dljd_027_增改删在同一个事务中的默认执行顺序

package edu.aeon.test;


import org.hibernate.Session;
import org.hibernate.Transaction;

import edu.aeon.aeonutils.GetSessionUtil;
import edu.aeon.beans.Student;
/**
 * [说明]:测试增删改在同一事务环境下的默认执行顺序
 * 测试结果:默认执行顺序为:增加C、更新(U)、删除(D)
 * @author aeon
 *
 */
public class TestCRUD {
    public static void testCUD(/*Student student*/){
        Transaction transaction=null;
        try {
            Session session = GetSessionUtil.getSession();
            transaction = session.getTransaction();
            /**开启事务*/
            transaction.begin();
            /**一、执行删除操作(将stuid为1的学生删除)*/
            Student student1 =session.get(Student.class,1);
            session.delete(student1);
            /**二、执行更新操作(将stuid为2的用户的姓名改为:aeon)*/
            Student student2=session.get(Student.class, 2);
            student2.setStuName("aeon");
            session.update(student2);
            /**三、执行插入操作(插入一条用户名为：tuling、年龄为：30)*/
            Student student3=new Student("tuling",30);
            session.save(student3);
            transaction.commit();
            System.out.println("操作成功！");
        } catch (Exception e) {
            e.printStackTrace();
            transaction.rollback();
            System.out.println("操作失败！");
        }
    }
    public static void main(String[] args) {
        testCUD();
    }
}