MVC4制作网站教程第二章 用户密码修改2.3_实用技巧_

 /// 
 /// 用户修改密码模型 /// 
 [NotMapped] public class UserChangePassword { /// 
 /// 原密码 /// 
 [Display(Name = "原密码")] [Required(ErrorMessage = "×")] [StringLength(20, MinimumLength = 6, ErrorMessage = "×")] [DataType(DataType.Password)] public string Password { get; set; } /// 
 /// 新密码 /// 
 [Display(Name = "新密码", Description = "6-20个字符。")] [Required(ErrorMessage = "×")] [StringLength(20, MinimumLength = 6, ErrorMessage = "×")] [DataType(DataType.Password)] public string NewPassword { get; set; } /// 
 /// 确认密码 /// 
 [Display(Name = "确认密码", Description = "再次输入密码。")] [Compare("NewPassword", ErrorMessage = "×")] [DataType(DataType.Password)] public string ConfirmPassword { get; set; } }

 /// 
 /// 更新用户信息 /// 
 ///  ///  public override bool Update(User user) { dbContext.Users.Attach(user); dbContext.Entry(user).State = System.Data.EntityState.Modified; if (dbContext.SaveChanges() > 0) return true; else return false; } 

 /// 
 /// 查找用户 /// 
 /// 用户名 ///  public User Find(string UserName) { return dbContext.Users.SingleOrDefault(u => u.UserName == UserName); } 

 /// 
 /// 修改密码 /// 
 ///  [UserAuthorize] public ActionResult ChangePassword() { return View(); } [HttpPost] [UserAuthorize] public ActionResult ChangePassword() { return View(); } 

 @model Ninesky.Models.UserChangePassword @{ ViewBag.Title = "修改密码"; Layout = "~/Views/Shared/_Layout.cshtml"; } 
 @using (Html.BeginForm()) { @Html.ValidationSummary(true) 
修改密码
@Html.LabelFor(model => model.Password)：
@Html.PasswordFor(model => model.Password) @Html.ValidationMessageFor(model => model.Password) @Html.DisplayDescriptionFor(model => model.Password) 
@Html.LabelFor(model => model.NewPassword)：
@Html.PasswordFor(model => model.NewPassword) @Html.ValidationMessageFor(model => model.NewPassword) @Html.DisplayDescriptionFor(model => model.NewPassword) 
@Html.LabelFor(model => model.ConfirmPassword)：
@Html.PasswordFor(model => model.ConfirmPassword) @Html.ValidationMessageFor(model => model.ConfirmPassword) @Html.DisplayDescriptionFor(model => model.ConfirmPassword) 
@Html.ValidationMessage("Message") 
 } @section Scripts { @Scripts.Render("~/bundles/jqueryval") } 

 [HttpPost] [UserAuthorize] public ActionResult ChangePassword(UserChangePassword userChangePassword) { userRsy = new UserRepository(); if (userRsy.Authentication(UserName, Common.Text.Sha256(userChangePassword.Password)) == 0) { var _user = userRsy.Find(UserName); if (_user == null) { Error _e = new Error { Title = "修改密码失败", Details = "修改密码时，系统查询不到用户信息", Cause = Server.UrlEncode("
用户在修改密码界面停留的时间过长，登录信息已失效。
系统错误。
"), Solution = Server.UrlEncode("
返回修改密码页面，输入正确的信息后重新注册
联系网站管理员
") }; return RedirectToAction("Error", "Prompt", _e); } _user.Password = Common.Text.Sha256(userChangePassword.NewPassword); if (userRsy.Update(_user)) { Notice _n = new Notice { Title = "成功修改密码", Details = "您已经成功修改密码，请牢记您的新密码！", DwellTime = 5, NavigationName = "登陆页面", NavigationUrl = Url.Action("Login", "User") }; return RedirectToAction("Notice", "Prompt", _n); } else { Error _e = new Error { Title = "修改密码失败", Details = "修改密码时，更新数据库失败！", Cause = Server.UrlEncode("
系统错误。
"), Solution = Server.UrlEncode("
返回修改密码页面，输入正确的信息后重新注册
联系网站管理员
") }; return RedirectToAction("Error", "Prompt", _e); } } else { ModelState.AddModelError("Password", "原密码不正确，请重新输入"); return View(); } } 

 /// 
 /// 获取用户名 /// 
 public string UserName { get { HttpCookie _cookie = Request.Cookies["User"]; if (_cookie == null) return ""; else return _cookie["UserName"]; } }