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spring-DI（依赖注入）

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我是靠谱客的博主 昏睡毛豆，这篇文章主要介绍spring-DI（依赖注入），现在分享给大家，希望可以做个参考。

依赖注入分类

设值注入

  1. <bean id="user" class="com.zcl.spring.setterinjection.User">  
  2.         <property name="name" value="Zhao" />  
  3.         <property name="age" value="22" />  
  4.         <property name="country" value="China" />  
  5.     </bean>  

构造方法注入

  1. <bean id="user" class="com.zcl.spring.setterinjection.User">  
  2.         <constructor-arg value="Zhao" />  
  3.         <constructor-arg value="22" />  
  4.         <constructor-arg value="China" />  
  5.     </bean>  

接口注入

依赖注入属性设置

值属性

基本类型和字符串

空值null

空字符串“”

引用属性

引用属性的三种形式

Bean

Local

Parent

集合对象属性

数组和List

Set

Map

Properties


最后

以上就是昏睡毛豆最近收集整理的关于spring-DI（依赖注入）的全部内容，更多相关spring-DI（依赖注入）内容请搜索靠谱客的其他文章。

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