URLLoader加载XML
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
fontFamily="simsun" fontSize="12"
layout="absolute" width="242" height="442" creationComplete="initApp()">
<mx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.rpc.events.ResultEvent;
public var loader:URLLoader=new URLLoader();
public var menus:XML=new XML();
[Bindable]
public function completeHandle(e:Event):void
{
menus=XML(loader.data);
var results:XMLList=menus.node;
tree.dataProvider=results;
}
public function initApp():void
{
var request:URLRequest=new URLRequest("TreeMenus.xml");
loader.load(request);
loader.addEventListener(Event.COMPLETE,completeHandle);
}
]]>
</mx:Script>
<mx:Tree id="tree" x="10" y="35" width="218" height="397" labelField="@label" />
<mx:Label x="10" y="10" text="Tree Nodes From XML File"/>
</mx:Application>
/////////////////////////////<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
fontFamily="simsun" fontSize="12"
layout="absolute" width="242" height="442" creationComplete="initApp()">
<mx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.rpc.events.ResultEvent;
public var loader:URLLoader=new URLLoader();
public var menus:XML=new XML();
[Bindable]
public function completeHandle(e:Event):void
{
menus=XML(loader.data);
var results:XMLList=menus.node;
tree.dataProvider=results;
}
public function initApp():void
{
var request:URLRequest=new URLRequest("TreeMenus.xml");
loader.load(request);
loader.addEventListener(Event.COMPLETE,completeHandle);
}
]]>
</mx:Script>
<mx:Tree id="tree" x="10" y="35" width="218" height="397" labelField="@label" />
<mx:Label x="10" y="10" text="Tree Nodes From XML File"/>
</mx:Application>
总结
1.用到URLLoader和URLRequest,加载完成时触发COMPLETE事件,在处理函数中绑定到Tree上