[JavaScript知识库]react 下载 excel 文件

//导出excel记录
  const exportExcel = async () => {
    //请求后台导出excel数据
    try {
      var oReq = new XMLHttpRequest();
      var url = '/url';
      var title = '**数据';
      oReq.open('GET', url, true);
      oReq.responseType = 'blob';
      oReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
      oReq.onload = (oEvent) => {
        var content = oReq.response;
        var elink = document.createElement('a');
        elink.download = title + '记录表.xlsx';//xlsx    因为后台输入是scv格式，用xlsx显示的不理想
        elink.style.display = 'none';
        var blob = new Blob([content]);
        elink.href = URL.createObjectURL(blob);
        document.body.appendChild(elink);
        elink.click();
        document.body.removeChild(elink);
      };

      oReq.send();
    } catch (error) {
      message.error('导出excel记录出现异常'!)
    }
  }