ssh用户管理系统

成功的个人管理系统 blic class UserDao { public Serializable save(User u){ SessionFactory factory = HibernateUtil.getSessionFactory(); Session session = factory.openSession(); Serializable id = null; Transaction tran = null; try{ tran = session.beginTransaction(); id = session.save(u); tran.commit(); }catch(Exception exp){ exp.printStackTrace(); tran.rollback(); }finally{ if(null != null) session.close(); } return id; } public void delete(User u){