spring2.5注解配置问题

<context:component-scan base-package="org.net.booknet"/>
 
 <bean id="DataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
  <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
  <property name="url" value="jdbc:mysql://localhost:3306/aaa?useUnicode=true&amp;characterEncoding=UTF-8"></property>
  <property name="username" value="root"></property>
  <property name="password" value="root"></property>  
 </bean>
 
 <bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
  <property name="dataSource">
   <ref bean="DataSource" />
  </property>
  <property name="hibernateProperties">
   <props>
    <prop key="hibernate.max_fetch_depth">3</prop>
    <prop key="hibernate.hbm2ddl.auto">update</prop>
    <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
   </props>
  </property>
  <property name="annotatedClasses">
   <list>
    <value>org.net.booknet.vo.User</value>
    <value>org.net.booknet.vo.Admin</value>
   </list>
  </property>
 </bean>
 
 <bean id="baseDAO" class="org.net.booknet.dao.impl.BaseDAO" abstract="true">
  <property name="sessionFactory">
   <ref bean="sessionFactory"/> 
  </property>
 </bean>
  
 <bean id="userDAO" class="org.net.booknet.dao.impl.UserDAO" parent="baseDAO"></bean>
我的userDAO怎么通过@Repository注解的方式交给spring容器进行管理！！！