cookie的使用和记住密码

喜欢ヅ旅行 2022-05-09 10:40 170阅读 0赞

后台：

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Web;
    using System.Web.Mvc;
    using WebApplication1.Models;
    
    namespace WebApplication1.Controllers
    {
        public class LoginController : Controller
        {
            // GET: Login
            public ActionResult Index()
            {
                //获取cookie
                HttpCookie getCookie = Request.Cookies["user"];
                userinfo user = new userinfo() { username = "",pwd = "",IsChecked="" };
                //判断cookie是否为null
                if (getCookie != null)
                {
                    user.username = getCookie.Values["username"];
                    user.pwd = getCookie.Values["pwd"];
                    user.IsChecked = "checked";
                }
                return View(user);
            }
    
            [HttpPost]
            public ActionResult IsLogin(userinfo user)
            {   
                //user.username = Request["username"];
                //user.pwd = Request["pwd"];
                //判断是否选中记住密码
                if (user.IsChecked == "on")
                {
                    //创建一个cookie
                    HttpCookie hc = new HttpCookie("user");
                    hc.Values["username"] = user.username;
                    hc.Values["pwd"] = user.pwd;
                    hc.Values["IsChecked"] = user.IsChecked;
                    hc.Expires = DateTime.Now.AddDays(2);//设置cookie过期时间
                    Response.Cookies.Add(hc);//添加cookie到集合中
                }
                else
                {
                    //获取cookie
                    HttpCookie getCookie = Request.Cookies["user"];
                    //判断cookie是否为null
                    if (getCookie != null)
                    {
                        //让cookie过期
                        Response.Cookies["user"].Expires = DateTime.Now.AddHours(-1);
                    }
                }
                return Redirect("~/Login/Sucess");
            }
            public ActionResult Sucess()
            {
                return View();
            }
        }
    }

页面：

@{
        ViewBag.Title = "Index";
    }
    @model WebApplication1.Models.userinfo
    
    <link href="~/Content/bootstrap.css" rel="stylesheet" />
    <script src="~/Scripts/bootstrap.js"></script>
    
    <div class="row"></div>
    <div class="container">
        <form action="~/Login/IsLogin" method="post">
            <div class="col-md-12">
                <div class="col-md-5"></div>
                <div class="col-md-2">
                    <div class="form-group">
                        <input type="text" name="username" id="username" value="@Model.username" />
                    </div>
                    <div></div>
                    <div class="form-group">
                        <input type="password" name="pwd" id="pwd" value="@Model.pwd"/>
                    </div><div class="checkbox">
                        <label>
                            <input type="checkbox" name="IsChecked" id="IsChecked" @Model.IsChecked > 记住密码
                        </label>
                    </div>
                    <div class="form-group">
                        <input type="submit" name="sub" id="sub" value="登录" />
                    </div>
                </div>
                <div class="col-md-5"></div>
            </div>
        </form>
    </div>