On 29 oct, 08:24, hbaydarov <[email protected]> wrote:
> I'm just writing a simple FormPanel and a servlet that handle it.
> However, there is a problem while getting parameter from FormPanel.
> What I want to say :
>
> formPanel.setEncoding(FormPanel.ENCODING_MULTIPART);
> formPanel.setMethod(FormPanel.METHOD_POST);
[...]
> protected void doPost(HttpServletRequest req, HttpServletResponse
> resp)
> throws ServletException, IOException {
>
> System.out.println(req.getParameter("name")); // null! why?
getParameter only works when data is sent in application/x-www-form-
urlencoded (as multipart/form-data might be very big and contain
attached files, it would cost too much to parse it ahead from a
getParameter(), and getParameter won't give you the uploaded files).
You have to use something like Apache Commons FileUpload to read/
decode a multipart/form-data payload: http://commons.apache.org/fileupload/
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