aspnet 判斷使用者是訪問手機還是訪問電腦

檢測瀏覽器
http://www.enhanceie.com/ua.aspx

判斷依據

http://www.360doc.com/content/12/0715/16/1073512_224357205.shtml

protected void Page_Load(object sender, EventArgs e)
        {
            string agent = Request.Headers["User-Agent"];
            if (string.IsNullOrEmpty(agent))
            {
                return;
            }
            if (ChooseNet(agent))
            {
                Response.Redirect("http://m.4inlook.cn",true);
            }           
        }
        /// <summary>
        /// 對使用者訪問進行判斷 如果是手機的話返回true，否則返回false
        /// </summary>
        /// <param name="userAgent">userAgent可能需要根據檢測的條件不同和更新,適當修改判斷參數</param>
        /// <returns></returns>
        public bool ChooseNet(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 fromwww.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("Opera Mobi") > -1 ||
                     userAgent.IndexOf("Android") > -1 ||
                userAgent.IndexOf("mozilla") > -1)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

原文出處:http://www.18sucai.com/article/330.htm