<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>

    <class name="com.xyy.domain.Idcard">

        <id name="id" type="java.lang.Integer">

            <column name="ID" />

            <generator class="foreign">

                <param name="property">person</param>

            </generator>

        </id>

        <property name="validate" type="java.util.Date">

            <column name="validate"/>

        </property>

        <!-- 配置one-to-one

        constrained:不配置，则不会自动生成外键列，配置了，则会生成外键列

         -->

        <one-to-one name="person" constrained="true"/>

    </class>

</hibernate-mapping>

<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>

    <class name="com.xyy.domain.Person">

        <id name="id" type="java.lang.Integer">

            <column name="ID" />

            <generator class="assigned"/>

        </id>

        <property name="name" type="java.lang.String">

            <column name="name"/>

        </property>

        <!-- 配置one-to-one -->

        <one-to-one name="idcard" />

    </class>

</hibernate-mapping>

            Person p1=new Person();

            p1.setId(2);

            p1.setName("scott1");

             

            Idcard idcard=new Idcard();

            idcard.setValidate(new Date());

            idcard.setPerson(p1);