/// <summary> 
/// 根據 Agent 判斷是否是智能手機 
/// </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 和 蘋果桌面系統 
if (!agent.Contains("Windows NT") && !agent.Contains("Macintosh")) 
{ 
foreach (string item in keywords) 
{ 
if (agent.Contains(item)) 
{ 
flag = true; 
break; 
} 
} 
} 
return flag; 
} 

代碼解釋： 
1. !agent.Contains("Windows NT") && !agent.Contains("Macintosh") 排除Window 桌面系統 和 蘋果桌面系統 
2. "Android", "iPhone", "iPod", "iPad", "Windows Phone", "MQQBrowser" 這些是判斷智能設備Agent中的關鍵詞 
3. MQQBrowser 為 QQ 手機瀏覽器，QQ 手機的Agent 比較特殊，所以單獨判斷 

下面搜集的一些Agent，話說找到這么多的智能設備，好不容易啊： 
Mozilla/5.0 (iPod; U; CPU iPhone OS 4_3_2 like Mac OS X; zh-cn) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8H7 Safari/6533.18.5 
Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_2 like Mac OS X; zh-cn) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8H7 Safari/6533.18.5 
MQQBrowser/25 (Linux; U; 2.3.3; zh-cn; HTC Desire S Build/GRI40;480*800) 
Mozilla/5.0 (Linux; U; Android 2.3.3; zh-cn; HTC_DesireS_S510e Build/GRI40) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1 
Mozilla/5.0 (SymbianOS/9.3; U; Series60/3.2 NokiaE75-1 /110.48.125 Profile/MIDP-2.1 Configuration/CLDC-1.1 ) AppleWebKit/413 (KHTML, like Gecko) Safari/413 
Mozilla/5.0 (iPad; U; CPU OS 4_3_3 like Mac OS X; zh-cn) AppleWebKit/533.17.9 (KHTML, like Gecko) Mobile/8J2 
Mozilla/5.0 (Windows NT 5.2) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.122 Safari/534.30 
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.202 Safari/535.1 
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/534.51.22 (KHTML, like Gecko) Version/5.1.1 Safari/534.51.22 
Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A5313e Safari/7534.48.3 
Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A5313e Safari/7534.48.3 
Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A5313e Safari/7534.48.3 
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.202 Safari/535.1
 
 




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