public async Task <IActionResult> Login(string loginName, string password) { //需要加入登录次数限制 if (string.IsNullOrEmpty(loginName) && string.IsNullOrEmpty(password)) { return(Json(new { code = 1, msg = "失败" })); } else { var user = await userInfoRepository.GetAsync(loginName, MD5Hash(password)); if (user != null) { //用户标识 var identity = new ClaimsIdentity(CookieAuthenticationDefaults.AuthenticationScheme); identity.AddClaim(new Claim(ClaimTypes.Sid, loginName)); identity.AddClaim(new Claim(ClaimTypes.Name, user.UserName)); identity.AddClaim(new Claim(ClaimTypes.Role, user.Permission.PermissionName)); await HttpContext.SignInAsync(CookieAuthenticationDefaults.AuthenticationScheme, new ClaimsPrincipal(identity)); //@User.Claims.SingleOrDefault(s=>s.Type==System.Security.Claims.ClaimTypes.Sid).Value 获取用户名 return(Redirect("index")); } return(Redirect("Login"));//Json(new { code = 1, msg = "失败" }); } }