hibernate增删改查

SessionFactory sf = new Configuration().configure().buildSessionFactory();Session session= sf.getCurrentSession();        session.beginTransaction();        //        //添加图书//        Books book = new Books();//        book.setName("aa");//        book.setPirce(23);//        book.setPublishTime(new Date());//        session.save(book);                //删除图书 id为11的图书        Books book =  (Books) session.get(Books.class, 11);        session.delete(book);        ////修改图书//        Books book =  (Books) session.get(Books.class, 11);//      book.setName("bb");//      book.setPirce(23);//      book.setPublishTime(new Date());//      session.update(book);                //查询图书//List list = session.createQuery("from Books as b where b.name = ?").setString(0, "哈利波特").list();//Books b = (Books)list.get(0);//System.out.println(b.getName());//        session.getTransaction().commit();