//名称、时间查询
        public ActionResult Langley_query(string productName, string startTime, string endTime)
        {
            List <LangleyExperimentTable> lets = new List <LangleyExperimentTable>();

            if (startTime != "" && endTime != "")
            {
                DateTime st = Convert.ToDateTime(startTime);
                DateTime et = Convert.ToDateTime(endTime);
                lets = dbDrive.QueryLangleyExperimentTable(productName, st, et.AddDays(1), LangleyPublic.adminId);
            }
            else
            {
                lets = dbDrive.QueryLangleyExperimentTable(productName, LangleyPublic.adminId);
            }
            return(Json(new { code = 0, msg = "", count = lets.Count, data = LangleyPublic.Langley_lists(dbDrive, lets) }, JsonRequestBehavior.AllowGet));
        }
        //获取全部的兰利法实验并分页显示(前台带参访问)
        public ActionResult GetAllLangleysExperiment(int page = 1, int limit = 20)
        {
            List <LangleyExperimentTable> lets     = dbDrive.GetAllLangleyExperimentTables(LangleyPublic.adminId);
            List <LangleyExperimentTable> PagesLet = new List <LangleyExperimentTable>();
            int last  = lets.Count - (page - 1) * limit;
            int first = 0;

            if (page * limit < lets.Count)
            {
                first = lets.Count - page * limit;
            }
            for (int i = first; i < last; i++)
            {
                PagesLet.Add(lets[i]);
            }
            return(Json(new { code = 0, msg = "", fenye = 5, count = lets.Count, data = LangleyPublic.Langley_lists(dbDrive, PagesLet, first) }, JsonRequestBehavior.AllowGet));
        }