package com.ij34.dao;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Set;

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;

    @OneToMany(targetEntity=Address.class) //与另一个相比，没有mappedBy="people"

    @JoinTable(name="people_address"

    ,joinColumns=@JoinColumn(name="peopleId" ,referencedColumnName="people_id")

    ,inverseJoinColumns=@JoinColumn(name="addressId" ,referencedColumnName="address_id" ,unique=true)

    )

    private Set<Address> address=new HashSet<>();

    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 Set<Address> getAddress() {

        return address;

    }

    public void setAddress(Set<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;

    @ManyToOne(targetEntity=People.class)

    @JoinTable(name="people_address"

    ,joinColumns=@JoinColumn(name="addressId" ,referencedColumnName="address_id" ,unique=true)

    ,inverseJoinColumns=@JoinColumn(name="peopleId" ,referencedColumnName="people_id" )

    )

    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);

   Address a2=new Address();

   a2.setMessage("香港");

   people.getAddress().add(a2);

   session.persist(a);

   session.save(people);

   session.persist(a2);

    tx.commit();

    session.close();

    SF.close();

    }

    }