ASP.NET MVC5网站开发用户登录、注销(五)_实用技巧_

 public ClaimsIdentity CreateIdentity(User user, string authenticationType) { ClaimsIdentity _identity = new ClaimsIdentity(DefaultAuthenticationTypes.ApplicationCookie); _identity.AddClaim(new Claim(ClaimTypes.Name, user.UserName)); _identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, user.UserID.ToString())); _identity.AddClaim(new Claim("http://schemas.microsoft.com/accesscontrolservice/2010/07/claims/identityprovider", "ASP.NET Identity")); _identity.AddClaim(new Claim("DisplayName", user.DisplayName)); return _identity; }

 #region 属性 private IAuthenticationManager AuthenticationManager { get { return HttpContext.GetOwinContext().Authentication; } } #endregion

 using System.ComponentModel.DataAnnotations; namespace Ninesky.Web.Areas.Member.Models { /// 
 /// 登录模型 ///  /// 创建：2014.02.16 ///  /// 
 public class LoginViewModel { /// 
 /// 用户名 /// 
 [Required(ErrorMessage = "必填")] [StringLength(20, MinimumLength = 4, ErrorMessage = "{2}到{1}个字符")] [Display(Name = "用户名")] public string UserName { get; set; } /// 
 /// 密码 /// 
 [Required(ErrorMessage = "必填")] [Display(Name = "密码")] [StringLength(20, MinimumLength = 6, ErrorMessage = "{2}到{1}个字符")] [DataType(DataType.Password)] public string Password { get; set; } /// 
 /// 记住我 /// 
 [Display(Name = "记住我")] public bool RememberMe { get; set; } } } 

 /// 
 /// 用户登录 /// 
 /// 返回Url ///  public ActionResult Login(string returnUrl) { return View(); }

 @model Ninesky.Web.Areas.Member.Models.LoginViewModel @{ ViewBag.Title = "会员登录"; } @using (Html.BeginForm()) { @Html.AntiForgeryToken() 
会员登录
 @Html.ValidationSummary(true) 
 @Html.LabelFor(model => model.UserName, new { @class = "control-label col-md-2" }) 
 @Html.EditorFor(model => model.UserName) @Html.ValidationMessageFor(model => model.UserName) 
 @Html.LabelFor(model => model.Password, new { @class = "control-label col-md-2" }) 
 @Html.EditorFor(model => model.Password) @Html.ValidationMessageFor(model => model.Password) 
 @Html.LabelFor(model => model.RememberMe, new { @class = "control-label col-md-2" }) 
 @Html.EditorFor(model => model.RememberMe) @Html.ValidationMessageFor(model => model.RememberMe) 
 } @section Scripts { @Scripts.Render("~/bundles/jqueryval") } 

 [ValidateAntiForgeryToken] [HttpPost] public ActionResult Login(LoginViewModel loginViewModel) { if(ModelState.IsValid) { var _user = userService.Find(loginViewModel.UserName); if (_user == null) ModelState.AddModelError("UserName", "用户名不存在"); else if (_user.Password == Common.Security.Sha256(loginViewModel.Password)) { var _identity = userService.CreateIdentity(_user, DefaultAuthenticationTypes.ApplicationCookie); AuthenticationManager.SignOut(DefaultAuthenticationTypes.ApplicationCookie); AuthenticationManager.SignIn(new AuthenticationProperties() { IsPersistent = loginViewModel.RememberMe }, _identity); return RedirectToAction("Index", "Home"); } else ModelState.AddModelError("Password", "密码错误"); } return View(); } 

 /// 
 /// 登出 /// 
 ///  public ActionResult Logout() { AuthenticationManager.SignOut(DefaultAuthenticationTypes.ApplicationCookie); return Redirect(Url.Content("~/")); }