/**

* @author hechen

*/

var gs = {

  /**获得屏幕宽度**/

  ScreenWidth: function () {

    return window.screen.width;

  },

  /***获得屏幕高度**/

  ScreenHeight: function () {

    return window.screen.height;

  },

  /**获得浏览器***/

  Browse: function () {

    var browser = {};

    var userAgent = navigator.userAgent.toLowerCase();

    var s;

    (s = userAgent.match(/msie ([\d.]+)/)) ? browser.ie = s[1] : (s = userAgent.match(/firefox\/([\d.]+)/)) ? browser.firefox = s[1] : (s = userAgent.match(/chrome\/([\d.]+)/)) ? browser.chrome = s[1] : (s = userAgent.match(/opera.([\d.]+)/)) ? browser.opera = s[1] : (s = userAgent.match(/version\/([\d.]+).*safari/)) ? browser.safari = s[1] : 0;

    var version = "";

    if (browser.ie) {

      version = 'IE ' + browser.ie;

    }

    else {

      if (browser.firefox) {

        version = 'firefox ' + browser.firefox;

      }

      else {

        if (browser.chrome) {

          version = 'chrome ' + browser.chrome;

        }

        else {

          if (browser.opera) {

            version = 'opera ' + browser.opera;

          }

          else {

            if (browser.safari) {

              version = 'safari ' + browser.safari;

            }

            else {

              version = '未知浏览器';

            }

          }

        }

      }

    }

    return version;

  },

  /**获得操作系统***/

  ClientOs: function () {

    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);

    if (isLinux)

      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";

    }

    return "other";

  },

  /****获得客户端ID****/

  ClientID: function (name) {

    var cookies = document.cookie.split(";");

    var value = "";

    for (var i = 0; i < cookies.length; i++) {

      var temp = cookies[i].split("=");

      var tempValue = temp[0].replace(/(^\s*)|(\s*$)/g, "");

      if (tempValue == name) {

        value = unescape(temp[1]);

        break;

      }

    }

    return value;

  },

  /****获得商品ID****/

  SearchGid: function () {

    var url = window.location.href;

    var value = "";

    if (url != undefined && url != "") {

      url.replace(/-\d+-/, function (a, b, c) {

        if (a != undefined && a != "" && a.length > 2) {

          value = a.substring(1, a.length - 1);

        }

      });

    }

    return value;

  },

  /****获得站内搜索关键字****/

  SearchKey: function () {

    var url = window.location.href;

    var value = "";

    if (url != undefined && url != "") {

      url.replace(/[=].*/, function (a, b, c) {

        if (a != undefined && a != "" && a.length > 1) {

          value = a.substring(1);

        }

      });

    }

    return value;

  },

  /**获得商品分类搜索编号**/

  SearchCategory: function () {

    var url = window.location.href;

    var value = "";

    if (url != undefined && url != "") {

      url.replace(/-\d+/, function (a, b, c) {

        if (a != undefined && a != "" && a.length > 1) {

          value = a.substring(1);

        }

      });

    }

    return value;

  },

  /****站外搜索 Google 百度*****/

  SearchSite: function (type) {

    var referrer = document.referrer;

    if (referrer != undefined && referrer != "") {

      if ("google" == type) {

        url.replace(new RegExp("(?:^|/?|&)q=([^&]*)(?:&|$)"), function (a, b, c) {

          if (this._ch != undefined && a != undefined && a.length > 0) {

            a = a.substring(a.indexOf("=") + 1, a.length - 1);

            return a;

          }

        });

      } else if ("baidu" == type) {

        url.replace(new RegExp("(?:^|/?|&)wd=([^&]*)(?:&|$)"), function (a, b, c) {

          if (this._ch != undefined && a != undefined && a.length > 0) {

            a = a.substring(a.indexOf("=") + 1, a.length - 1);

            return a;

          }

        });

      } else if ("sogou" == type) {

        url.replace(new RegExp("(?:^|/?|&)query=([^&]*)(?:&|$)"), function (a, b, c) {

          if (this._ch != undefined && a != undefined && a.length > 0) {

            a = a.substring(a.indexOf("=") + 1, a.length - 1);

            return a;

          }

        });

      } else if ("bing" == type) {

        url.replace(new RegExp("(?:^|/?|&)q=([^&]*)(?:&|$)"), function (a, b, c) {

          if (this._ch != undefined && a != undefined && a.length > 0) {

            a = a.substring(a.indexOf("=") + 1, a.length - 1);

            return a;

          }

        });

      }

    }

    return "";

  },

  /******将值插入到数组中*********/

  PushValue: function (key, value) {

    if (this._ch != undefined) {

      this._ch[key] = value;

    }

  },

  /***自定义参数**/

  Param: function (value) {

    if (this._ch != undefined) {

      this._ch["_ps"] = value;

    }

  },

  /******提交数据到后台**********/

  PostData: function () {

    $.ajax({

      url: "http://localhost:28482/Ajax/StatActions.aspx?t=" + Math.random(),

      type: "post",

      data: this._ch,

      success: function (data) { }

    });

  },

  /***初始化**/

  Init: function () {

    if (this._ch != undefined) {

      this._ch = undefined;

    }

    this._ch = {};

    if (this._Reg != undefined) {

      this._Reg = undefined;

    }

    //初始化正则表达式 匹配URL

    this._Reg = new Array();

    this._Reg[0] = "http://www.google.com.hk(.*)";

    this._Reg[1] = "http://www.baidu.com(.*)";

    this._Reg[2] = "http://www.sogou.com(.*)";

    this._Reg[3] = "http://cn.bing.com(.*)";

    //分析URL参数

    var hostURL = window.location.href;

    if (hostURL != undefined && hostURL != "") {

      if ((new RegExp(this._Reg[4])).test(hostURL)) {

        this._ch["_gid"] = this.SearchGid();

      } else if ((new RegExp(this._Reg[7])).test(hostURL)) {

      } else if ((new RegExp(this._Reg[5])).test(hostURL)) {

        this._ch["_cid"] = this.SearchCategory();

      } else if ((new RegExp(this._Reg[6])).test(hostURL)) {

        this._ch["_key"] = this.SearchKey();

      }

      this._ch["_tu"] = hostURL;

    }

    var referrer = document.referrer;

    if (referrer != undefined && referrer != "") {

      if ((new RegExp(this._Reg[0])).test(referrer)) {

        this._ch["_key"] = this.SearchSite("google");

      } else if ((new RegExp(this._Reg[1])).test(referrer)) {

        this._ch["_key"] = this.SearchSite("baidu");

      } else if ((new RegExp(this._Reg[2])).test(referrer)) {

        this._ch["_key"] = this.SearchSite("sogou");

      } else if ((new RegExp(this._Reg[3])).test(referrer)) {

        this._ch["_key"] = this.SearchSite("bing");

      }

      this._ch["_su"] = referrer;

    }

    //获取客户端相关信息

    this._ch["_sw"] = this.ScreenWidth();

    this._ch["_sh"] = this.ScreenHeight();

    this._ch["_bw"] = this.Browse();

    this._ch["_cs"] = this.ClientOs();

    this._ch["_mid"] = this.ClientID("from_channelid");

    this._ch["_ctid"] = this.ClientID("ClientKey");

  },

  _ch: undefined,

  _Reg: undefined

　

userAgent 是 navigator 对象的一个只读属性，译为“用户代理”，简称“UA”。userAgent 会返回一个字符串，该字符串包含客户端使用的操作系统及版本、CPU 类型、浏览器及版本、浏览器渲染引擎、浏览器语言、浏览器插件等信息。

例如，chrome 浏览器在 Window7 平台下的 userAgent 示例：
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36

IE8 浏览器在 Window7 平台下的 userAgent 示例：
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0)

下面是一个使用原生的javascript获取操作系统及其版本的demo:　

//利用原生Js获取操作系统版本

    function getOS() {

        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);

        if (isLinux) 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 isWin10 = sUserAgent.indexOf("Windows NT 10") > -1 || sUserAgent.indexOf("Windows 10") > -1;

            if (isWin10) return "Win10";

        }

        return "other";

    }

document.write("您的操作系统是："+getOS());

　　

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