Spring init-method和destroy-method 的使用

 1 package cn.demo.service;
 2 
 3 /**
 4  * 接口
 5  * @author xkjava
 6  * @date 2015-07-12
 7  */
 8 public interface StudentService {
 9     
10     public void helloSpring(String str);
11 
12 }

 1 package cn.demo.service.impl;
 2 
 3 import java.io.Serializable;
 4 
 5 import cn.demo.service.StudentService;
 6 
 7 public class StudentServiceImpl implements StudentService,Serializable{
 8 
 9     
10     /**
11      * 
12      */
13     private static final long serialVersionUID = 6130145558179499205L;
14 
15     
16     /**
17      * demo测试
18      */
19     @Override
20     public void helloSpring(String str) {
21         // TODO Auto-generated method stub
22         System.err.println("这里正常执行  this is "+str);
23     }
24     
25     /**
26      * 执行helloSpring 之前执行
27      */
28     public void inits(){
29         System.err.println("这里在 执行helloSpring之前执行！ ");
30     }
31     
32     
33     /**
34      * 摧毁 对象前调用
35      */
36     public void shutdown(){
37         System.err.println("销毁 studentService 对象实例 前 调用 shutdown() 方法");
38     }
39 
40 }

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
 4     xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context"
 5     xsi:schemaLocation="  
 6          http://www.springframework.org/schema/context   
 7          http://www.springframework.org/schema/context/spring-context-3.0.xsd    
 8      http://www.springframework.org/schema/beans   
 9      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  
10      http://www.springframework.org/schema/tx   
11      http://www.springframework.org/schema/tx/spring-tx-3.0.xsd  
12      http://www.springframework.org/schema/aop   
13      http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
14         
15     <!-- 注意 init-method 和 destroy-method 所加载的方法名字 和 StudentServiceImpl.java中对比 -->    
16     <bean id="stu" class="cn.demo.service.impl.StudentServiceImpl" init-method="inits" destroy-method="shutdown"></bean>
17 
18 </beans>

 1 package cn.demo.test;
 2 
 3 import java.io.Serializable;
 4 
 5 import org.springframework.beans.factory.annotation.Autowired;
 6 import org.springframework.context.ApplicationContext;
 7 import org.springframework.context.support.ClassPathXmlApplicationContext;
 8 
 9 import cn.demo.service.StudentService;
10 
11 /**
12  * 测试
13  * @author xkjava
14  *
15  */
16 public class TestDemo implements Serializable {
17 
18     
19     /**
20      * 
21      */
22     private static final long serialVersionUID = 6343872716391435079L;
23     
24 
25     /**
26      * main入口
27      */
28     public static void main(String[] args){
29         
30         
31         ApplicationContext context = new ClassPathXmlApplicationContext(new String[]{"applicationContext.xml"});
32         
33         StudentService studentService = context.getBean("stu", StudentService.class);
34         
35         studentService.helloSpring("Hello! Spring!");
36         
37         //摧毁studentService实例对象
38         ((ClassPathXmlApplicationContext) context).close();  
39         
40     }
41 }