//公告详情 public ActionResult Detail(long?id) { var model = new Notice(); if (id != null) { model = NoticeService.FindById(id); } else { model.BeginDate = DateTime.Now; model.ExpirationDate = DateTime.Now.AddDays(5); } ViewBag.shops = ListToSelect(WarehouseService.GetList().Select(o => new SelectListItem() { Value = o.StoreId, Text = o.Title }), emptyTitle: "全部"); ViewBag.state = EnumToSelect(typeof(NoticeState), selectValue: 0); return(View(model)); }