public ActionResult doRegeist(User user) { User user1 = (User)Session["loginUser"]; if (user1 != null) { return(RedirectToAction("frame", "User")); } Src.Dao.UserDao dao = new Src.Dao.UserDao(); if (dao.findUserByEmail(user.email) != null) { ViewData["msg"] = "注册失败"; ViewData["result"] = "对不起,这个邮箱账号已经被注册"; } else { if (dao.save(user) > 0) { ViewData["msg"] = "注册成功"; ViewData["result"] = "欢迎你,您已成功注册<strong> CGit</strong > 账号"; } else { ViewData["msg"] = "注册失败"; ViewData["result"] = "对不起,由于服务器的原因可能注册失败"; } } return(View("registerResult")); }