基于XML的AOP(了解)

基于XML的AOP(了解)

1. 准备工作

• 参考基于注解的AOP环境

2. 实现

<?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:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop.xsd">

    <!--扫描组件-->
    <context:component-scan base-package="com.atguigu.spring.aop.xml"></context:component-scan>

    <aop:config>
        <!--将IOC容器中的某个bean设置为切面-->
        <aop:aspect ref="loggerAspect">
            <!--设置一个公共的切入点表达式-->
            <aop:pointcut id="pointCut" expression="execution(* com.atguigu.spring.aop.xml.CalculatorImpl.*(..))"/>
            <aop:before method="beforeAdviceMethod" pointcut-ref="pointCut"></aop:before>
            <aop:after method="afterAdviceMethod" pointcut-ref="pointCut"></aop:after>
            <aop:after-returning method="afterReturningAdviceMethod" returning="result" pointcut-ref="pointCut"></aop:after-returning>
            <aop:after-throwing method="afterThrowingAdviceMethod" throwing="ex" pointcut-ref="pointCut"></aop:after-throwing>
            <aop:around method="aroundAdviceMethod" pointcut-ref="pointCut"></aop:around>
        </aop:aspect>
        <aop:aspect ref="validateAspect" order="1">
            <aop:before method="validateBeforeMethod" pointcut-ref="pointCut"></aop:before>
        </aop:aspect>
    </aop:config>
    
</beans>