//创建服务注册对象
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().configure().build();
//创建会话工厂对象
SessionFactory sessionFactory = new MetadataSources(serviceRegistry).buildMetadata().buildSessionFactory();
//会话对象
Session session = sessionFactory.openSession();
//开启事物
Transaction transaction = session.beginTransaction();
//输入实体类的信息
System.out.println("请依次输入：账号 密码");
int name=cin.nextInt();
String pwd=cin.next();
Admin admin=new Admin(name,pwd);
System.out.println(name+" :"+pwd);
//保存到数据库，持久化操作
session.save(admin);
//提交事务
transaction.commit();
//关闭会话
session.close();
//关闭会话工厂
sessionFactory.close();