anyone can give me some suggestion?thanks



wch2001 wrote:
> 
> Dear all,
> 
> For some reason, I have 2 dropdownchoice(year and month) , according to
> year and month  to decide the filename ,  then click button to download
> file.
> 
> for the ajaxsubmitLink, my code is below, now once the file is existed,
> that mean after running: getRequestCycle().setRequestTarget(new
> RedirectRequestTarget(url));
> , there is one page to select the location and download the file, but
> after that, the page stop, i mean i can not click the "uLink" again, 
> 
> anyone can give me some suggestion?
> 
> thank you very much
> 
> 
> 
> 
>         AjaxSubmitLinkWithIndicator uLink = new
> AjaxSubmitLinkWithIndicator("uLink", form) {
> 
>             protected void onSubmit(AjaxRequestTarget target, Form form) {
> 
>                 System.out.println("on click
> AjaxSubmitLinkWithIndicator...........");
>                 System.out.println("dobPanel.getDob() :" +
> dobPanel.getDob());
> 
>                 Calendar calendar = Calendar.getInstance();
>                 calendar.setTime(dobPanel.getDob());
>                 System.out.println("calendar.get(Calendar.YEAR) :" +
> calendar.get(Calendar.YEAR));
>                 System.out.println("calendar.get(Calendar.MONTH) :" +
> calendar.get(Calendar.MONTH));
> 
>                 final String fn = orgDetailName + "_m_" +
> calendar.get(Calendar.YEAR) + "_" + (calendar.get(Calendar.MONTH) + 1) +
> ".csv";
>                 logger.error("fn:" + fn);
> 
>                 path = wholePath + calendar.get(Calendar.YEAR);
>                 logger.error("path.trim() + '/' + fn):" + path.trim() +
> "/" + fn);
> 
>                 final File f1 = new File(path.trim() + "/" + fn);
>                 if (f1.exists()) {
>                     ResourceReference rf = new ResourceReference("") {
> 
>                         @Override
>                         protected WebResource newResource() {
>                             return new WebResource() {
> 
>                                 @Override
>                                 public IResourceStream getResourceStream()
> {
>                                     //  throw new
> UnsupportedOperationException("Not supported yet.");
> 
>                                     String endWithString =
> fn.substring(fn.indexOf(".") + 1, fn.length());
> 
>                                     String contentType =
> FileTypeMapping.getInstance().get(endWithString);
> 
>                                     if (fn.endsWith("xlsx")) {
>                                         FileUtility fileUtil = new
> FileUtility();
>                                         byte[] bytes =
> fileUtil.getBytesFromFile(f1);
> 
>                                         return new
> ByteArrayResourceStream(bytes, contentType);
> 
>                                     } else if (fn.endsWith("csv")) {
>                                         CharSequence maps =
> generateCsvFile(f1);
> 
>                                         return new
> StringResourceStream(maps, contentType);
> 
>                                     } else {
>                                         return null;
>                                     }
>                                 }
> 
>                                 @Override
>                                 protected void setHeaders(WebResponse
> response) {
>                                     super.setHeaders(response);
>                                     response.setAttachmentHeader(fn);
>                                 }
>                             };
>                         }
>                         ;
>                     };
> 
>                     String url =
> getRequestCycle().get().urlFor(rf).toString();
>                     logger.error("url:" + url);
>                     getRequestCycle().setRequestTarget(new
> RedirectRequestTarget(url));
> 
>                 } else {
> 
>                     cfp.info("There is no file for the day.");
>                     cfp.setVisible(true);
>                     target.addComponent(cfp);
>                 }
>             }
> 
>         };
>  
> 

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