onetoone hibernate配置

<?xml version="1.0" encoding="utf-8"?><!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN""http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"><hibernate-mapping auto-import="true" package="cn.veryedu.onetoone" schema="SCOTT"><class name="Husband" table="husband_table"><id column="husband_num" name="husbandNum"><generator class="increment"></generator></id><property name="name" column="name"></property><property name="age" column="age"></property><property name="height" column="height"></property><one-to-one name="wife" class="Wife"></one-to-one></class><class name="Wife" table="wife_table"><id column="wife_id" name="wifeId"><generator class="foreign"><param name="property">husband</param></generator></id><property name="name" column="name"></property><property name="age" column="age"></property><property name="height" column="height"></property><one-to-one name="husband" foreign-key="wife_id" class="Husband" constrained="true"></one-to-one></class></hibernate-mapping>