init和destory方法

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       4.1.
       
       新建一个Demo2的实体类;
       
       
 
       
       package 
       
       com.
       
       eduask.
       
       entity;
       
       
 
       
       //新建一个Demo2的实体类;
       
       
 
       
       public 
       
       class 
       
       Demo2 {
       
       
 
       
       public 
       
       void 
       
       init(){
       
       
 
       
       System.
       
       out.
       
       println(
       
       "这是init方法");
       
       
 }
       
       
 
       
       public 
       
       void 
       
       destory(){
       
       
 
       
       System.
       
       out.
       
       println(
       
       "调用cx.close方法之后");
       
       
 
       
       System.
       
       out.
       
       println(
       
       "这是destory方法");
       
       
 }
       
       
 }
       
       
 
       
       4.2
       
       新建一个TestDemo2的测试类
       
       
 
       
       package 
       
       com.
       
       eduask.
       
       entity;
       
       
 
       
       import 
       
       org.
       
       springframework.
       
       context.
       
       support.
       
       ClassPathXmlApplicationContext;
       
       
 
       
       public 
       
       class 
       
       TestDemo2 {
       
       
 
       
       public 
       
       static 
       
       void 
       
       main(
       
       String[] 
       
       args) {
       
       
 
       
       ClassPathXmlApplicationContext 
       
       cx
       
       =
       
       new 
       
       ClassPathXmlApplicationContext(
       
       "demo2.xml");
       
       
 
       
       Demo2 
       
       demo2
       
       =(
       
       Demo2) 
       
       cx.
       
       getBean(
       
       "Demo2");
       
       
 
       
       //只有当执行cx.close方法时，Demo2中的destory方法才会被执行;
       
       
 
       
       cx.
       
       close();
       
       
 }
       
       
 }
       
       
 
       
       4.3 
       
       新建一个demo2.
       
       xml的配置文件
       
       
 
       
       <
       
       ?
       
       xml 
       
       version
       
       =
       
       "1.0" 
       
       encoding
       
       =
       
       "UTF-8"
       
       ?
       
       >
       
       
 
       
       <
       
       beans 
       
       xmlns
       
       =
       
       "http://www.springframework.org/schema/beans"
       
       
 
       
       xmlns:
       
       xsi
       
       =
       
       "http://www.w3.org/2001/XMLSchema-instance"
       
       
 
       
       xsi:
       
       schemaLocation
       
       =
       
       "http://www.springframework.org/schema/beans
       
       
 
       
       ​​        
       
       http:
       
       //www.springframework.org/schema/beans/spring-beans.xsd"​​
       
       
 
       
       >
       
       
 
       
       <
       
       bean 
       
       id
       
       =
       
       "Demo2" 
       
       class
       
       =
       
       "com.eduask.entity.Demo2" 
       
       init
       
       -
       
       method
       
       =
       
       "init" 
       
       destroy
       
       -
       
       method
       
       =
       
       "destory"
       
       >
       
       
 
       
       <
       
       /bean>
       
       
 
       
       <
       
       /beans>
      
      
      
      

       
       
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