不能向页面传值

Question

protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { // 设置编码 req.setCharacterEncoding("UTF-8"); // 接受页面得值 String command = req.getParameter("command"); String description = req.getParameter("description"); // 想页面传值 req.setAttribute("command", command); req.setAttribute("description", description); QueryService  listService =  new QueryService(); // 数据传输值 req.setAttribute("messageList", listService.queryMessageList(command, description)); // 查询消息列表并传值 req.getRequestDispatcher("/WEB-INF/jsp/back/list.jsp").forward(req, resp); } @Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

Answer 1

页面传过来请求叫Request，你给页面传值叫Response。可是你一直在操作Request