title: response to ajax with file doesn't work
body: <p>I use jquery jtable send ajax to get excel file from server but Response::download doesn't work </p>
  
  <pre><code>  $writer = (new WriterFactory())-&gt;createWriter(new  Excel5(public_path().'/file/myExport.xls'));
    $phpExcel = $writer-&gt;convert($workbook);
    $writer-&gt;write($phpExcel);
  
   Response::download(public_path().'\file\myExport.xls');
  </code></pre>