var lang_local; //本地语言
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var lang; //语言对象，通过调用lang.lable来获取语言信息
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//初始化语言，跟据浏览器的语言
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function langInitByBrowser() {
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//先从Cookie中获取语言参数
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var local = GetCookie("language");
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if (local == null) {
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//再跟据浏览器语言获取语言参数
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if (navigator.userAgent.indexOf('MSIE') >= 0){
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local = navigator.browserLanguage;
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}else if(navigator.userAgent.indexOf('Firefox') >= 0 || navigator.userAgent.indexOf('Chrome') >= 0
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|| navigator.userAgent.indexOf('Opera') >= 0 || navigator.userAgent.indexOf('Mozilla') >= 0){
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local = navigator.language;
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} else {
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local = navigator.language;
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}
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if (local.indexOf('en') > -1){
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local = "en";
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} else if(local.indexOf('CN') > -1 || local.indexOf('cn') > -1
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|| local.indexOf('ZH') > -1 || local.indexOf('zh') > -1){
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local = "zh";
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} else {
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local = "en"; //默认为英文版本
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}
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}else if(local.indexOf('CN') > -1 || local.indexOf('cn') > -1
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|| local.indexOf('ZH') > -1 || local.indexOf('zh') > -1){
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local = "zh";
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}
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langChange(local);
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}
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//初始化语言，跟据Url参数，在URL后面跟着 xxx.html?lang=zh
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function langInitByUrl() {
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var local = getUrlParameter("lang");
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if (local == "") {
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langInitByBrowser();
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} else {
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langChange(local);
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}
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}
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//追加js到head
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function loadScript(src, callback) {
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var otherJScipt = document.createElement("script");
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otherJScipt.setAttribute("type", "text/javascript");
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otherJScipt.setAttribute("src", src);
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var heads = document.getElementsByTagName("head");//追加到head标签内
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if(heads.length) {
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heads[0].appendChild(otherJScipt);
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} else {
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doc.documentElement.appendChild(otherJScipt);
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}
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//判断服务器
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if (navigator.userAgent.indexOf("IE") >= 0) {
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//IE下的事件
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otherJScipt.onreadystatechange = function () {
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//IE下的判断，判断是否加载完成
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if (otherJScipt && (otherJScipt.readyState == "loaded" || otherJScipt.readyState == "complete")) {
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otherJScipt.onreadystatechange = null;
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if (callback != null) {
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callback();
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}
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}
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};
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} else {
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otherJScipt.onload = function () {
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otherJScipt.onload = null;
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if (callback != null) {
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callback();
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}
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};
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}
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}
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function langChange(local) {
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lang_local = local;
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//目前只支持中、英、繁
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if (langIsChinese()) {
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loadScript(getRootPathEx()+"/808gps/open/js/lang.js", function() {
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lang = new langChinese();
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});
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} else {
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loadScript(getRootPathEx()+"/808gps/open/js/lang_en.js", function() {
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lang = new langEnglish();
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});
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}
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}
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function langIsChinese() {
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if (lang_local == "zh") {
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return true;
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} else {
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return false;
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}
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}
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//js获取项目根路径，如： http://localhost:8083/xx
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function getRootPathEx(){
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//获取当前网址，如： http://localhost:8083/xx/xx/xx.jsp
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var curWwwPath=window.document.location.href;
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//获取主机地址之后的目录，如： xx/xx/xx.jsp
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var pathName=window.document.location.pathname;
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var pos=curWwwPath.indexOf(pathName);
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//获取主机地址，如： http://localhost:8083
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var localhostPaht=curWwwPath.substring(0,pos);
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//获取带"/"的项目名，如：/xx
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var projectName=pathName.substring(0,pathName.substr(1).indexOf('/')+1);
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return localhostPaht;
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}
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