hibernate一对一之独一外键关联(双向关联)
hibernate一对一之唯一外键关联(双向关联)
其内容与http://huihai.iteye.com/blog/1243530一样。只是映射文件Group.hbm.xml文件改成如下所示
<?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping> <class name="cn.ehoo.bean.Group" table="group1"> <id name="id" type="long" column="group_id"> <generator class="native" /> </id> <property name="groupName"/> <one-to-one name="user" class="cn.ehoo.bean.TUser" property-ref="group"></one-to-one> </class> </hibernate-mapping>