public async Task <IActionResult> AddAsync()
        {
            Dictionary <string, object> data = await GetPostDataAsync();

            if (data.Count < 1)
            {
                return(Json(new WebApiResult <object> {
                    code = ResultCode.MISSING_ARGUMENT, message = "未提交记录的数据."
                }));
            }
            TestDataItemService service = DataService.Get <TestDataItemService>(dbCollection.Current);

            service.Add(data, service.ItemsTable);
            return(Json(new WebApiResult <object> {
                code = ResultCode.STATE_OK, message = string.Empty
            }));
        }