React点击Button下载文件

let ele = document.createElement("a");
    ele.target = "_blank";
    ele.href = `/v4/web/superBeauty/space/saveActiveCode?spaceId=${spaceId}`;
    document.body.appendChild(ele);
    clickObj(ele);
    ele = null;
    // message.success("激活码保存成功");
    // 兼容火狐浏览器
    function clickObj(obj) {
      if (document.all) {
        obj.click();
      } else if (document.createEventObject) {
        obj.fireEvent("onclick");
      } else {
        var evt = document.createEvent("MouseEvents");
        evt.initEvent("click", true, false);
        obj.dispatchEvent(evt);
      }
    }