1.一对一外键单向关联(人对身份证):对象,hbm

package com.bjpowernode.hibernate;public class Person {private int id;private String name;private IdCard idCard;public int getId() {return id;}public void setId(int id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public IdCard getIdCard() {return idCard;}public void setIdCard(IdCard idCard) {this.idCard = idCard;}}

<?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="com.bjpowernode.hibernate.Person" table="t_person"><id name="id"><generator class="native"/></id><property name="name"/><many-to-one name="idCard" unique="true"/></class></hibernate-mapping>

package com.bjpowernode.hibernate;public class IdCard {private int id;private String cardNo;public int getId() {return id;}public void setId(int id) {this.id = id;}public String getCardNo() {return cardNo;}public void setCardNo(String cardNo) {this.cardNo = cardNo;}}

<?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="com.bjpowernode.hibernate.IdCard" table="t_idCard"><id name="id"><generator class="native"/></id><property name="cardNo"/></class></hibernate-mapping>