/// <summary> /// 根据情景ID获取MAC /// </summary> /// <param name="Id"></param> /// <returns></returns> public JsonResult GetSceneMAC(int?Id) { if (Id <= 0) { return(Json(new { data = "", message = "数据异常" }, JsonRequestBehavior.AllowGet)); } string sql = _config.GetSceneMAC + Id + _config.AP; var a = dbhelper.ExecuteScalar(sql); return(Json(new { data = a, message = "数据正常" }, JsonRequestBehavior.AllowGet)); }