public ActionResult RelieveDetector(List <string> codes) { if (codes == null || codes.Count == 0) { return(Json(new AjaxResult() { Success = false, Message = "请选择设备!" })); } ; SmokeDetectorServices.DeleteClientSmokeDetector(codes, curentUser.UserSysNo); return(Json(new AjaxResult() { Success = true })); }