flex 图标设置百分比或者其它符号

<?xml version="1.0"?><!-- charts/PredefinedAxisStyles.mxml --><mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"><mx:Script><!--[CDATA[//导入相关包 import mx.collections.ArrayCollection;import mx.charts.*;import mx.charts.series.items.ColumnSeriesItem; import mx.charts.ChartItem; import mx.charts.chartClasses.Series; import mx.charts.chartClasses.IAxis; import mx.utils.ObjectUtil; [Bindable]public var expenses:ArrayCollection = new ArrayCollection([{Month:"Jan", Profit:20, Expenses:15},{Month:"Feb", Profit:10, Expenses:20},{Month:"Jun", Profit:30, Expenses:40},{Month:"Aug", Profit:15, Expenses:25},{Month:"Set", Profit:40, Expenses:45}]);public function myLabelFormat(obj:Object,pcat:Object,ax:LinearAxis):String {return numForm.format(obj)+"%";}private function setCustomLabel(element:ChartItem, series:Series):String {// Get a refereence to the current data element.var data:ColumnSeriesItem = ColumnSeriesItem(element); // Get a reference to the current series. var currentSeries:ColumnSeries = ColumnSeries(series);// Create a return String and format the number.return numForm.format(data.yNumber) + "%"; }public function myLabelDisplay(hd:HitData):String{//return hd.displayText + "%";//var curObj:Object = hd.item; //var curSeries:BarSeries = BarSeries(hd.chartItem.element); // 获得当前的BarSeries //return curObj.qual + "-" + curSeries.displayName + "/n" //+ uqStatistics.getUQAs(curSeries.xField, curObj.qualObj).length //+ RM.getString(BUNDLE_DASHBOARD, "label.piece"); var curObj:Object = hd.item; var curSeries:ColumnSeries = ColumnSeries(hd.chartItem.element);if(curSeries.yField == "Profit")return curSeries.yField + ":" + hd.item.Profit + "%";else return curSeries.yField + ":" + hd.item.Expenses + "%";}]]--></mx:Script><mx:NumberFormatter id="numForm" useThousandsSeparator="true"/><mx:Panel title="Using Predefined Axis Styles"><mx:ColumnChart id="column" dataProvider="{expenses}" showDataTips="true" dataTipFunction="myLabelDisplay" ><mx:horizontalAxis><mx:CategoryAxis dataProvider="{expenses}" categoryField="Month"/></mx:horizontalAxis><!-- 设置纵坐标读取的属性 --> <!-- 设置横坐标的最小刻度以及最大刻度，另外调用labelFunction重写刻度格式为百分比 --> <mx:verticalAxis><mx:LinearAxis minimum="0" maximum="50" labelFunction="myLabelFormat"/> </mx:verticalAxis><mx:series><mx:ColumnSeries xField="Month" yField="Profit"displayName="Profit" labelPosition="outside" labelFunction="setCustomLabel"/><mx:ColumnSeries xField="Month" yField="Expenses"displayName="Expenses" labelPosition="outside" labelFunction="setCustomLabel"/></mx:series></mx:ColumnChart><mx:Legend dataProvider="{column}"/></mx:Panel><mx:Style>ColumnChart {horizontalAxisStyleName:myAxisStyles;verticalAxisStyleName:myAxisStyles;}.myAxisStyles {tickPlacement:none;}</mx:Style></mx:Application>