这里给大家汇总了使用asp.net实现识别客户端浏览器或操作系统的方法和示例代码，有需要的小伙伴可以参考下。

1、通过 UserAgent

protected void Page_Load(object sender, EventArgs e)

 {

   //验证终端

   string agent = Request.Headers["User-Agent"];

   if (choose_net(agent))

   {

     Response.Redirect("/mobile/");

   }

 }

 //验证终端

 public bool choose_net(String userAgent)

 {

   if (userAgent.IndexOf("Noki") > -1 || // Nokia phones and emulators  

        userAgent.IndexOf("Eric") > -1 || // Ericsson WAP phones and emulators  

        userAgent.IndexOf("WapI") > -1 || // Ericsson WapIDE 2.0  

        userAgent.IndexOf("MC21") > -1 || // Ericsson MC218  

        userAgent.IndexOf("AUR") > -1 || // Ericsson R320  

        userAgent.IndexOf("R380") > -1 || // Ericsson R380  

        userAgent.IndexOf("UP.B") > -1 || // UP.Browser  

        userAgent.IndexOf("WinW") > -1 || // WinWAP browser  

        userAgent.IndexOf("UPG1") > -1 || // UP.SDK 4.0  

        userAgent.IndexOf("upsi") > -1 || //another kind of UP.Browser  

        userAgent.IndexOf("QWAP") > -1 || // unknown QWAPPER browser  

        userAgent.IndexOf("Jigs") > -1 || // unknown JigSaw browser  

        userAgent.IndexOf("Java") > -1 || // unknown Java based browser  

        userAgent.IndexOf("Alca") > -1 || // unknown Alcatel-BE3 browser (UP based)  

        userAgent.IndexOf("MITS") > -1 || // unknown Mitsubishi browser  

        userAgent.IndexOf("MOT-") > -1 || // unknown browser (UP based)  

        userAgent.IndexOf("My S") > -1 ||// unknown Ericsson devkit browser  

        userAgent.IndexOf("WAPJ") > -1 ||//Virtual WAPJAG www.wapjag.de  

        userAgent.IndexOf("fetc") > -1 ||//fetchpage.cgi Perl script from www.wapcab.de

        userAgent.IndexOf("ALAV") > -1 || //yet another unknown UP based browser  

        userAgent.IndexOf("Wapa") > -1 || //another unknown browser (Web based

"Wapalyzer")  

        userAgent.IndexOf("UCWEB") > -1 || //another unknown browser (Web based

"Wapalyzer")  

        userAgent.IndexOf("BlackBerry") > -1 || //another unknown browser (Web

based "Wapalyzer")          

        userAgent.IndexOf("J2ME") > -1 || //another unknown browser (Web based

"Wapalyzer")      

        userAgent.IndexOf("Oper") > -1 ||

        userAgent.IndexOf("Android") > -1 ||

     userAgent.IndexOf("mozilla") > -1)

   {

     return true;

   }

   else

   {

     return false;

   }

 }

2.考虑asp.net mvc

里面有for mobile的模版

3.获取浏览器的属性

复制代码 代码如下:

HttpBrowserCapabilities bc=Request.Browser; Response.Write("<script language='javascript'>alert('" + bc.Browser + "');</script>");

4.js判断

<script type="text/javascript">

   var bro = navigator.userAgent;

   //alert(bro);

   // alert(bro.indexOf("Windows Phone"));

   // iPad 浏览器navigator.userAgent（包含iPad）

   if (bro.indexOf("NetFront") > 0 || bro.indexOf("UCWEB") > 0

     || bro.indexOf("iPhone") > 0 || bro.indexOf("Windows CE") > 0

     || bro.indexOf("MIDP-2.0") > 0 || bro.indexOf("Android") > 0

     || bro.indexOf("Opera Mini") > 0 || bro.indexOf("SymbianOS") > 0

     || bro.indexOf("Windows Phone") > 0) {

     window.open("Wap1/Index.aspx", "_top");

   }

   //    else if (bro.indexOf("Windows NT") > 0) {

   //      window.open("NewWeb/default.html", "_top");

   //    }

       else {

         window.open("NewWeb/default.html", "_top");

       }

 </script>

我们再来看下如何获取PC端的客户端信息呢

/// <summary>

/// 获取操作系统的名字

/// </summary>

/// <param name="userAgent"></param>

/// <returns></returns>

private string GetOSNameByUserAgent(string userAgent)

{

   string osVersion = "未知";

   if (userAgent.Contains("NT 10.0"))

   {

       osVersion = "Windows 10";

   }

   else if (userAgent.Contains("NT 6.3"))

   {

       osVersion = "Windows 8.1";

   }

   else if (userAgent.Contains("NT 6.2"))

   {

       osVersion = "Windows 8";

   }

   else if (userAgent.Contains("NT 6.1"))

   {

       osVersion = "Windows 7";

   }

   else if (userAgent.Contains("NT 6.1"))

   {

       osVersion = "Windows 7";

   }

   else if (userAgent.Contains("NT 6.0"))

   {

       osVersion = "Windows Vista/Server 2008";

   }

   else if (userAgent.Contains("NT 5.2"))

   {

       if (userAgent.Contains("64"))

           osVersion = "Windows XP";

       else

           osVersion = "Windows Server 2003";

   }

   else if (userAgent.Contains("NT 5.1"))

   {

       osVersion = "Windows XP";

   }

   else if (userAgent.Contains("NT 5"))

   {

       osVersion = "Windows 2000";

   }

   else if (userAgent.Contains("NT 4"))

   {

       osVersion = "Windows NT4";

   }

   else if (userAgent.Contains("Me"))

   {

       osVersion = "Windows Me";

   }

   else if (userAgent.Contains("98"))

   {

       osVersion = "Windows 98";

   }

   else if (userAgent.Contains("95"))

   {

       osVersion = "Windows 95";

   }

   else if (userAgent.Contains("Mac"))

   {

       osVersion = "Mac";

   }

   else if (userAgent.Contains("Unix"))

   {

       osVersion = "UNIX";

   }

   else if (userAgent.Contains("Linux"))

   {

       osVersion = "Linux";

   }

   else if (userAgent.Contains("SunOS"))

   {

       osVersion = "SunOS";

   }

   else

   {

       osVersion = HttpContext.Current.Request.Browser.Platform;

   }

   return osVersion;

}

基本上很全了，小伙伴们根据需求自由选择吧