1 package com.helen.model; 2  3 public class People1 { 4     private int id; 5     private String name; 6     private int age; 7     private IDcard1 idcard; 8  9 10     public int getId() {11         return id;12     }13 14     public void setId(int id) {15         this.id = id;16     }17 18     public String getName() {19         return name;20     }21 22     public void setName(String name) {23         this.name = name;24     }25 26     public int getAge() {27         return age;28     }29 30     public void setAge(int age) {31         this.age = age;32     }33 34     public IDcard1 getIdcard() {35         return idcard;36     }37 38     public void setIdcard(IDcard1 idcard) {39         this.idcard = idcard;40     }41 42     43     44 }

 1 package com.helen.model; 2  3 public class IDcard1 { 4     private int id; 5     private String cardCode; 6     private People1 people; 7  8     public int getId() { 9         return id;10     }11 12     public void setId(int id) {13         this.id = id;14     }15 16     public String getCardCode() {17         return cardCode;18     }19 20     public void setCardCode(String cardCode) {21         this.cardCode = cardCode;22     }23 24     public People1 getPeople() {25         return people;26     }27 28     public void setPeople(People1 people) {29         this.people = people;30     }31 32 }

 1 <?xml version="1.0" encoding="utf-8"?> 2 <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" 3 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> 4 <hibernate-mapping> 5     <class name="com.helen.model.People1" table="t_PEOPLE"> 6 
 7         <id name="id" type="int"> 8             <column name="ID" /> 9             <generator class="native" />10         </id>

11 12         <property name="name" type="java.lang.String">13             <column name="NAME" />14         </property>15         <property name="age" type="int">16             <column name="AGE" />17         </property>18 19         <one-to-one name="idcard" class="com.helen.model.IDcard1" />20 
21     </class>22 </hibernate-mapping>

 1 <?xml version="1.0" encoding="utf-8"?> 2 <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" 3 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> 4 <hibernate-mapping> 5     <class name="com.helen.model.IDcard1" table="t_IDCARD"> 6  7         <id name="id" type="int"> 8             <column name="ID" /> 9             <generator class="foreign">            //外键10                 <param name="property">people</param>11             </generator>12         </id>13 14 15         <property name="cardCode" type="java.lang.String">16             <column name="CARDCODE" />17         </property>18 19 20         <one-to-one name="people" class="com.helen.model.People1"     constrained="true"> 22         </one-to-one>

23     </class>24 </hibernate-mapping>

 1 package com.helen.dao; 2  3 import org.hibernate.Session; 4 import org.hibernate.SessionFactory; 5 import org.hibernate.cfg.AnnotationConfiguration; 6 import org.hibernate.cfg.Configuration; 7  8 public class HibernateUtil { 9     private static SessionFactory sf;10     static {11         // sf = new AnnotationConfiguration().configure().buildSessionFactory();12         sf = new Configuration().configure().buildSessionFactory();13     }14 15     public static SessionFactory getSessionFactory() {16         return sf;17     }18 19     public static Session getSession() {20         return sf.openSession();21     }22 }

 1 package com.helen.test; 2  3 import org.hibernate.Session; 4  5 import com.helen.dao.HibernateUtil; 6 import com.helen.model.IDcard1; 7 import com.helen.model.People1; 8  9 public class Test {10     static Session session;11 12     public static void main(String args[]) {13 14         session = HibernateUtil.getSession();15         session.beginTransaction();16         People1 p = new People1();17         p.setName("Helen");18         p.setAge(21);19         IDcard1 idcard = new IDcard1();20         idcard.setCardCode("100111011012356");21         idcard.setPeople(p);22         session.save(idcard);23         session.getTransaction().commit();24         session.close();25     }26 27 }