一个用ArrayCollection作为数据格式 读取远程XML绑定到DropDownList例子

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600" creationComplete="remoteData.send()">
<s:layout>
<s:BasicLayout/>
</s:layout>

<fx:Script>
<!--[CDATA[
import mx.collections.ArrayCollection;
import mx.events.ListEvent;
import mx.rpc.events.ResultEvent;

import spark.events.IndexChangeEvent;

[Bindable]
private var m:ArrayCollection = new ArrayCollection();

protected function remoteData_resultHandler(event:ResultEvent):void
{
m = event.result.root.menuitem;
}

protected function dropdownlist1_changeHandler(event:IndexChangeEvent):void
{
var url:String = event.currentTarget.selectedItem.url;
trace(url);
if(url!=null&&url!="")
{
navigateToURL(new URLRequest(url),"_blank");
}
}

]]-->
</fx:Script>

<fx:Declarations>
<s:HTTPService id="remoteData" url="http://10.8.1.32/oasServices/test.xml" result="remoteData_resultHandler(event)" />
</fx:Declarations>
<s:DropDownList dataProvider="{m}" labelField="name" change="dropdownlist1_changeHandler(event)"></s:DropDownList>

</s:Application>