flex 3: 使用 tree 控件（三） (

1.tree与datagrid的整合

<?xml version="1.0" encoding="utf-8"?>??
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">??
??????
????<mx:XML id="mydata">??
????????<folder label="邮件" data="mail">??
????????????<folder label="收件箱" data="inbox"/>??
????????????<folder label="个人文件夹" data="person">??
????????????????<folder label="商务信件" data="business"/>??
????????????????<folder label="私人信件" data="private"/>??
????????????????<folder label="其他" data="other"/>??
????????????</folder>??
????????<folder label="已删除" data="delete"/>??
????????</folder>??
????</mx:XML>??
????<mx:Script>??
????????<![CDATA[??
???????????????//这是我们用的数据 通过data的数据来判断显示
????????????private function ListMailCatelog():void{//回调function??
????????????var allArray:Array=mymail.toArray();?????????
????????????var curArray:Array=allArray.filter(cateLogFilter);??
????????????maildg.dataProvider=curArray;??
????????????}??
????