package com.entity;
/**
 * 自身一对多关系案例
 */

import org.hibernate.Session;

import com.util.HibernateSessionFactory;

public class HibernateTest {

 /**
  * @param args
  */
 public static void main(String[] args) {
  HibernateTest hibernateTest = new HibernateTest();
  hibernateTest.addThirdLevel();
 }

 /**
  * 添加一级分类
  */
 public void addFirstLevel(){
  Session session = HibernateSessionFactory.getSessionFactory().getCurrentSession();
  session.beginTransaction();
  //添加一级分类
  Category c1 = new Category();
  c1.setName("个人化妆");
  c1.setDescription("个人化妆");
  c1.setLevel(1);
  Category c2 = new Category();
  c2.setName("运动户外");
  c2.setDescription("运动户外");
  c2.setLevel(1);
  
  session.save(c1);
  session.save(c2);
  session.beginTransaction().commit();
 }

 /**
  * 添加二级分类
  */
 public void addSecondLevel(){
  Session session = HibernateSessionFactory.getSessionFactory().getCurrentSession();
  session.beginTransaction();
  //为家用电器添加二级分类
  Category c1 = new Category();
  c1.setName("大家电");
  c1.setDescription("大家电");
  c1.setLevel(2);
  
  Category c2 = new Category();
  c2.setName("生活家电");
  c2.setDescription("生活家电");
  c2.setLevel(2);
  
  //父类
  Category parent = (Category) session.get(Category.class, 1);
  c1.setParentCategory(parent);
  c2.setParentCategory(parent);
  
  session.save(c1);
  session.save(c2);
  session.beginTransaction().commit();
 }
 
 /**
  * 添加三级分类
  */
 public void addThirdLevel(){
  Session session = HibernateSessionFactory.getSessionFactory().getCurrentSession();
  session.beginTransaction();
  //为大家电添加三级分类
  Category c1 = new Category();
  c1.setName("平板电视");
  c1.setDescription("平板电视");
  c1.setLevel(2);
  
  
  Category c2 = new Category();
  c2.setName("空调");
  c2.setDescription("空调");
  c2.setLevel(2);
  
  //父类
  Category parent = (Category) session.get(Category.class, 4);
  c1.setParentCategory(parent);
  c2.setParentCategory(parent);
  
  session.save(c1);
  session.save(c2);
  session.beginTransaction().commit();
 }
 
}

 

查看数据添加结果