<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<link href="resources/css/ext-all.css" rel="stylesheet">
<script src="jslib/ext-base.js"></script>
<script src="jslib/ext-all.js"></script>
</head>
<body>
<script>
function init(){
var tree = new Ext.tree.TreePanel({
renderTo: Ext.getBody(),
useArrows: true,
autoScroll: true,
animate: true,
enableDD: true,
containerScroll: true,
border: false,
title:‘tree‘,
root: {
nodeType: ‘async‘,
text: ‘Ext JS‘,
draggable: false,
id: ‘source‘,
children: [{
text: ‘Menu Option 1‘,
leaf: true,
id:1,
code:‘1001‘
}, {
text: ‘Menu Option 2‘,
leaf: true,
id:2,
code:‘1002‘
}, {
text: ‘Menu Option 3‘,
leaf: true,
id : 3,
code:‘1003‘
}]
},
listeners: {
append: function (tree, parent, node, index ) {
Ext.QuickTips.init();
node.attributes.qtip=node.attributes.code;
}
}
});
tree.getRootNode().expand();
}
Ext.onReady(init);
</script>
</body>
</html>
原文：http://www.cnblogs.com/a-long/p/7239074.html