senparc 第三方授权回调，保存授权信息到文件

[HttpGet]
        public async Task<IActionResult> OpenOAuthCallback(string auth_code, string appletId)
        {
            try
            {
                #region 使用ComponentContainer
                //获取OAuth授权结果
                QueryAuthResult queryAuthResult;
                try
                {
                    queryAuthResult = ComponentContainer.GetQueryAuthResult(_senparcWeixinSetting.Component_Appid, auth_code, false);
                }
                catch (Exception ex)
                {
                    throw new Exception("QueryAuthResult：" + ex.Message);
                }
                #endregion
                if (queryAuthResult.authorization_info == null) return Json(queryAuthResult);
                var dir = Path.Combine(Environment.CurrentDirectory + @"/App_Data/AuthorizerInfo/" + _senparcWeixinSetting.Component_Appid);
                if (!Directory.Exists(dir))
                {
                    Directory.CreateDirectory(dir);
                }
                var file = Path.Combine(dir, string.Format("{0}.bin", queryAuthResult.authorization_info.authorizer_appid));
                //记录authorization_info（也可以存入数据库或其他可以持久化的地方）
                using (FileStream fs = new FileStream(file, FileMode.OpenOrCreate, FileAccess.ReadWrite))
                {
                    var bf = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
                    bf.Serialize(fs, new RefreshAuthorizerTokenResult { authorizer_access_token = queryAuthResult.authorization_info.authorizer_access_token, expires_in = queryAuthResult.authorization_info.expires_in, authorizer_refresh_token = queryAuthResult.authorization_info.authorizer_refresh_token });
                }

                //授权成功后，更新客户小程序信息 queryAuthResult.authorization_info.miniprograminf
                var getAuthorizerInfoResult = AuthorizerContainer.GetAuthorizerInfoResult(_senparcWeixinSetting.Component_Appid, queryAuthResult.authorization_info.authorizer_appid);
               
                return Json(queryAuthResult.authorization_info);
            }
            catch (ErrorJsonResultException ex)
            {
                return Content(ex.Message);
            }
        }