Hibernate _one to one 主键关联 XML配置

浏览数：18 / 时间：2015年06月20日

人与身份证一对一主键关联：

 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 }

XML 配置

 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>

SessionFactory:

 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 }

Test 类：

 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 }