判断是否是手机访问网站

  public static bool IsMobile()
    {
        var context = HttpContext.Current;
        if (context != null)
        {
            var request = context.Request;
            if (request.Browser.IsMobileDevice)
            {
                return true;
            }

            if (!string.IsNullOrEmpty(request.UserAgent) && RegexMobile.IsMatch(request.UserAgent))
            {
                return true;
            }
        }
        return false;
    }