C#标准响应数据

 public HttpResponseMessage UpdateModule(Mode mode)
        {
            var response = Process.Instance.ExecuteString(() =>
            {

                var count = DbHelper.ExecuteNonQuery(CommandType.Text, strSql.ToString(), parms);

                if (count < )
                {
                    resultMsg.ResultMsg = "更新失败";
                    return resultMsg.ToJson();
                }

                resultMsg.Result = ;
                resultMsg.total = ;
                resultMsg.ResultMsg = "更新成功";

                return resultMsg.ToJson();

            });

            return HttpHelper.ResponseMessagetoJson(response);
        }

public class Process
    {
        private static volatile Process _process = null;
        private readonly string returnMsg = "{\"RowsCount\":0,\"Result\":-1,\"ResultMsg\":\" api 500 error\",\"Rows\":null}";

        protected Process()
        {

        }

        /// <summary> Gets the instance
        /// </summary>
        public static Process Instance
        {
            get
            {
                if (_process == null)
                {
                    lock (typeof(Process))
                    {
                        if (_process == null)
                        {
                            _process = new Process();
                        }
                    }
                }
                return _process;
            }
        }

        public string ExecuteString(Func<string> action)
        {
            try
            {
                return action.Invoke();
            }
            catch (Exception ex)
            {
                Logger.Error(ex);
                return returnMsg;
            }
        }

        public dynamic ExecuteStringExtend(Func<dynamic> action)
        {
            try
            {
                return action.Invoke();
            }
            catch (Exception ex)
            {
                Logger.Error(ex);
                return returnMsg;
            }
        }

        public string ExecuteStringtran(Func<string> action,ITransactionManager tran)
        {
            try
            {
                return action.Invoke();
            }
            catch (Exception ex)
            {
                Logger.Error(ex);
                if (tran != null) tran.Rollback();
                return returnMsg;
            }
        }
    }

public static class HttpHelper
    {
        public static HttpResponseMessage ResponseMessagetoJsonExtnd(string str)
        {
            var response = new HttpResponseMessage(HttpStatusCode.OK);
            HttpContent content = response.Content;
            response.Content = new StringContent(str, Encoding.GetEncoding("UTF-8"), "text/html");
            return response;
        }

        public static HttpResponseMessage ResponseMessagetoJson(object obj)
        {
            string str;
            if ((obj is string) || (obj is char))
            {
                str = obj.ToString();
            }
            else
            {
                str = obj.ToJson();
            }
            var response = new HttpResponseMessage(HttpStatusCode.OK)
            {
                Content = new StringContent(str, Encoding.GetEncoding("UTF-8"), "text/html")
            };
            return response;
        }
        public static HttpResponseMessage ResponseMessagetoJsonExtend(string str)
        {
            var response = new HttpResponseMessage(HttpStatusCode.OK)
            {
                Content = new StringContent(str, Encoding.GetEncoding("UTF-8"), "text/html")
            };
            return response;
        }
    }