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mvc+三层 网站项目:用户登录+页面权限

第一:新建 Areas文件夹,Login文件夹(controllers,Models,Views) 括号里面为文件夹下的文件夹

第二:新建控制器 HomeController

public ActionResult login()

{

return View();

}

第三:在Models下新建,Login类,RetInfo类

 public class Paramlogin:RetInfo//引用RetInfo类
    {
        /// <summary>
        /// 用户名
        /// </summary>
        [DisplayName("用户名")]
        [Required(ErrorMessage = "必填")]
        public string UserName { get; set; }
        //123123123

        /// <summary>
        /// 密码
        /// </summary>
        [DisplayName("密码")]
        [Required(ErrorMessage = "必填")]
        [StringLength(20, MinimumLength = 6, ErrorMessage = "密码长度必须在{2} 和{1}个字符")]
        [DataType(DataType.Password)]

第三:在Models下新建RetInfo类

  public class RetInfo
    {
        /// <summary>
        /// 信息
        /// </summary>
        public string Messge { get; set; }
    }

第四:login视图

@model YL.Web.Areas.login.Models.Paramlogin   
</head>
<body >
    <div >
        <div>
            <div>
                <h1 >YL</h1>

            </div>
            <h3>欢迎使用 YL</h3>
            @using (Html.BeginForm("login", null, FormMethod.Post))
            {
                <div >
                    @Html.TextBoxFor(m => m.UserName, new { @class = "form-control", @placeholder = "请输入用户名" })
                    @Html.ValidationMessageFor(m => m.UserName)
                </div>
                <div >
                    @Html.TextBoxFor(m => m.UserPwd, new { @class = "form-control", @placeholder = "密码", @type = "password" })
                    @Html.ValidationMessageFor(m => m.UserPwd)
                </div>
                 @Html.ValidationMessageFor(m => m.Messge)
                <button type="submit" >登 录</button>
                <p >
                    <a href="login.html#"><small>忘记密码了?</small></a> |<a href="@Url.Action("register")">注册一个新账号</a>
                </p>
            }
        </div>
    </div>
</body>
</html>

第五:login控制器

 #region 登录
        /// <summary>
        ///
        /// </summary>
        /// <returns></returns>
        public ActionResult login()
        {
         
            return View();
        }
        /// <summary>
        /// 登录
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        [HttpPost]
        public ActionResult login(Models.Paramlogin model)
        {
            if (ModelState.IsValid)
            {

                var data = new BLL.ManagerBLL().Getlogin(model.UserName);//获取数据


                if (data != null)
                {
                    if (model.UserPwd != data.UserPassWord)//判断密码是否相等
                    {
                        ModelState.AddModelError("Messge", "登录失败,账号或密码错误");
                        return View();
                    }
                    FormsAuthenticationTicket authTicket = new FormsAuthenticationTicket(
                        1, "",
                        DateTime.Now,
                        DateTime.Now.AddMinutes(30),
                        false,
                        "admins"
                        );
                    string encryptedTicket = FormsAuthentication.Encrypt(authTicket);
                    System.Web.HttpCookie authCookie = new System.Web.HttpCookie(FormsAuthentication.FormsCookieName, encryptedTicket);
                    System.Web.HttpContext.Current.Response.Cookies.Add(authCookie);
                }

                Session["UserInfo"] = data;//保存登录信息

                return RedirectToAction("MainFrame", "Home", new { Area = "Admin" });//登录后跳转后台界面
            }
            else
            {
                ModelState.AddModelError("Messge", "登录失败,账号或密码错误");
                return View();
            }

        }
        #endregion

 第五:新建base类

    public class Base : Controller
    {
        //定义一个基类的UserInfo对象
        public Manger UserInfo { get; set; }

        /// <summary>
        /// 重写基类在Action之前执行的方法
        /// </summary>
        /// <param name="filterContext"></param>
        protected override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            base.OnActionExecuting(filterContext);
            UserInfo = Session["UserInfo"] as Manger;

            //检验用户是否已经登录,如果登录则不执行,否则则执行下面的跳转代码
            if (UserInfo == null)
            {
                Response.Redirect("/login");
            }
        }
    }




原标题:mvc+三层 网站项目:用户登录+页面权限

关键词:登录

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