// 登录 public ActionResult Logins(string userName, string pwd) { MPMSEntities mpms = new MPMSEntities(); Users us = mpms.Users.FirstOrDefault(x => x.U_LoginName == userName && x.U_Password == pwd); if (us != null) { Session["Users"] = us; FormsAuthentication.SetAuthCookie((Session["Users"] as Users).U_LoginName, false); return(Json(true, JsonRequestBehavior.AllowGet)); } return(Json(false, JsonRequestBehavior.AllowGet)); }