Ajax下载文件

var xhr = new XMLHttpRequest();
xhr.open('GET', 'https://client.armani.cn/api/admin/event/getReservationListDownload');
xhr.responseType = 'blob';
xhr.setRequestHeader('Armani-Miniapp-Admin-Token', 'miniapp_admin:eflStluhwiV6DgTM8jOBv4i7fWVvDwCP:1686716392:1683680');
xhr.onload = function() {
  var blob = xhr.response;
  const link = document.createElement('a');
  link.href = URL.createObjectURL(blob);
  link.download = 'filename';
  document.body.appendChild(link);
  link.click();
  document.body.removeChild(link);
};

xhr.send();