init
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220
index_files/ajax.js
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220
index_files/ajax.js
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//创建XMLHTTP对象
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function createXMLHttpRequest()
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{
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var xmlHttp = null;
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try{
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xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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}
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catch(e)
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{
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try{
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xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
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}
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catch(e)
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{
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try{
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xmlHttp = new XMLHttpRequest();
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}catch(e){
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}
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}
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}
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return xmlHttp;
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}
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//请求链接
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//url: 请求地址
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//fun：回调函数
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function startRequest(url, fun,xmlHttp)
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{
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xmlHttp.onreadystatechange = fun;
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xmlHttp.open("GET",url,true);
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xmlHttp.send(null);
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}
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//获得xml子节点
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//father：父节点
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//name：子节点名称
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//如果获得则返回节点，没有则返回null
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function getXmlChild(father, name)
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{
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var es = father.getElementsByTagName(name);
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if(es.length == 0)
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return null;
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else
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return es[0];
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}
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String.prototype.trim = function()
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{
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// 用正则表达式将前后空格
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// 用空字符串替代。
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var t = this.replace(/(^\s*)|(\s*$)/g, "");
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return t.replace(/(^ *)|( *$)/g, "");
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}
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//获得xml节点值
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//father：父节点
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//name：子节点名称
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//defaultvalue：默认值
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//如果获得则返回节点值，没有则返回defaultvalue
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function getXmlData(father, name, defaultvalue)
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{
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var es = father.getElementsByTagName(name);
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if(es.length == 0)
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return defaultvalue;
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else if(es[0].firstChild == null)
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return defaultvalue;
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else
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{
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for(var i=0;i<es[0].childNodes.length;i++){
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var node = es[0].childNodes[i];
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if(node.nodeValue != null && node.nodeValue.trim() !="")
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{
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return node.nodeValue;
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}
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}
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return defaultvalue;
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}
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}
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//把"转换为"
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function escapeForValue(str)
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{
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return str.replace(/\"/g, """);
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}
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//用来实现文章的计数
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function getClickTimes(newsid, owner,type,randomid) {
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var url = '/system/resource/code/news/click/clicktimes.jsp';
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if(!type) type="wbnews";
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if(!randomid)
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{
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randomid="n";
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}else
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{
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randomid="n"+randomid;
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}
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var xmlHttp = createXMLHttpRequest();
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var url = url+"?wbnewsid="+newsid+"&owner="+owner+"&type="+type+"&randomid="+randomid;
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xmlHttp.open("GET", url, true);
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xmlHttp.onreadystatechange = function(){onGetClickTimes(xmlHttp);};
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xmlHttp.send(null);
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}
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function _getBatchClickTimes(newsid, owner,type,randomid) {
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var url = '/system/resource/code/news/click/batchclicktimes.jsp';
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if(!type) type="wbnews";
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if(!randomid)
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{
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randomid="n";
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}else
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{
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randomid="n"+randomid;
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}
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var wbnewsids = newsid.split(",");
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var isshow = false;
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for(var i = 0; i < wbnewsids.length; i++)
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{
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var obj = document.getElementById(randomid+wbnewsids[i]);
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if(obj != null)
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isshow = true;
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}
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if(isshow)
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{
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var xmlHttp = createXMLHttpRequest();
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var url = url+"?wbnewsid="+newsid+"&owner="+owner+"&type="+type+"&randomid="+randomid;
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xmlHttp.open("GET", url, true);
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xmlHttp.onreadystatechange = function(){_onGetBatchClickTimes(xmlHttp);};
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xmlHttp.send(null);
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}
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}
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//用来实现文章的计数
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function _onGetBatchClickTimes(originalRequest)
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{
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if(originalRequest.readyState == 4 && originalRequest.status == 200)
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{
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var str = originalRequest.responseText;
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var json = eval("("+str+")");
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for(var i = 0; json != null && i < (json.length?json.length:1);i++)
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{
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var objid =json.length?(json[i].randomid+json[i].wbnewsid):(json.randomid+json.wbnewsid);
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var spanobj = document.getElementsByName(objid);
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if(spanobj.length > 0)
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{
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for(var j=0; j<spanobj.length;j++)
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{
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spanobj[j].innerHTML = json[i].clicktime;
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}
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}
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}
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}
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}
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//用来实现文章的计数
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function onGetClickTimes(originalRequest)
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{
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if(originalRequest.readyState == 4 && originalRequest.status == 200)
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{
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var str = originalRequest.responseText;
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var json = eval("("+str+")");
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for(var i = 0; json != null && i < (json.length?json.length:1);i++)
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{
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var objid = json.length?(json[i].randomid+json[i].wbnewsid):(json.randomid+json.wbnewsid);
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var objs = document.getElementsByTagName("span");
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if(objs.length > 0)
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{
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for(var j=0; j<objs.length;j++)
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{
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if(objid==objs[j].id)
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objs[j].innerHTML = json.length?json[i].wbshowtimes:json.wbshowtimes;
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}
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}
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}
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}
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}
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function addClickTimes(urlid,owner,type){
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var url = '/system/resource/code/news/click/addclicktimes.jsp';
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var xmlHttp = createXMLHttpRequest();
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var url = url+"?wburlid="+urlid+"&owner="+owner+"&type="+type;
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xmlHttp.open("GET", url, true);
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xmlHttp.onreadystatechange = function(){};
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xmlHttp.send(null);
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}
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loadXML = function(xmlString){
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var xmlDoc=null;
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//判断浏览器的类型
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//支持IE浏览器
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if(!window.DOMParser && window.ActiveXObject){ //window.DOMParser 判断是否是非ie浏览器
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var xmlDomVersions = ['MSXML.2.DOMDocument.6.0','MSXML.2.DOMDocument.3.0','Microsoft.XMLDOM'];
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for(var i=0;i<xmlDomVersions.length;i++){
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try{
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xmlDoc = new ActiveXObject(xmlDomVersions[i]);
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xmlDoc.async = false;
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xmlDoc.loadXML(xmlString); //loadXML方法载入xml字符串
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break;
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}catch(e){
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}
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}
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}
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//支持Mozilla浏览器
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else if(window.DOMParser && document.implementation && document.implementation.createDocument){
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try{
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/* DOMParser 对象解析 XML 文本并返回一个 XML Document 对象。
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* 要使用 DOMParser，使用不带参数的构造函数来实例化它，然后调用其 parseFromString() 方法
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* parseFromString(text, contentType) 参数text:要解析的 XML 标记 参数contentType文本的内容类型
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* 可能是 "text/xml" 、"application/xml" 或 "application/xhtml+xml" 中的一个。注意，不支持 "text/html"。
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*/
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domParser = new DOMParser();
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xmlDoc = domParser.parseFromString(xmlString, 'text/xml');
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}catch(e){
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}
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}
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else{
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return null;
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}
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return xmlDoc;
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}
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