public ActionResult Edit(NavModel model, int id = -1) { NavInfo navInfo = AdminNavs.GetNavById(id); if (navInfo == null) return PromptView("导航不存在"); if (model.Pid == navInfo.Id) ModelState.AddModelError("Pid", "不能将自己作为父导航"); if (model.Pid != 0 && AdminNavs.GetNavById(model.Pid) == null) ModelState.AddModelError("Pid", "父导航不存在"); if (model.Pid != 0 && AdminNavs.GetSubNavList(navInfo.Id).Exists(x => x.Id == model.Pid)) ModelState.AddModelError("Pid", "不能将导航调整到自己子导航下"); if (ModelState.IsValid) { int oldPid = navInfo.Pid; navInfo.Pid = model.Pid; navInfo.Name = model.NavName; navInfo.Title = model.NavTitle == null ? "" : model.NavTitle; navInfo.Url = model.NavUrl; navInfo.Target = model.Target; navInfo.DisplayOrder = model.DisplayOrder; AdminNavs.UpdateNav(navInfo, oldPid); AddAdminOperateLog("修改导航", "修改导航,导航ID为:" + id); return PromptView("导航修改成功"); } Load(); return View(model); }