笔记10 在XML中声明切面（1）

1.无注解的Audience

 package XMLconcert;

 public class Audience {

     public void silenceCellPhones() {
         System.out.println("Silencing cell phone");
     }

     public void takeSeats() {
         System.out.println("Taking seats");
     }

     public void applause() {
         System.out.println("CLAP CLAP CLAP");
     }

     public void demandRefund() {
         System.out.println("Demanding a refund");
     }

 }

2.通过XML将无注解的Audience声明为切面

 <?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:tx="http://www.springframework.org/schema/tx"
     xmlns:context="http://www.springframework.org/schema/context"
     xmlns:c="http://www.springframework.org/schema/c"
     xsi:schemaLocation="
    http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
    http://www.springframework.org/schema/aop
    http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-3.0.xsd">
         <bean id="audience" class="XMLconcert.Audience"></bean>
         <bean class="XMLconcert.Classcial"></bean>
           <aop:config>
                   <aop:aspect ref="audience">
                       <aop:before pointcut="execution(* XMLconcert.Performance.perform(..))" method="silenceCellPhones"/>
                       <aop:before pointcut="execution(* XMLconcert.Performance.perform(..))" method="takeSeats"/>
                       <aop:after-returning pointcut="execution(* XMLconcert.Performance.perform(..))" method="applause"/>
                       <aop:after-throwing pointcut="execution(* XMLconcert.Performance.perform(..))" method="demandRefund"/>
                   </aop:aspect>
           </aop:config>

    </beans>

或者

           <aop:config>
                   <aop:aspect ref="audience">
                       <aop:pointcut expression="execution(* XMLconcert.Performance.perform(..))" id="performance"/>
                       <aop:before pointcut-ref="performance" method="silenceCellPhones"/>
                       <aop:before pointcut-ref="performance" method="takeSeats"/>
                       <aop:after-returning pointcut-ref="performance" method="applause"/>
                       <aop:after-throwing pointcut-ref="performance" method="demandRefund"/>
                   </aop:aspect>
           </aop:config>

或者

替换Audience中的四个方法

     public void watchPerformance(ProceedingJoinPoint jp) {
         try {
             System.out.println("Silencing cell phone");
             System.out.println("Taking seats");
             jp.proceed();
             System.out.println("CLAP CLAP CLAP");
         } catch (Throwable e) {
             System.out.println("Demanding a refund");
         }
     }

           <aop:config>
                   <aop:aspect ref="audience">
                       <aop:pointcut expression="execution(* XMLconcert.Performance.perform(..))" id="performance"/>
                       <aop:around method="watchPerformance" pointcut-ref="performance"/>
                   </aop:aspect>
           </aop:config>

3.结果