:pointcut id="allMethodLogPointCut" expression="execution(* com.example.demo01.service.VideoService.*(..))"/>
<!--            通知前置通知和后置通知-->
            <aop:before method="printBefore" pointcut-ref="allMethodLogPointCut"/>
            <aop:after method="printAfter" pointcut-ref="allMethodLogPointCut"/>
        </aop:aspect>

    </aop:config>
</beans>