public ActionResult CreateCategory(CreateCategoryViewModel model) { if (ModelState.IsValid) { IArticleManage articleManage = new ArticleManage(); articleManage.CreateCategory(model.CategoryName, userid: Guid.Parse(Session["userId"].ToString())); return(RedirectToAction("CategoryList")); } ModelState.AddModelError(key: "", errorMessage: "类型创建失败"); return(View(model)); }