C#中Cookie的存取操作

最新推荐文章于 2023-08-08 14:24:16 发布

转载最新推荐文章于 2023-08-08 14:24:16 发布 · 191 阅读

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/yuanjinhui123/archive/2009/05/13/1456104.html

本文介绍了ASP.NET中Cookie的基本操作方法，包括如何保存和读取Cookie。通过使用静态方法，可以轻松设置Cookie的有效期及域，并从当前请求中获取指定名称的Cookie值。

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    #region Cookie的操作：Cookie的读取、Cookie的保存
    /// <summary>
    /// 静态方法：保存Cookie
    /// </summary>
    /// <param name="_name">名称</param>
    /// <param name="_value">参数</param>
    public static void SaveCookie(Hashtable Hash, int _remberme, string _CookieName)
    {
        string DoMain = "";
        string[] Arr = HttpContext.Current.Request.Url.Host.Split('.');
        for (int i = 1; i < Arr.Length; i++)
        {
            DoMain += "." + Arr[i];
        }
        if (_CookieName == "")
        {
            _CookieName = ConfigurationManager.AppSettings["CookieName"];
        }
        HttpCookie Cookie = new HttpCookie(_CookieName);
        foreach (DictionaryEntry entry in Hash)
        {
            Cookie[entry.Key.ToString()] = entry.Value.ToString();
        }
        //Cookie.Domain = ConfigurationManager.AppSettings["CookieDoMain"];
        if (_remberme == 1)
        {
            Cookie.Expires=DateTime.UtcNow.AddDays(30);
        }
        else
        {
            Cookie.Expires=DateTime.UtcNow.AddDays(1);
        }
        Cookie.Domain = DoMain;
        HttpContext.Current.Response.Cookies.Add(Cookie);
    }

    /// <summary>
    /// 静态方法：读取Cookie的值
    /// </summary>
    /// <param name="_name"></param>
    /// <returns></returns>
    public static string GetCookie(string _name)
    {
        HttpCookie Cookie = HttpContext.Current.Request.Cookies.Get(ConfigurationManager.AppSettings["CookieName"]);
        if (Cookie != null)
        {
            string DoMain = "";
            string[] Arr = HttpContext.Current.Request.Url.Host.Split('.');
            for (int i = 1; i < Arr.Length; i++)
            {
                DoMain += "." + Arr[i];
            }
            Cookie.Domain = DoMain;
            return Cookie[_name];
        }
        else
        {
            return "";
        }

    }
    /// <summary>
    /// 静态方法：读取Cookie的值
    /// </summary>
    /// <param name="_name"></param>
    /// <returns></returns>
    public static string GetCookie(string _name,string _CookieName)
    {
        if (_CookieName == "")
        {
            _CookieName = ConfigurationManager.AppSettings["CookieName"];
        }
        HttpCookie Cookie = HttpContext.Current.Request.Cookies.Get(_CookieName);
        if (Cookie != null)
        {
            string DoMain = "";
            string[] Arr = HttpContext.Current.Request.Url.Host.Split('.');
            for (int i = 1; i < Arr.Length; i++)
            {
                DoMain += "." + Arr[i];
            }
            Cookie.Domain = DoMain;
            return Cookie[_name];
        }
        else
        {
            return "";
        }

    }
    #endregion

转载于:https://www.cnblogs.com/yuanjinhui123/archive/2009/05/13/1456104.html