Hibernate框架—— 一對一映射（共享主鍵方式雙向關聯）

package key;

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;
	}
	

}

//Person映射

<hibernate-mapping>
    <class name="key.Person" table="PERSON" lazy="true">
        <id name="id" type="int">
            <column name="ID" />
            <generator class="native" />
        </id>
        <property name="name" type="java.lang.String">
            <column name="NAME" />
        </property>
        <one-to-one name="idcard" class="key.IdCard" fetch="join" cascade="all"></one-to-one>
    </class>
</hibernate-mapping>

package key;

public class IdCard {
	private int id;
	private String cardNO;
	private Person person;
	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;
	}
	public Person getPerson() {
		return person;
	}
	public void setPerson(Person person) {
		this.person = person;
	}
	

}

<hibernate-mapping>
    <class name="key.IdCard" table="IDCARD">
        <id name="id" type="int">
            <column name="ID" />
            <generator class="foreign" ><param name="property">person</param></generator>
        </id>
        <property name="cardNO" type="java.lang.String">
            <column name="CARDNO" />
        </property>
        <one-to-one name="person" class="key.Person" constrained="true"></one-to-one>
    </class>
</hibernate-mapping>

package key;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;

public class test {

	public static void main(String[] args) {
		Configuration configuration =new Configuration().configure();
        ServiceRegistry serviceregistry=new StandardServiceRegistryBuilder().applySettings(configuration.getProperties()).build();
        SessionFactory sessionfactory=new Configuration().configure().buildSessionFactory();
        Session session=sessionfactory.openSession();
        Transaction transation=session.beginTransaction();
        Person person=new Person();
        person.setName("李四");
        IdCard idCard =new IdCard();
        idCard.setCardNO("12345");
        idCard.setPerson(person);
        session.save(person);
        session.save(idCard);
        
       
        
        transation.commit();
        
        
	}

}