首先:xml檔案(tree.xml)內容如下:
<?xml version="1.0" encoding="gb2312"?>
<treeview>
<tree id="p1">
<text>山東省</text>
<target>_blank</target>
<title>省份</title>
<link></link>
<tree id="p1-1">
<text>威海市</text>
<target>_blank</target>
<title>城市</title>
<link></link>
</tree>
<tree id="p1-2">
<text>煙台市</text>
<target>_blank</target>
<title>城市</title>
<link></link>
<node id="p1-2-1">
<text>長夼村</text>
<target>_blank</target>
<title>鄉鎮</title>
<link>http://www.baidu.com/</link>
</node>
</tree>
<node id="p1-3">
<text>富鎮</text>
<target>_blank</target>
<title>鄉鎮</title>
<link>http://www.baidu.com/</link>
</node>
</tree>
<tree id="p2">
<text>河北省</text>
<target>_blank</target>
<title>省份</title>
<link></link>
<tree id="p2-1">
<text>泊頭市</text>
<target>_blank</target>
<title>城市</title>
<link></link>
<node id="p2-1-1">
<text>郊河</text>
<target>_blank</target>
<title>鄉鎮</title>
<link>http://www.baidu.com/</link>
</node>
</tree>
<tree id="p2-2">
<text>石家莊</text>
<target>_blank</target>
<title>城市</title>
<link></link>
</tree>
</tree>
<tree id="p3">
<text>浙江省</text>
<target>_blank</target>
<title>省份</title>
<link></link>
<tree id="p3-1">
<text>杭州市</text>
<target>_blank</target>
<title>城市</title>
<link></link>
<node id="p3-1-1">
<text>某鎮</text>
<target>_blank</target>
<title>鄉鎮</title>
<link>http://www.baidu.com/</link>
</node>
</tree>
<tree id="p3-2">
<text>溫州市</text>
<target>_blank</target>
<title>城市</title>
<link></link>
<node id="p3-2-1">
<text>某鎮</text>
<target>_blank</target>
<title>鄉鎮</title>
<link>http://www.baidu.com/</link>
</node>
</tree>
</tree>
</treeview>
//////////////////////////////////////////////////////
然後:javascript函數實現:(檔案名稱:tree.htm)
<script Language="JavaScript">
var HTML = "";
var space = "";
var blank = " ";
function getSubject()
{
var xmlDoc;
if (window.ActiveXObject)
{
//獲得操作的xml檔案的對象
xmlDoc = new ActiveXObject('Microsoft.XMLDOM');
xmlDoc.async = false;
xmlDoc.load("tree.xml");
if (xmlDoc == null)
{
alert('您的瀏覽器不支援xml檔案讀取,於是本頁面禁止您的操作,推薦使用IE5.0以上可以解決此問題!');
window.location.href='/Index.aspx';
return;
}
}
//解析xml檔案,判斷是否出錯
if (xmlDoc.parseError.errorCode != 0)
{
alert(xmlDoc.parseError.reason);
return;
}
//獲得根接點
var nodes = xmlDoc.documentElement.childNodes;
//得到根接點下共有子接點個數,並迴圈
for (var i=0; i<nodes.length; i++)
{
//如果接點名為 tree
if (nodes(i).nodeName == "tree")
{
readTree(nodes(i));
}
//如果接點名為 node
else if(nodes(i).nodeName == "node")
{
readNode(nodes(i));
}
}
//刪除對象
delete(xmlDoc);
//顯示HTML
window.show.innerHTML = HTML;
return;
}
//讀Tree節點
function readTree(cI)
{
var nodes = cI.childNodes;
var menuHTML = space;
menuHTML += blank;
//得到超級連結
menuHTML += "<a href='";
//如果該節點的串連屬性不為空白,則串連
if (cI.selectNodes("link")(0).text != "")
{
menuHTML += cI.selectNodes("link")(0).text;
}
//否則為空白連結
else
{
menuHTML += "#";
}
//目標
if (cI.selectNodes("target")(0).text != "")
{
menuHTML += " target='"+cI.selectNodes("target")(0).text;
menuHTML += "'";
}
//點擊菜單事件,調用divshow(vid)函數
menuHTML += " onclick=javascript:divshow('"+cI.getAttribute("id")+"');";
//得到節點標題
menuHTML += " title='";
menuHTML += cI.selectNodes("title")(0).text;
//結束
menuHTML += "'>";
//得到節點的本文
menuHTML += cI.selectNodes("text")(0).text;
menuHTML += "</a><br>/n";
//將menuHTML設定添加到HTML字串
HTML += menuHTML;
//得到該節點的屬性值<span
HTML += "<div id='"+cI.getAttribute("id")+"' style='display:none'>/n";
for (var i=0; i<nodes.length; i++)
{
var tempImg = "";
tempImg += blank;
if (nodes(i).nodeName == "tree")
{
space += tempImg;
readTree(nodes(i));
space = "";
}
else if(nodes(i).nodeName == "node")
{
space += tempImg;
readNode(nodes(i));
}
}
HTML += "</div>/n";
return;
}
//讀Node節點
function readNode(cI)
{
var nodeHTML = space;
nodeHTML += blank;
//設定超級連結
nodeHTML += "<a href='";
//得到串連地址
nodeHTML += cI.selectNodes("link")(0).text;
//目標
if (cI.selectNodes("target")(0).text != "")
nodeHTML += "' target='"+cI.selectNodes("target")(0).text;
//得到節點標題
nodeHTML += "' title='";
nodeHTML += cI.selectNodes("title")(0).text;
//結束
nodeHTML += "'>";
//得到節點的本文
nodeHTML += cI.selectNodes("text")(0).text;
nodeHTML += "</a><br>/n";
HTML += nodeHTML;
//HTML += "<div id='"+cI.getAttribute("id")+"'>";
space = "";
return;
}
//操作對象的顯示還是隱藏效果
function divshow(vid)
{
if (document.all[vid].style.display == "none")
{
document.all[vid].style.display = "block";
}
else
{
document.all[vid].style.display = "none";
}
return;
}
</script>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>JS_XML</title>
<style type="text/css"><!--
body {
margin-left: 0px;
margin-top: 0px;
margin-right: 0px;
margin-bottom: 0px;
font-size: 9pt;
}
A {
text-decoration:none;
font-family: "宋體";
font-size: 9pt;
COLOR:#000000;
}
--></style>
</head>
<body bgcolor="#EEEEEE" leftmargin="0" topmargin="0">
<div id=show></div>
</body>
<script><!--
getSubject();
//--></script>
</html>
//////////////////////////////////////////////////////////
運行,要在同一個路徑下!