从google表单中检索上传文件的url

function getUploadedFileUrl() {
  var form = FormApp.getActiveForm();
  var formResponses = form.getResponses();
  var latestResponse = formResponses[formResponses.length - 1];
  var itemResponses = latestResponse.getItemResponses();
  
  for (var i = 0; i < itemResponses.length; i++) {
    var itemResponse = itemResponses[i];
    var item = itemResponse.getItem();
    
    if (item.getType() == FormApp.ItemType.FILE_UPLOAD) {
      var fileUrl = itemResponse.getResponse();
      Logger.log('Uploaded file URL: ' + fileUrl);
      return fileUrl;
    }
  }
  
  return null;
}