-- 作者：ssm1226
-- 发布时间：5/16/2005 4:37:00 PM
-- [原创]获取当前节点对象的xPath~
获取节点的xpath
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title></title>
<meta name="GENERATOR" content="Microsoft Visual Studio .NET 7.1">
<meta name=ProgId content=VisualStudio.HTML>
<meta name=Originator content="Microsoft Visual Studio .NET 7.1">
</head>
<body>
<script language=javascript>
var xmldoc=new ActiveXObject("MSXML2.DOMDocument");
xmldoc.async=false;
xmldoc.load("csdn0016.xml");
var oNode=xmldoc.documentElement.selectSingleNode("/menus/menu[0]"); var sPath=getXPath(oNode);
function getXPath(oNode){
if(oNode==null) return null;
if(oNode.nodeType==1 || oNode.nodeType==2 || oNode.nodeType==3 || oNode.nodeType==4){//节点类型为:Element,Attribute,text,section时返回XPath
var oXmlDoc=oNode.ownerDocument;
var sSelectionLanguage=oXmlDoc.getProperty("SelectionLanguage");
if(sSelectionLanguage!="XPath")
oXmlDoc.setProperty("SelectionLanguage", "XPath");//设置查询语言为XPath
var spath="ancestor-or-self::*";//祖先节点
var oNodesTemp=oNode.selectNodes(spath);
spath="preceding-sibling::";//获取当前节点前兄弟节点
var sTemp="",oNodeTemp=null,oSubNodeTemp=null;
for(var i=0;i<oNodesTemp.length;i++){
oNodeTemp=oNodesTemp[i];
oSubNodeTemp=oNodeTemp.selectNodes(spath + oNodeTemp.nodeName);
sTemp+="/"+oNodeTemp.nodeName;
if(oSubNodeTemp.length>0)
sTemp+="[" + oSubNodeTemp.length + "]";
}
oXmlDoc.setProperty("SelectionLanguage", sSelectionLanguage);//设置查询语言为默认
if(oNode.nodeType==2){//如果是属性的话，加上
sTemp +="/@" + oNode.nodeName;
}
return sTemp;
}else{return "";}
}
alert(sPath);
</script>
</body>
</html>
csdn0016.xml:
<?xml version="1.0" encoding="UTF-8"?>
<menus>
<a/>
<b/>
<menu>
<name id="1">web开发</name>
<menus>
<menu>
<name>asp</name>
</menu>
<menu>
<name>xml</name>
</menu>
</menus>
</menu>
<menu>
<name>.Net Framework</name>
<menus>
<menu>
<name>asp.asp</name>
</menu>
<menu>
<name>C#</name>
</menu>
</menus>
</menu>
</menus>
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