public void addBasket(HttpServletRequest request, HttpServletResponse response){
		
		try{
		int bookId = Integer.parseInt(request.getParameter("bookId"));
		BookDAO bookdao = new BookDAO();
		Book book = bookdao.querryUseId(bookId);
		request.setAttribute("addBook", book);
		request.getRequestDispatcher("../userView/addBasket.jsp").forward(request, response);
		}catch(Exception e){
			
			e.printStackTrace();
		}
		}