Flex 中 xml 与 ArrayCollection 之间的相互转换

xml 于 ArrayCollection 之间的相互转换

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" creationComplete="application1_creationCompleteHandler()"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600">
<fx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.controls.Alert;
import mx.events.FlexEvent;
import mx.rpc.events.FaultEvent;
import mx.rpc.events.ResultEvent;

private var xml:XML;
[Bindable]
private var dgdp:ArrayCollection=new ArrayCollection;
protected function application1_creationCompleteHandler():void
{
http.send();
}

protected function http_resultHandler(event:ResultEvent):void
{

xml = event.result as XML;
for each(var xml:XML in event.result..des){
var o:Object=new Object();
o.id=xml.@id;
o.name=xml.@name;
o.score=xml.@score;
dgdp.addItem(o);
}
arrToXml();
}

protected function http_faultHandler(event:FaultEvent):void
{
// TODO Auto-generated method stub

}
protected function arrToXml():void{
var root:XML=<root/>;
for(var i:int=0;i<dgdp.length;i++){
var node:XML=new XML(<node/>);
node.id=dgdp[i].id;
node.name=dgdp[i].name;
node.score=dgdp[i].score;
root.appendChild(node);
}
Alert.show(root.toXMLString());
}
]]>
</fx:Script>
<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
<s:HTTPService id="http"
method="POST"
useProxy="false"
url="data/data.xml"
resultFormat="e4x"
result="http_resultHandler(event)"
fault="http_faultHandler(event)"/>
</fx:Declarations>
<s:DataGrid id="dg" dataProvider="{dgdp}" x="202" y="41" width="346" height="164" requestedRowCount="4">
<s:columns>
<s:ArrayList>
<s:GridColumn dataField="id" headerText="id"></s:GridColumn>
<s:GridColumn dataField="name" headerText="name"></s:GridColumn>
<s:GridColumn dataField="score" headerText="score"></s:GridColumn>
</s:ArrayList>
</s:columns>
</s:DataGrid>
</s:Application>

<?xml version="1.0" encoding="UTF-8"?>
<data value="test01">
<data1 id="1" value="test01">
<id id="1000" value="test02" />
<name name="test1" value="test03" />
<des id="1000" name="test1" score="75" classes="1class" value="test04" />
</data1>
<data2 id="2" value="test02">
<id id="1001" value="test06" />
<name name="test2" value="test07" />
<des id="1001" name="test2" score="85" classes="2class" value="test08" />
</data2>
</data>