迎难而上

zhuhaisheng — Wed, 27 Jan 2010 09:24:47 GMT

不用解析，慢慢体会：迎难而上。

asp.net下记住用户名和密码（3）

zhuhaisheng — Wed, 27 Jan 2010 08:56:44 GMT

页面加载方法下：

                //用户名和密码显示 zhuhaisheng    2010.1.27
                HttpCookie UserNameCookie = GetFromCookie("UserNameCookie");
                HttpCookie UserPasswordCookie = GetFromCookie("UserPasswordCookie");
                if (UserNameCookie!= null)
                {
                    this.CheSave.Checked = true;
                    TxtUserName.Text=UserNameCookie.Values["UserName"];
                }
                if (UserPasswordCookie!= null)
                {
                    TxtUserPassword.Attributes["value"] = UserPasswordCookie.Values["UserPassWord"];
                }

asp.net下记住用户名和密码（2）

zhuhaisheng — Wed, 27 Jan 2010 08:54:51 GMT

//添加cookie记住用户名和密码 zhuhaisheng 2010.1.27

            HttpCookie UserNameCookie = GetFromCookie("UserNameCookie");
            HttpCookie UserPasswordCookie = GetFromCookie("UserPasswordCookie");

            if (this.CheSave.Checked)
            {
                //保存用户名和密码到cookie
                if (UserNameCookie == null)
                {
                    UserNameCookie = new HttpCookie("UserNameCookie");
                    UserNameCookie.Values.Add("UserName", TxtUserName.Text);
                    UserNameCookie.Expires = DateTime.Now.AddDays(30);
                    AddToCookie(UserNameCookie);
                }
                else if (UserNameCookie.Values["UserName"]!=(TxtUserName.Text))
                    SetToCookie("UserNameCookie", "UserName", TxtUserName.Text);

                if (UserPasswordCookie== null)
                {
                    UserPasswordCookie = new HttpCookie("UserPasswordCookie");
                    UserPasswordCookie.Values.Add("UserPassword",TxtUserPassword.Text);
                    UserPasswordCookie.Expires = DateTime.Now.AddDays(30);
                    AddToCookie(UserPasswordCookie);
                }
                else if (UserPasswordCookie.Values["UserPassword"]!= (TxtUserPassword.Text))
                    SetToCookie("UserPasswordCookie", "UserPassword", TxtUserPassword.Text);
            }
            else
            {
                //从cookie删除用户名和密码
                if (Response.Cookies["UserNameCookie"] != null)
                {
                    HttpCookie myCookie = new HttpCookie("UserNameCookie");
                    myCookie.Expires = DateTime.Now.AddDays(-1d);
                    Response.Cookies.Add(myCookie);
                }
                if (Response.Cookies["UserPasswordCookie"] != null)
                {
                    HttpCookie myCookie = new HttpCookie("UserPasswordCookie");
                    myCookie.Expires = DateTime.Now.AddDays(-1d);
                    Response.Cookies.Add(myCookie);
                }
            }

asp.net下记住用户名和密码（1）

zhuhaisheng — Wed, 27 Jan 2010 08:53:32 GMT

//保存用户名和密码到cookie使用到的方法   zhuhaisheng 2010.1.27
        #region 获取Cookie

        /// <summary>
        /// 获得Cookie的值
        /// </summary>
        /// <param name="cookieName"></param>
        /// <returns></returns>
        public string GetFromCookieValue(string CookieName)
        {
            return GetFromCookieValue(CookieName, null);
        }

        /// <summary>
        /// 获得Cookie的值
        /// </summary>
        /// <param name="cookieName"></param>
        /// <param name="key"></param>
        /// <returns></returns>
        public string GetFromCookieValue(string CookieName, string MyKey)
        {
            HttpRequest MyRequest = HttpContext.Current.Request;
            if (MyRequest != null)
                return GetFromCookieValue(MyRequest.Cookies[CookieName], MyKey);
            return "";
        }

        /// <summary>
        /// 获得Cookie的子键值
        /// </summary>
        /// <param name="cookie"></param>
        /// <param name="key"></param>
        /// <returns></returns>
        public string GetFromCookieValue(HttpCookie MyCookie, string MyKey)
        {
            if (MyCookie != null)
            {
                if (!string.IsNullOrEmpty(MyKey) && MyCookie.HasKeys)
                    return MyCookie.Values[MyKey];
                else
                    return MyCookie.Value;
            }
            return "";
        }

        /// <summary>
        /// 获得Cookie
        /// </summary>
        /// <param name="cookieName"></param>
        /// <returns></returns>
        public HttpCookie GetFromCookie(string CookieName)
        {
            HttpRequest MyRequest = HttpContext.Current.Request;
            if (MyRequest != null)
                return MyRequest.Cookies[CookieName];
            return null;
        }

        #endregion
        #region 设置/修改Cookie

        public void SetToCookie(string CookieName, string MyKey, string Value)
        {
            SetToCookie(CookieName, MyKey, Value, null);
        }

        /// <summary>
        /// 设置Cookie值
        /// </summary>
        /// <param name="key"></param>
        /// <param name="value"></param>
        public void SetToCookie(string MyKey, string Value)
        {
            SetToCookie(MyKey, null, Value, null);
        }

        /// <summary>
        /// 设置Cookie值和过期时间
        /// </summary>
        /// <param name="key"></param>
        /// <param name="value"></param>
        /// <param name="expires"></param>
        public void SetToCookie(string MyKey, string Value, DateTime Expires)
        {
            SetToCookie(MyKey, null, Value, Expires);
        }

        /// <summary>
        /// 设置Cookie过期时间
        /// </summary>
        /// <param name="cookieName"></param>
        /// <param name="expires"></param>
        public void SetToCookie(string CookieName, DateTime Expires)
        {
            SetToCookie(CookieName, null, null, Expires);
        }

        /// <summary>
        /// 设置Cookie
        /// </summary>
        /// <param name="cookieName"></param>
        /// <param name="key"></param>
        /// <param name="value"></param>
        /// <param name="expires"></param>
        public void SetToCookie(string CookieName, string MyKey, string Value, DateTime? Expires)
        {
            HttpResponse MyResponse = HttpContext.Current.Response;
            if (MyResponse != null)
            {
                HttpCookie Cookie = MyResponse.Cookies[CookieName];
                if (Cookie != null)
                {
                    if (!string.IsNullOrEmpty(MyKey) && Cookie.HasKeys)
                        Cookie.Values.Set(MyKey, Value);
                    else
                        if (!string.IsNullOrEmpty(Value))
                            Cookie.Value = Value;
                    if (Expires != null)
                        Cookie.Expires = Expires.Value;
                    MyResponse.SetCookie(Cookie);
                }
            }

        }

        #endregion
        #region 添加Cookie

        /// <summary>
        /// 添加Cookie
        /// </summary>
        /// <param name="key"></param>
        /// <param name="value"></param>
        public void AddToCookie(string key, string value)
        {
            AddToCookie(new HttpCookie(key, value));
        }

        /// <summary>
        /// 添加Cookie
        /// </summary>
        /// <param name="key"></param>
        /// <param name="value"></param>
        /// <param name="expires"></param>
        public void AddToCookie(string key, string value, DateTime expires)
        {
            HttpCookie cookie = new HttpCookie(key, value);
            cookie.Expires = expires;
            AddToCookie(cookie);
        }

        /// <summary>
        /// 添加为Cookie.Values集合
        /// </summary>
        /// <param name="cookieName"></param>
        /// <param name="key"></param>
        /// <param name="value"></param>
        public void AddToCookie(string cookieName, string key, string value)
        {
            HttpCookie cookie = new HttpCookie(cookieName);
            cookie.Values.Add(key, value);
            AddToCookie(cookie);
        }

        /// <summary>
        /// 添加为Cookie集合
        /// </summary>
        /// <param name="cookieName">Cookie名称</param>
        /// <param name="expires">过期时间</param>
        public void AddToCookie(string cookieName, DateTime expires)
        {
            HttpCookie cookie = new HttpCookie(cookieName);
            cookie.Expires = expires;
            AddToCookie(cookie);
        }

        /// <summary>
        /// 添加为Cookie.Values集合
        /// </summary>
        /// <param name="cookieName"></param>
        /// <param name="key"></param>
        /// <param name="value"></param>
        /// <param name="expires"></param>
        public void AddToCookie(string cookieName, string key, string value, DateTime expires)
        {
            HttpCookie cookie = new HttpCookie(cookieName);
            cookie.Expires = expires;
            cookie.Values.Add(key, value);
            AddToCookie(cookie);
        }

        /// <summary>
        /// 添加Cookie
        /// </summary>
        /// <param name="cookie"></param>
        public void AddToCookie(HttpCookie cookie)
        {
            HttpResponse response = HttpContext.Current.Response;
            if (response != null)
            {
                //指定客户端脚本是否可以访问[默认为false]
                cookie.HttpOnly = true;
                //指定统一的Path，比便能通存通取
                cookie.Path = "/";
                //设置跨域,这样在其它二级域名下就都可以访问到了
                //cookie.Domain = "chinesecoo.com";
                response.AppendCookie(cookie);
            }
        }

        #endregion

诗歌回忆一首

zhuhaisheng — Thu, 21 Jan 2010 05:04:32 GMT

每天前进一小步

迎难而上

asp.net下记住用户名和密码（3）

asp.net下记住用户名和密码（2）

asp.net下记住用户名和密码（1）

诗歌回忆一首

锄禾

锄禾日当午，
汗滴和下土。
谁知盘中餐，
粒粒皆辛苦。

每天前进一小步

迎难而上

asp.net下记住用户名和密码（3）

asp.net下记住用户名和密码（2）

asp.net下记住用户名和密码（1）

诗歌回忆一首

锄禾

锄禾日当午， 汗滴和下土。 谁知盘中餐， 粒粒皆辛苦。

锄禾日当午，
汗滴和下土。
谁知盘中餐，
粒粒皆辛苦。