title: UTF-8 Encoding name in downloaded file
body: <p>I'm trying to let the user download the excel file with japanese name. It seems that it works IE 8 only and other IE and firefox, it is not working. Kindly suggest me how to hadndle this.</p>
  
  <pre><code>String fileName = dateString+"_マイページ情報.xls";
  byte[] data = writer.getData();
  response.setContentType("application/ms-excel");
  response.setContentLength(data.length);
  response.setHeader("Expires:", "0"); // eliminates browser caching
  response.setHeader("Content-Disposition","attachment; filename="+URLEncoder.encode(fileName));
  </code></pre>