Hibernate一对多关系映射（双向映射）

12820171106

package com.tiger.main;

import java.util.*;
import org.hibernate.*;
import org.hibernate.cfg.Configuration;
import com.tiger.bean.*;
/**
 * 1 - n
 * @author tiger
 * @date 2017年11月6日
 */
public class Main_one_many {
  public static void main(String[] args) {
    Configuration cfg = new Configuration().configure("hibernate.cfg.xml");
    SessionFactory sf = cfg.buildSessionFactory();
    Session session = sf.openSession();
    Transaction tx = session.beginTransaction();

    Car[] cars = {new Car("法拉利"),
        new Car("兰博基尼"),
        new Car("布加迪")};
    Set
   
     carsSet = new HashSet<>();
    Collections.addAll(carsSet, cars);
    
    Student student = new Student();
    student.setName("小明");
    student.setCars(carsSet);
    
    session.save(student);
    
    tx.commit();
    
    session.close();
    sf.close();
  }
}