MVC4制作网站教程第二章 用户密码修改2.3

一用户
1.1用户注册 
1.2用户登录 
1.3修改密码 

修改密码会用到一个UserChangePassword 模型类,先添加UserChangePassword类 

/// 
  /// 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; }
  }

用到了数据库的更新,先打开UserRepository.cs 修改Update函数

/// 
    /// 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;
    }

在修改密码时需要查出用户信息并更新,需要添加Find(string UserName) 函数 

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

好了打开UserController,添加ChangePassword Action 

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

添加强类型(UserChangePassword)视图,在视图中添加三个文本框,修改后的视图代码 

@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") }

修改UserController中[HttpPost]方式的ChangePassword()以实现修改密码,修改完成的代码如下: 

[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(); } }

    在上面的代码中用到了一个UserName属性,这个是在UserController添加的属性用于返回Cookie中保存的用户名 

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

    好了,浏览器中预览一下

    MVC4制作网站教程第二章 用户密码修改2.3_第1张图片 

    测试一下,OK,大功告成!

    以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。

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