前端下载文件流

const sessionData: any = sessionStorage.getItem("token");
  const tokenHead: any = sessionStorage.getItem("headerType");
  let params = {
    fileInfoId: row.fileInfoId,
    id: row.id,
    name: row.name,
  };
  axios({
    method: "post",
    url: apiConstatns.URL.META_BASE.FILE_DOWNDILE,
    data: params,
    responseType: "blob",
    headers: { Authorization: tokenHead + sessionData },
  }).then((res: any) => {
    let blob = new Blob([res.data], { type: "application/octet-stream" });
    const downloadElement = document.createElement("a");
    const headers = res.headers;
    const fileName = filterDate(row.createTime) + row.name;
    downloadElement.download = fileName;
    downloadElement.href = URL.createObjectURL(blob);
    document.body.appendChild(downloadElement);
    downloadElement.click();
    document.body.removeChild(downloadElement);
  });