想利用 <mx:XMLListCollection>和 <mx:Sort>结合起来给一段xml排序，结果总是得不到想要的结果，请大家看看
JScript code:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white" viewSourceURL="srcview/index.html">
<mx:XML id="myXML">
<myRoot>
<itemList>
<item code="eight" itemIndex="8">条目八</item>
<item code="twelve" itemIndex="12">条目十二</item>
<item code="five" itemIndex="5">条目五</item>
<item code="fifteen" itemIndex="15">条目十五</item>
</itemList>
</myRoot>
</mx:XML>
<mx:XMLListCollection id="xlc" source="{myXML.itemList.item}" sort="{mySort}" />
<mx:Sort id="mySort">
<mx:fields>
<mx:SortField name="itemIndex" />
</mx:fields>
</mx:Sort>
<mx:List id="list" dataProvider="{xlc}" rowCount="5" width="200" creationComplete="{xlc.ref
<?xml version="1.0" encoding="gb2312" ?>
<sites>
<site>
<name>.Net开发者园地</name>
<url>http://dotnet.aspx.cc</url>
<img&g ......
<XML>
<FLAG>1</FLAG>
<REASON></REASON>
<ADVERT><ADID>64</ADID><ADNAME>英皇娱乐四</ADNAME><ADCONTENT>内容一</ADCONTENT><ADT ......
