15.Spring_基于配置文件的方式来配置AOP

使用xml配置文件的方式来配置AOP，去掉类中的注解。

<?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"
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.xsd"> <!-- -->
<bean id="arithmeticCalculator" class="com.hcx.spring.aop.impl.xml.ArithmeticCalculatorImpl"></bean>
<bean id="loggingAspect" class="com.hcx.spring.aop.impl.xml.LoggingAspect"></bean>
<bean id="validationAspect" class="com.hcx.spring.aop.impl.xml.ValidationAspect"></bean>

<!-- 配置Aop -->
<aop:config>
<!-- 配置切点表达式 -->
<aop:pointcut expression="execution(* com.hcx.spring.aop.impl.xml.ArithmeticCalculator.*(int , int )
)" id="pointcut"/>
<!-- 配置切面和通知 -->
<aop:aspect ref="loggingAspect" order="2">
<!-- 前置，后置， 返回
<aop:before method="beforeMethod" pointcut-ref="pointcut"/>
<aop:after method="afterMethod" pointcut-ref="pointcut"/>
<aop:after-returning method="afterReturning" pointcut-ref="pointcut" returning="result"/>
-->
<!-- 环绕通知 -->
<aop:around method="aroundMethod" pointcut-ref="pointcut"/>
</aop:aspect>
<aop:aspect ref="validationAspect" order="1">
<aop:before method="validateArgs" pointcut-ref="pointcut"/>
</aop:aspect>
</aop:config>
</beans>