ASP.NET 判断客户端是否为手机的函数

BlogEngine2.0里找到的：

Web.Config:

<appSettings>
    <!-- 这是一个正则表达式，用来标识移动设备。被识别出的移动设备将采用移动版的主题模板 -->
    <add key="BlogEngine.MobileDevices" value="(iemobile|iphone|ipod|android|nokia|sonyericsson|blackberry|samsung|sec-|windows ce|motorola|mot-|up.b|midp-)"/>
  </appSettings>

/// <summary>
        /// The regex mobile.
        /// </summary>
        private static readonly Regex RegexMobile =
            new Regex(
                ConfigurationManager.AppSettings.Get("BlogEngine.MobileDevices"),
                RegexOptions.IgnoreCase | RegexOptions.Compiled);

/// <summary>
///     Gets a value indicating whether the client is a mobile device.
/// </summary>
/// <value><c>true</c> if this instance is mobile; otherwise, <c>false</c>.</value>
public static bool IsMobile
{
    get
    {
        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;
    }
}



方法二：
/// <summary>

/// 是否是移动浏览器

/// daniel.xiaofei@gmail.com

/// 2013-05-13

/// </summary>

/// <returns></returns>

public static bool IsMobileBrowser()

{

    //GETS THE CURRENT USER CONTEXT

    HttpContext context = HttpContext.Current;

    

    //FIRST TRY BUILT IN ASP.NT CHECK

    if (context.Request.Browser.IsMobileDevice)

    {

        return true;

    }

    //THEN TRY CHECKING FOR THE HTTP_X_WAP_PROFILE HEADER

    if (context.Request.ServerVariables["HTTP_X_WAP_PROFILE"] != null)

    {

        return true;

    }

    //THEN TRY CHECKING THAT HTTP_ACCEPT EXISTS AND CONTAINS WAP

    if (context.Request.ServerVariables["HTTP_ACCEPT"] != null &&

        context.Request.ServerVariables["HTTP_ACCEPT"].ToLower().Contains("wap"))

    {

        return true;

    }

    //AND FINALLY CHECK THE HTTP_USER_AGENT 

    //HEADER VARIABLE FOR ANY ONE OF THE FOLLOWING

    if (context.Request.ServerVariables["HTTP_USER_AGENT"] != null)

    {

    

        //根据HTTP_USER_AGENT，用正则表达式来判断是否是手机在访问

        string u = context.Request.ServerVariables["HTTP_USER_AGENT"];

        System.Text.RegularExpressions.Regex b = new System.Text.RegularExpressions.Regex(@"android|avantgo|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino", System.Text.RegularExpressions.RegexOptions.IgnoreCase | System.Text.RegularExpressions.RegexOptions.Multiline);

        System.Text.RegularExpressions.Regex v = new System.Text.RegularExpressions.Regex(@"1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|e\-|e\/|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(di|rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|xda(\-|2|g)|yas\-|your|zeto|zte\-", System.Text.RegularExpressions.RegexOptions.IgnoreCase | System.Text.RegularExpressions.RegexOptions.Multiline);

        if ((b.IsMatch(u) || v.IsMatch(u.Substring(0, 4))))

        {

            return true;

        }

    

        //Create a list of all mobile types

        string[] mobiles =

            new[]

        {

            "midp", "j2me", "avant", "docomo", 

            "novarra", "palmos", "palmsource", 

            "240x320", "opwv", "chtml",

            "pda", "windows ce", "mmp/", 

            "blackberry", "mib/", "symbian", 

            "wireless", "nokia", "hand", "mobi",

            "phone", "cdm", "up.b", "audio", 

            "SIE-", "SEC-", "samsung", "HTC", 

            "mot-", "mitsu", "sagem", "sony"

            , "alcatel", "lg", "eric", "vx", 

            "NEC", "philips", "mmm", "xx", 

            "panasonic", "sharp", "wap", "sch",

            "rover", "pocket", "benq", "java", 

            "pt", "pg", "vox", "amoi", 

            "bird", "compal", "kg", "voda",

            "sany", "kdd", "dbt", "sendo", 

            "sgh", "gradi", "jb", "dddi", 

            "moto", "iphone"

        };

    

        //Loop through each item in the list created above 

        //and check if the header contains that text

        foreach (string s in mobiles)

        {

            if (context.Request.ServerVariables["HTTP_USER_AGENT"].

                                                ToLower().Contains(s.ToLower()))

            {

                return true;

            }

        }

    }

    

    return false;

}