注释与xml之间的对应关系

<beanid="u1"class="com.*.dao.impl.UserDAOImpl">

    <!--collaborators and configuration for this bean go here -->

</bean>

 

<beanid="userService"class="com.*.service.UserService">

   

  </bean>

 

等价于：

<context:annotation-config/>

    <context:component-scanbase-package="*.*"></context:component-scan>

@Component("name")

@Resource(name=" name ")name为key

@Component("name ")