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  • 记住我功能实现

    一、登陆时记住我功能实现。

    1. 首先在前端界面添加一个单选框,当表单提交的时候会一起提交过来。同时单选框发送的属性值分为ture和false。

    <input type="submit" id="btnLogin" value="登录" class="login-btn" /><span id="errorMsg" style="font-size:14px;color:red;display:none"></span>
                                            <input type="checkbox" value="1" name="checkbox" />记住我

    2. 如果选中,也就是返回为ture,执行如下

     //如果选中记住我,那么将值存进cookie中
                    if (!string.IsNullOrEmpty(Request["checkbox"]))
                    {
                        HttpCookie cookie1 = new HttpCookie("cp1", userInfo.UName);
                        HttpCookie cookie2 = new HttpCookie("cp2", Common.WebCommon.GetMd5String(userInfo.UPwd));
                        cookie1.Expires = DateTime.Now.AddDays(2);
                        cookie2.Expires = DateTime.Now.AddDays(2);
                        Response.Cookies.Add(cookie1);
                        Response.Cookies.Add(cookie2);
                    }

    3. 当退出登陆时,清空cookie中的值

      //退出登陆
            #region 退出登陆
            [HttpPost]
            public ActionResult Quit()
            {
                Response.Cookies["cp1"].Expires = DateTime.Now.AddDays(-1);
                Response.Cookies["cp2"].Expires = DateTime.Now.AddDays(-1);
    
                if (Request.Cookies["sessionId"] != null)
                {
                    //首先获取到Memcache对应的cookies值。
                    string sessionId = Request.Cookies["sessionId"].Value;
                    object obj = Common.MemcacheHelper.Get(sessionId);
                    if (obj != null)
                    {
                        //Response.Cookies["sessionId"].Expires = DateTime.Now.AddDays(-1);
                        //UserInfo userinfo = obj as UserInfo;
                        UserInfo userinfo = Common.SerializeHelper.DeserializeToObject<UserInfo>(obj.ToString());
                        Loginuser = userinfo;
                        Common.MemcacheHelper.Set(sessionId, obj, DateTime.Now.AddDays(-1));//模拟滑动过期时间
                        Common.MemcacheHelper.Delete(sessionId);
    
                    }
                }
                //string str=Request.Cookies["sessionId"].Value;
                //Common.MemcacheHelper.Set(sessionId, obj, DateTime.Now.AddMinutes(20))
                //Common.MemcacheHelper.Delete(str);
                //Response.Cookies["sessionId"].Expires = DateTime.Now.AddDays(-1);
                //Request.Cookies.Clear();
                return Content("1");
                //return RedirectToAction("/Login/Index");    
            }
            #endregion
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  • 原文地址:https://www.cnblogs.com/wangjinya/p/10926761.html
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