<script type="text/javascript">
Ext.onReady(function(){
var root=new Ext.tree.TreeNode({
id:"root",
text:"树的根" });
var c1=new Ext.tree.TreeNode({text:"子节点1"});
var c2=new Ext.tree.AsyncTreeNode({text:"子节点2"});
root.appendChild(c1);
root.appendChild(c2);
var tree=new Ext.tree.TreePanel({
renderTo:"hello",
root:root,
width:300,
loader:new Ext.tree.TreeLoader({
applyLoader:false,
url:"js/treedata.js"})
});
});
</script>
treedata.js:[{id:1, text:"子节点"}]
原因:两文件编码不一致