<?xml version='1.0' encoding='utf-8'?>

<!DOCTYPE hibernate-configuration PUBLIC

"-//Hibernate/Hibernate Configuration DTD 3.0//EN"

"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">

<hibernate-configuration>

<session-factory>

<!-- Database connection settings -->

<property name="connection.driver_class">com.mysql.jdbc.Driver</property>

<property name="connection.url">jdbc:mysql://localhost:3306/hibernate</property>

<property name="connection.username">root</property>

<property name="connection.password">123456</property>

<!-- SQL dialect -->

<property name="dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property>

<!-- Echo all executed SQL to stdout -->

<property name="show_sql">true</property>

<!-- Drop and re-create the database schema on startup -->

<property name="hbm2ddl.auto">update</property>

<!-- Names the annotated entity class -->

<mapping class="com.ij34.dao.Address"/>

<mapping class="com.ij34.dao.People"/>

</session-factory>

</hibernate-configuration>

package com.ij34.dao;

import javax.persistence.*;

@Entity

@Table(name="people_inf")

public class People implements java.io.Serializable{

    private static final long serialVersionUID = 1L;

    @Id @Column(name="people_id")

    @GeneratedValue(strategy=GenerationType.IDENTITY)

    private Integer id;

    private String name;

    private int age;

    @OneToOne(targetEntity=Address.class, mappedBy="people")

    private Address address;

    public Integer getId() {

        return id;

    }

    public void setId(Integer id) {

        this.id = id;

    }

    public String getName() {

        return name;

    }

    public void setName(String name) {

        this.name = name;

    }

    public int getAge() {

        return age;

    }

    public void setAge(int age) {

        this.age = age;

    }

    public Address getAddress() {

        return address;

    }

    public void setAddress(Address address) {

        this.address = address;

    }

}

package com.ij34.dao;

import javax.persistence.*;

@Entity

@Table(name="Address_inf")

public class Address{

    @Id @Column(name="address_id")

    @GeneratedValue(strategy=GenerationType.IDENTITY)

    private int addressId;

    private String message;

    @OneToOne(targetEntity=People.class)

    @JoinColumn(name="people_id" ,referencedColumnName="people_id" ,unique=true)

    private People people;

    public int getAddressId() {

        return addressId;

    }

    public void setAddressId(int addressId) {

        this.addressId = addressId;

    }

    public String getMessage() {

        return message;

    }

    public void setMessage(String message) {

        this.message = message;

    }

    public People getPeople() {

        return people;

    }

    public void setPeople(People people) {

        this.people = people;

    }

}

package com.ij34.web;

    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.*;

import com.ij34.dao.Address;

import com.ij34.dao.People;

    public class test01 {

    public static void main(String[] args)throws Exception {

    //实例化Configuration

    Configuration conf=new Configuration().configure();

    ServiceRegistry SR=new StandardServiceRegistryBuilder().applySettings(conf.getProperties()).build();

    // 以Configuration实例创建SessionFactory实例

    SessionFactory SF=conf.buildSessionFactory(SR);

    //create session

    Session session=SF.openSession();

    //start 事务

    Transaction tx=session.beginTransaction();

    People person = new People();

    person.setAge(29);

    // 为复合主键的两个成员设置值

   People people=new People();

   people.setAge(22);

   people.setName("*");

   Address a=new Address();

   a.setMessage("广州");

   a.setPeople(people);

   session.save(people);

   session.persist(a);

    tx.commit();

    session.close();

    SF.close();

    }

    }