asp.net 通過UserAgent判斷智能設(shè)備(Android,IOS)

/// summary>
/// 根據(jù) Agent 判斷是否是智能手機(jī)
/// /summary>
/// returns>/returns>
public static bool CheckAgent()
{
bool flag = false;
string agent = HttpContext.Current.Request.UserAgent;
string[] keywords = { "Android", "iPhone", "iPod", "iPad", "Windows Phone", "MQQBrowser" };
//排除Window 桌面系統(tǒng) 和 蘋果桌面系統(tǒng)
if (!agent.Contains("Windows NT") !agent.Contains("Macintosh"))
{
foreach (string item in keywords)
{
if (agent.Contains(item))
{
flag = true;
break;
}
}
}
return flag;
}