Flex PieChart点击效果收藏
<?xml version="1.0" encoding="utf-8"?><!-- http://blog.flexexamples.com/2007/11/22/animating-a-flex-piechart-controls-rotation-when-a-user-clicks-on-an-item/ --><mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" verticalAlign="middle" backgroundColor="white"> <mx:Script> <![CDATA[ import mx.effects.easing.*; import mx.charts.series.items.PieSeriesItem; import mx.charts.events.ChartItemEvent; private function pieChart_itemClick(evt:ChartItemEvent):void { var item:PieSeriesItem = evt.hitData.chartItem as PieSeriesItem; var degrees:Number = radiansToDegrees(item.startAngle); var arr:Array = []; if (checkBox.selected) { arr[item.index] = 0.2; } pieSeries.perWedgeExplodeRadius = arr; pieSeries.startAngle -= degrees; dp.refresh(); } private function radiansToDegrees(radians:Number):Number { return radians * (180 / Math.PI); } ]]> </mx:Script> <mx:XMLListCollection id="dp"> <mx:source> <mx:XMLList> <product label="Product 1" data="3" /> <product label="Product 2" data="1" /> <product label="Product 3" data="4" /> <product label="Product 4" data="1" /> <product label="Product 5" data="5" /> <product label="Product 6" data="9" /> </mx:XMLList> </mx:source> </mx:XMLListCollection> <mx:ApplicationControlBar dock="true"> <mx:CheckBox id="checkBox" label="Use perWedgeExplodeRadius:" labelPlacement="left" selected="true" /> </mx:ApplicationControlBar> <mx:PieChart id="pieChart" dataProvider="{dp}" showDataTips="true" itemClick="pieChart_itemClick(event);" height="100%" width="100%"> <mx:series> <mx:PieSeries id="pieSeries" field="@data" nameField="@label"> <mx:showDataEffect> <mx:SeriesInterpolate duration="1500" easingFunction="{Elastic.easeOut}" /> </mx:showDataEffect> <mx:filters> <mx:DropShadowFilter /> </mx:filters> </mx:PieSeries> </mx:series> </mx:PieChart> <mx:Legend dataProvider="{pieChart}" direction="horizontal" /></mx:Application>? 1 楼 zengzhiqin 2012-08-03 更新数据后，图例的颜色都消失了。楼主有没有研究过这种问题怎么解决呢 2 楼 nbkangta 2012-08-04 zengzhiqin 写道更新数据后，图例的颜色都消失了。楼主有没有研究过这种问题怎么解决呢