下拉更改Jquery时的文件下载

<script src="https://cdn.jsdelivr.net/jquery/3.6.0/jquery.min.js"></script>

<select id="fileSelect">
  <option value="file1.txt">File 1</option>
  <option value="file2.txt">File 2</option>
  <option value="file3.txt">File 3</option>
</select>

$(document).ready(function() {
  $('#fileSelect').change(function() {
    var selectedFile = $(this).val();
    if (selectedFile) {
      var downloadLink = document.createElement('a');
      downloadLink.href = selectedFile;
      downloadLink.download = selectedFile;
      downloadLink.click();
    }
  });
});