Hibernate学习笔记----------------一对一关系-优快云博客

本文介绍了使用Hibernate进行一对一关系映射的方法，通过具体的Person与IdCard类的映射配置文件，展示了如何设置外键关联及双向关联。

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一对一关系如人对应身份证，身份证从属与人------------>

<?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 package="com.itcast.domain"> <class name="Person" table="t_person" > <id name="id"> <generator class="native"/> </id> <property name="name" not-null="true" /> <one-to-one name="idCard"/> </class> </hibernate-mapping>

<?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 package="com.itcast.domain"> <class name="IdCard" table="t_idCard" > <id name="id"> <generator class="foreign"> <param name="property">person</param> </generator> </id> <property name="lifeDate" not-null="true" /> <one-to-one name="person"/> </class> </hibernate-mapping>