1) 通過建構函式

2) 通過set方法給屬性注入值

3) p名稱空間

         4)自動裝配(瞭解)

         5)註解

    下面是bean.xml檔案中的關鍵程式碼

1. <?xmlversion="1.0"encoding="UTF-8"?>
2. <beansxmlns="http://www.springframework.org/schema/beans"
3.        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4.        xmlns:p="http://www.springframework.org/schema/p"
5.        xmlns:context="http://www.springframework.org/schema/context"
6.        xsi:schemaLocation="  
7.         http://www.springframework.org/schema/beans  
8.         http://www.springframework.org/schema/beans/spring-beans.xsd  
9.         http://www.springframework.org/schema/context  
10.         http://www.springframework.org/schema/context/spring-context.xsd">
11.      <!-- ###############物件屬性賦值############### -->
12.      <!--  1) 通過建構函式 -->
13.      <beanid="user1"class="cn.itcast.c_property.User"scope="prototype">
14.          <constructor-argvalue="100"></constructor-arg>
15.          <constructor-argvalue="Tom"></constructor-arg>
16.      </
    bean>
17.      <!-- 2) 通過set方法給屬性注入值 -->
18.      <beanid="user"class="cn.itcast.c_property.User"scope="prototype">
19.          <propertyname="id"value="101"></property>
20.          <propertyname="name"value="jack1"></property>
21.      </bean>
22.      <!--   
23.         案例：  
24.             action/service/dao  
25.      -->
26.      <!-- dao instance -->
27.     <beanid="userDao"class="cn.itcast.c_property.UserDao"></bean>
28.     <!-- service instance -->
29.     <beanid="userService"class="cn.itcast.c_property.UserService">
30.         <propertyname="userDao"ref="userDao"></property>
31.     </bean>
32.     <!-- action instance -->
33.     <beanid="userAction1"class="cn.itcast.c_property.UserAction">
34.         <propertyname="userService"ref="userService"></property>
35.     </bean>
36.      <!-- ##############內部bean############## -->
37.     <beanid="userAction2"class="cn.itcast.c_property.UserAction">
38.         <propertyname="userService">
39.             <beanclass="cn.itcast.c_property.UserService">
40.                 <propertyname="userDao">
41.                     <beanclass="cn.itcast.c_property.UserDao"></bean>
42.                 </property>
43.             </bean>
44.         </property>
45.     </bean>
46.      <!--   
47.         給物件屬性注入值：  
48.             # p 名稱空間給物件的屬性注入值  
49.              (spring3.0以上版本才支援)  
50.      -->
51. </beans>

p 名稱空間注入屬性值 (優化)

1. <?xmlversion="1.0"encoding="UTF-8"?>
2. <beansxmlns="http://www.springframework.org/schema/beans"
3.     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4.     xmlns:p="http://www.springframework.org/schema/p"
5.     xmlns:context="http://www.springframework.org/schema/context"
6.     xsi:schemaLocation="  
7.         http://www.springframework.org/schema/beans  
8.         http://www.springframework.org/schema/beans/spring-beans.xsd  
9.         http://www.springframework.org/schema/context  
10.         http://www.springframework.org/schema/context/spring-context.xsd">
11.     <!-- ###############物件屬性賦值############### -->
12.     <!--   
13.         給物件屬性注入值：  
14.             # p 名稱空間給物件的屬性注入值  
15.              (spring3.0以上版本才支援)  
16.      -->
17.      <beanid="userDao"class="cn.itcast.c_property.UserDao"></bean>
18.      <beanid="userService"class="cn.itcast.c_property.UserService"p:userDao-ref="userDao"></bean>
19.      <beanid="userAction"class="cn.itcast.c_property.UserAction"p:userService-ref="userService"></bean>
20.     <!-- 傳統的注入：   
21.      <beanid="user"class="cn.itcast.c_property.User">
22.         <propertyname="name"value="xxx"></property>
23.      </bean>
24.     -->
25.     <!-- p名稱空間優化後 -->
26.     <beanid="user"class="cn.itcast.c_property.User"p:name="Jack0001"></bean>
27. </beans>

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