/// 判断是否来自搜索引擎链接
/// 是否来自搜索引擎链接
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","bing" };
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;
}