/// <summary>
 ///     上传数据
 /// </summary>
 /// <param name="data">待上传的数据</param>
 /// <param name="key">要保存的文件名称</param>
 /// <param name="token">上传凭证</param>
 /// <param name="extra">上传可选设置</param>
 /// <returns>上传文件后的返回结果</returns>
 public Task <HttpResult> UploadData(byte[] data, string key, string token, PutExtra extra)
 {
     return(_formUploader.UploadData(data, key, token, extra));
 }