public async Task <IActionResult> Register(User user) { log.InfoFormat(" || Get into 注册"); if (!ModelState.IsValid) { log.Warn("注册验证模型验证失败"); } try { var u = await _loginManager.AddAsync(user); log.InfoFormat("注册成功" + (u != null ? Helper.JsonHelper.ToJson(u) : "")); ViewData["Message"] = "注册成功"; return(RedirectToAction("Loginin")); } catch (Exception e) { log.Error("注册失败,错误提示: " + Helper.JsonHelper.ToJson(e)); return(View("Error", e)); } }