public IActionResult DelSort(SortManage model) { if (ModelState.IsValid) { //判断栏目名是否存在 if (_sort.IsSortExisted(model.DelName)) { _sort.DelSort(model.DelName); ViewBag.DelSuccess = "Success"; return(View("ManageSort")); } else { ViewBag.DelError = "Fail"; return(View("ManageSort")); } } return(View("ManageSort")); }