C#Cookie处理源代码

原创

义jsyhello 2022-11-18 12:01:47 博主文章分类：技术 ©著作权

文章标签 string null 项目管理 user 工作 文章分类 后端开发

©著作权归作者所有：来自51CTO博客作者义jsyhello的原创作品，请联系作者获取转载授权，否则将追究法律责任

        #region Cookie
        /// <summary>
        /// 添加Cookie 贾世义
        /// </summary>
        /// <param name="name">名称</param>
        /// <param name="key">键</param>
        /// <param name="value">值</param>
        /// <param name="days">保存天数</param>
        public static void CookieWrite(string name, string key, string value, int days)
        {
            if (HttpContext.Current != null)
            {
                HttpCookie cookie = HttpContext.Current.Request.Cookies[name];
                if (cookie == null)
                {
                    cookie = new HttpCookie(name);
                }
                if (String.IsNullOrEmpty(key))
                {
                    cookie.Value = value;
                }
                else
                {
                    cookie[key] = value;
                }
                if (String.IsNullOrEmpty(value))
                {
                    cookie.Expires = DateTime.Now.AddDays(-1);
                }
                else
                {
                    cookie.Expires = DateTime.Now.AddDays(days);
                }
                HttpContext.Current.Response.AppendCookie(cookie);
            }
        }
        /// <summary>
        /// 取Cookie值贾世义
        /// </summary>
        /// <param name="name">名称</param>
        /// <param name="key">键空则取cookie的值</param>
        /// <returns></returns>
        public static string CookieRead(string name, string key)
        {
            HttpCookie cookie = null;
            if (HttpContext.Current != null)
            {
                cookie = HttpContext.Current.Request.Cookies[name];
            }
            if (cookie != null)
            {
                if (String.IsNullOrEmpty(key))
                {
                    return cookie.Value;
                }
                else
                {
                    return cookie[key];
                }
            }
            return null;
        }
        /// <summary>
        /// 删除Cookie 贾世义
        /// </summary>
        /// <param name="name"></param>
        public static void CookieRemove(string name)
        {
            if (HttpContext.Current != null)
            {
                HttpContext.Current.Request.Cookies.Remove(name);
                if (!String.IsNullOrEmpty(CookieRead(name)))
                {
                    HttpContext.Current.Request.Cookies[Constants.MYGRIDVIEW + "user"][name] = null;
                }
            }
        }
        #endregion