Spring的三种注入类型:
1. Setter Injection (Setter注入)
2. Constructor Injection (构造注入)
3 接口注入
参考:spring-framework-2.5.6-with-dependencies\spring-framework-2.5.6\docs\reference\html_single\index.html 中的3.3.1章节。
具体配置参考如下:
<?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-2.5.xsd">
<bean id="u" class="com.bjsxt.dao.impl.UserDAOImpl">
</bean>
<bean id="userService" class="com.bjsxt.service.UserService">
<!-- Setter Injection -->
<!--
<property name="userDAO" ref="u" />
-->
<!-- Constructor Injection -->
<constructor-arg ref="u"> </constructor-arg>
</bean>
</beans>