C#判斷是否來(lái)自搜索引擎鏈接

    /// <summary>
        /// 判斷是否來(lái)自搜索引擎鏈接
        /// </summary>
        /// <returns>是否來(lái)自搜索引擎鏈接</returns>
        public static bool IsSearchEnginesGet()
        {
            if (HttpContext.Current.Request.UrlReferrer == null)
            {
                return false;
            }
            string[] SearchEngine = { "google", "yahoo", "msn", "baidu", "sogou", "sohu", "sina", "163", "lycos", "tom", "yisou", "iask", "soso", "gougou", "zhongsou" };
            string tmpReferrer = HttpContext.Current.Request.UrlReferrer.ToString().ToLower();
            for (int i = 0; i < SearchEngine.Length; i  )
            {
                if (tmpReferrer.IndexOf(SearchEngine[i]) >= 0)
                {
                    return true;
                }
            }
            return false;
        }

原文鏈接：C#判斷是否來(lái)自搜索引擎鏈接