public IActionResult AddExamModelMultiple(long id, [FromForm] ExamModel examModel) { string user; string Uid; Request.Cookies.TryGetValue("User", out user); Request.Cookies.TryGetValue("Uid", out Uid); var u = _UserService.InspectGuid(new TGuid { User = user, Uid = Uid, }); if (!ModelState.IsValid || u == null) { ModelState.AddModelError(string.Empty, "类型添加错误"); return(View(examModel)); } var str = Request.Form["AA"] + Request.Form["AB"] + Request.Form["AC"] + Request.Form["AD"]; examModel.Answer = str; examModel.User = u.UserName; examModel.QClassId = id; examModel.Multiple = true; _ExamService.AddExamModel(examModel); return(RedirectToAction(nameof(Index))); }