package model;

import java.util.Date;

import java.util.HashSet;

import java.util.Set;

public class studentinfo {

	private Integer id;

	private String name;

	private String aihao;

	private Date sjina;

	private Set<studentxxb> studentxxbs=new HashSet<>();

	public studentinfo() {

		super();

	}

	public studentinfo(Integer id, String name, String aihao, Date sjina, Set<studentxxb> studentxxbs) {

		super();

		this.id = id;

		this.name = name;

		this.aihao = aihao;

		this.sjina = sjina;

		this.studentxxbs = studentxxbs;

	}

	@Override

	public String toString() {

		return "studentinfo [id=" + id + ", name=" + name + ", aihao=" + aihao + ", sjina=" + sjina + ", studentxxbs="

				+ studentxxbs + "]";

	}

	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 String getAihao() {

		return aihao;

	}

	public void setAihao(String aihao) {

		this.aihao = aihao;

	}

	public Date getSjina() {

		return sjina;

	}

	public void setSjina(Date sjina) {

		this.sjina = sjina;

	}

	public Set<studentxxb> getStudentxxbs() {

		return studentxxbs;

	}

	public void setStudentxxbs(Set<studentxxb> studentxxbs) {

		this.studentxxbs = studentxxbs;

	}

}

package model;

import java.util.Date;

public class studentxxb {

	private Integer id;

	private String dhua;

	private String diz;

	private studentinfo studentinfos;

	public studentxxb() {

		super();

	}

	public studentxxb(Integer id, String dhua, String diz, studentinfo studentinfos) {

		super();

		this.id = id;

		this.dhua = dhua;

		this.diz = diz;

		this.studentinfos = studentinfos;

	}

	@Override

	public String toString() {

		return "studentxxb [id=" + id + ", dhua=" + dhua + ", diz=" + diz + ", studentinfos=" + studentinfos + "]";

	}

	public Integer getId() {

		return id;

	}

	public void setId(Integer id) {

		this.id = id;

	}

	public String getDhua() {

		return dhua;

	}

	public void setDhua(String dhua) {

		this.dhua = dhua;

	}

	public String getDiz() {

		return diz;

	}

	public void setDiz(String diz) {

		this.diz = diz;

	}

	public studentinfo getStudentinfos() {

		return studentinfos;

	}

	public void setStudentinfos(studentinfo studentinfos) {

		this.studentinfos = studentinfos;

	}

}

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC

		"-//Hibernate/Hibernate Mapping DTD 3.0//EN"

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

<hibernate-mapping>

	<class name="model.studentinfo" table="studentinfo">

		<id name="id" column="id">

			<generator class="native"></generator>

		</id>

		<property name="name" column="name"></property>

		<property name="aihao" column="aihao"></property>

		<property name="sjina" column="sjina"></property>

		<set name="studentxxbs">

			<key>

				<column name="student_xxbs"></column>

			</key>

		<one-to-many class="model.studentxxb"/>

		</set>

	</class>

</hibernate-mapping>

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC

		"-//Hibernate/Hibernate Mapping DTD 3.0//EN"

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

<hibernate-mapping>

	<class name="model.studentxxb" table="studentxxb">

		<id name="id" column="id">

			<generator class="native"></generator>

		</id>

		<property name="dhua" column="dhua"></property>

		<property name="diz" column="diz"></property>
　　　　　　　　　　　　

		<many-to-one name="studentinfos" class="model.studentinfo" column="student_infos"></many-to-one>

	</class>

</hibernate-mapping>

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC

		"-//Hibernate/Hibernate Mapping DTD 3.0//EN"

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

<hibernate-mapping>

	<class name="model.studentinfo" table="studentinfo">

		<id name="id" column="id">

			<generator class="native"></generator>

		</id>

		<property name="name" column="name"></property>

		<property name="aihao" column="aihao"></property>

		<property name="sjina" column="sjina"></property>

		<set name="studentxxbs">

			<key>

				<column name="student_xxbs"></column>

			</key>

		<one-to-many class="model.studentxxb"/>

		</set>

	</class>

</hibernate-mapping>

package test;

import java.util.Date;

import org.hibernate.Session;

import org.hibernate.Transaction;

import org.hibernate.cfg.Configuration;

import model.studentinfo;

import model.studentxxb;

public class Testmain1 {

	public static void main(String[] args) {

			Session session=new Configuration().configure().buildSessionFactory().openSession();

			 Transaction tt=session.beginTransaction();

			 studentinfo studentinfo=new studentinfo();

			 studentinfo.setName("王胖子");

			 studentinfo.setAihao("爬山");

			 studentinfo.setSjina(new Date());

			 studentxxb xxb=new studentxxb();

			 xxb.setDiz("是是是");

			 xxb.setDhua("1111111");

			 studentinfo.getStudentxxbs().add(xxb);

			 xxb.setStudentinfos(studentinfo);

			 session.save(xxb);

			 session.save(studentinfo);

			 tt.commit();

			 session.close();

	}

}