/// <summary>
        /// 获取当前语言文化,使用的是Cookies存储,使用之前必须启用Cookies
        /// </summary>
        /// <param name="context">上下文</param>
        /// <returns>文化</returns>
        public static string GetCurrentCulture(this HttpContext context)
        {
            string culture;

            if (context.Request.Cookies.TryGetValue("Culture", out culture))
            {
                if (string.IsNullOrWhiteSpace(culture))
                {
                    return(LocalizationUtil.GetCurrentCulture());
                }
                else
                {
                    return(culture);
                }
            }

            return(LocalizationUtil.GetCurrentCulture());
        }