DataGrid 颜色背景的控制 Actionscript3版本（三）

<?xml version="1.0" encoding="utf-8"?>
<mx:Application name="DataGrid_textAlign_test"
xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
initialize="init();">

<mx:Script>
<![CDATA[
import mx.controls.dataGridClasses.DataGridHeader;
import mx.utils.ObjectUtil;
import mx.controls.Alert;
import mx.controls.DataGrid;
import mx.controls.dataGridClasses.DataGridColumn;
import mx.rpc.events.FaultEvent;
import mx.rpc.events.ResultEvent;
import mx.rpc.http.HTTPService;
import mx.rpc.xml.SimpleXMLEncoder;
import mx.utils.ObjectUtil;

private var dataGrid:DataGrid;
private var httpServ:HTTPService;


private function init():void {

httpServ = new HTTPService();
httpServ.url = "airlines.xml";
httpServ.resultFormat = "e4x";
httpServ.addEventListener(ResultEvent.RESULT, httpServ_result);
httpServ.addEventListener(FaultEvent.FAULT, httpServ_fault);
httpServ.send();

}

private function httpServ_result(evt:ResultEvent):void {
var x:XML=XML(httpServ.lastResult);
var cols:Array = [];
var dataGridCol1:DataGridColumn;
for each(var y:XML in x.item){

var xmllist:XMLList=y.children();

//get element name and generate datagrid column dynamiclly

for each(var z:XML in xmllist){

var n:String = z.name().toString();
dataGridCol1 = new DataGridColumn(n);
dataGridCol1.itemRenderer = new ClassFactory(BackgroundComp);
cols.push(dataGridCol1);
}
break;

}
dataGrid = new DataGrid();
dataGrid.columns = cols;
addChild(dataGrid);
dataGrid.dataProvider = XML(httpServ.lastResult).item;
}

private function httpServ_fault(evt:FaultEvent):void {
Alert.show("Failed to load: " + evt.currentTarget.url, evt.fault.faultString);
}

]]>
</mx:Script>
</mx:Application>