spring的依赖注入的最常见的两种方法

Posted 2020-06-11

 1 package com.lsz.spring.action;
 2 
 3 public class User {
 4     /**
 5      * set注入
 6      */
 7     private String username;
 8     public void setUsername(String username) {
 9         this.username=username;
10     }
11     public String getUsername() {
12         return username;
13     }    
14     /*
15     <bean id="userAction"class="com.lsz.spring.action.User" >  
16     <span style="white-space:pre">  </span><property name="username" value="admin"></property>  
17     </bean>  
18     */
19     /**
20      * 给对象赋值
21      */
22     
23          private UserService ;  
24          public UserServicegetUserservice() {  
25               return userservice;  
26          }  
27          public void setUserservice(UserService userservice){  
28              this.userservice= userservice;  
29          }  
30 
31     /*
32      * <!--对象的声明-->  
33         <bean id="userService" class="com.lsz.spring.service.UserService"></bean>  
34            
35         <bean id="userAction"class="com.lsz.spring.action.User" >  
36            <property name="userservice" ref="userService"></property>  
37         </bean>  
38      */
39     
40 
41 }

备注：http://blog.csdn.net/lishuangzhe7047/article/category/2069855  这个博客有一篇依赖注入的文章不错。spring的依赖注入那篇