public IActionResult List([FromForm] int page, [FromForm] int pagesize)
        {
            int?groupId = null;

            if (HttpContext.Request.Form.ContainsKey("group"))
            {
                int tmp = -1;
                if (int.TryParse(HttpContext.Request.Form["group"].ToString(), out tmp))
                {
                    groupId = tmp;
                }
            }
            TestDataItemService           service     = DataService.Get <TestDataItemService>(dbCollection.Current);
            PaginatedCollection <dynamic> queryResult = service.Query(page, pagesize, groupId);

            if (queryResult == null)
            {
                return(Json(new WebApiResult <object> {
                    code = ResultCode.STATE_FAIL, message = "还没有测试数据."
                }));
            }
            return(Json(new WebApiResult <PaginatedCollection <dynamic> > {
                code = ResultCode.STATE_OK,
                data = queryResult
            }));
        }