自动装配(AutoWire)

 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"
 4        xsi:schemaLocation="http://www.springframework.org/schema/beans
 5            http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
 6 
 7   <bean name="userDAO1" class="com.bjsxt.dao.impl.UserDAOImpl">
 8       <property name="daoId" value="1"></property>
 9   </bean>
10   
11   <bean name="userDAO2" class="com.bjsxt.dao.impl.UserDAOImpl">
12       <property name="daoId" value="2"></property>
13   </bean>
14 
15   <bean id="userService" class="com.bjsxt.service.UserService" scope="singleton" autowire="byType">
16       <!-- <property name="userDAO">
17           <ref bean="userDAO1"/>
18       </property> -->
19   </bean>
20   
21 </beans>