PieChar,此代码参考网上

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" width="100%" height="100%">
    <mx:Script>
        <![CDATA[
            import mx.charts.series.items.PieSeriesItem;
            import mx.charts.events.ChartItemEvent;
            import mx.effects.easing.*;
            
            private function perEvent(evt:ChartItemEvent):void{
                var obj:PieSeriesItem = evt.hitData.chartItem as PieSeriesItem;
                var dgrees:Number = radius(obj.startAngle);
                var arr:Array = [];
                if (cbox.selected)
                    arr[obj.index] = 0.2;
                pser.perWedgeExplodeRadius = arr;    //块变化
                //pser.startAngle -= dgrees;            //转动
                
                pd.refresh();
            }
            private function radius(n1:Number):Number{
                return n1*(180/Math.PI);
            }
        ]]>
    </mx:Script>
    <!-- 显示的数据集 -->
    <mx:XMLListCollection id="pd">
        <mx:source>
            <mx:XMLList xmlns="">
                <product label="data1" data="5"/> 
                <product label="data2" data="7"/> 
                <product label="data3" data="1"/> 
                <product label="data4" data="3"/> 
                <product label="data5" data="8"/> 
                <product label="data6" data="4"/> 
                <product label="data7" data="6"/> 
                <product label="data8" data="9"/> 
            </mx:XMLList>
        </mx:source>
    </mx:XMLListCollection>
    <mx:ApplicationControlBar dock="true" width="400">
        <mx:CheckBox id="cbox" label="Selected" selected="true" />
    </mx:ApplicationControlBar>
    <mx:PieChart id="p1" dataProvider="{pd}" showDataTips="true" itemClick="perEvent(event);" >
        <mx:series>
            <mx:PieSeries id="pser" field="@data" nameField="@label">
                <mx:showDataEffect>
                    <mx:SeriesInterpolate duration="2000" easingFunction="{Elastic.easeOut}" />
                </mx:showDataEffect>
                <mx:filters>
                    <mx:DropShadowFilter/>
                </mx:filters>                                
            </mx:PieSeries>
        </mx:series>
    </mx:PieChart>
    <mx:Legend dataProvider="{p1}" direction="horizontal" />
</mx:Application>