JS获取设备信息

获取设备相关信息：

方法一：

function browerType() {
    var sUserAgent = navigator.userAgent.toLowerCase();  //浏览器的用户代理设置为小写，再进行匹配
    var isIpad = sUserAgent.match(/ipad/i) == "ipad";  //或者利用indexOf方法来匹配
    var isIphoneOs = sUserAgent.match(/iphone os/i) == "iphone";
    var isMidp = sUserAgent.match(/midp/i) == "midp";  //移动信息设备描述MIDP是一套Java应用编程接口，多适用于塞班系统
    var isUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";  //CVS标签
    var isUc = sUserAgent.match(/ucweb/i) == "ucweb";
    var isAndroid = sUserAgent.match(/android/i) == "android";
    var isCe = sUserAgent.match(/windows ce/i) == "windows ce";
    var isWM = sUserAgent.match(/windows mobil/i) == "windows mobil";
    if (isIpad || isIphoneOs || isMidp || isUc7 || isUc || isAndroid || isCe || isWM) {
        alert('该设备为移动设备');
    } else {
        alert('该设备为PC设备');
    }
}

方法二：

function detectOS() {
    var sUserAgent = navigator.userAgent;
    var isWin = (navigator.platform == "Win32") || (navigator.platform == "Windows");
    var isMac = (navigator.platform == "Mac68K") || (navigator.platform == "MacPPC") || (navigator.platform == "Macintosh") || (navigator.platform == "MacIntel");
    if (isMac) return "Mac";
     var isUnix = (navigator.platform == "X11") && !isWin && !isMac;
    if (isUnix) return "Unix";
    var isLinux = (String(navigator.platform).indexOf("Linux") > -1);
    var bIsAndroid = sUserAgent.toLowerCase().match(/android/i) == "android";
    if (isLinux) {
    if(bIsAndroid) return "Android";
    else return "Linux";
    }
    if (isWin) {
        var isWin2K = sUserAgent.indexOf("Windows NT 5.0") > -1 || sUserAgent.indexOf("Windows 2000") > -1;
    if (isWin2K) return "Win2000";
    var isWinXP = sUserAgent.indexOf("Windows NT 5.1") > -1 ||
    sUserAgent.indexOf("Windows XP") > -1;
    if (isWinXP) return "WinXP";
    var isWin2003 = sUserAgent.indexOf("Windows NT 5.2") > -1 || sUserAgent.indexOf("Windows 2003") > -1;
    if (isWin2003) return "Win2003";
    var isWinVista= sUserAgent.indexOf("Windows NT 6.0") > -1 || sUserAgent.indexOf("Windows Vista") > -1;
    if (isWinVista) return "WinVista";
    var isWin7 = sUserAgent.indexOf("Windows NT 6.1") > -1 || sUserAgent.indexOf("Windows 7") > -1;
    if (isWin7) return "Win7";
    var isWin8 = sUserAgent.indexOf("Windows NT 6.2") > -1 || sUserAgent.indexOf("Windows 8") > -1;
    if (isWin8) return "Win8";
    var isWin9 = sUserAgent.indexOf("Windows NT 6.3") > -1 || sUserAgent.indexOf("Windows 9") > -1;
    if (isWin9) return "Win8.1";
    }
    return "other";
}

document.writeln("您的操作系统是：" + detectOS());
alert(detectOS());