//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));
        }