flex图表坐标轴样式设置

<?xml version="1.0"?>
<!-- Simple example to demonstrate the ColumnChart and BarChart controls. -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
creationComplete="initApp()"
backgroundColor="#FFFFFF" width="350" height="125"
layout="absolute">
<!-- 鼠标指中时候弹出提示框的样式，可根据个人情况而修改 -->
<mx:Style>
*{
fontFamily:”Verdana”,”宋体”;
fontSize: 12;
}
</mx:Style>
<mx:Script>
<!--[CDATA[
//导入相关包
import mx.collections.ArrayCollection;
import mx.charts.*;
import mx.charts.series.ColumnSeries;
import mx.charts.series.BarSeries;
import mx.charts.chartClasses.Series;
import mx.collections.ArrayCollection;
import mx.graphics.IFill;
import mx.charts.ChartItem;
import mx.charts.series.items.ColumnSeriesItem;
import mx.charts.series.items.BarSeriesItem;
import mx.charts.CategoryAxis;
import mx.graphics.SolidColor;
//颜色集合
private var arrayColor:Array=["#FF8000", "#00FFFF"];
private static var cnt:int=0;
//定义生成柱状图的数组
[Bindable]
private var medalsAC:ArrayCollection=new ArrayCollection([{date: "重复信息", close: 28, open: 0}, {date: "全部信息", close: 0, open: 100}]);
private var obj2:Array=[{xField: "close", displayName: "left"}, {xField: "open", displayName: "right"}];
/**
* 初始化方法
*/
internal function initApp():void
{
//var aryDailyVoucher:Array=[{date: "type1", close: 41.71}, {date: "type12", close: 44},];
// var obj2:Array=[{xField: "close", displayName: "left"}, {xField: "open", displayName: "right"}];
// bar.dataProvider=medalsAC;
// bar.verticalAxis=setCategoryAxis("date");
// bar.series=setColumnSeries(obj2, "date");
// bar.setStyle("barWidthRatio", 0.5);

}
// /**
// *设置颜色
// */
public functi