数据源改变后，BarChart组件的运动效果.

showDataEffect属性.

barSeries.xField 属性

barSeries.displayName 属性

示例：

代码：

<?xml version="1.0" encoding="utf-8"?>

<!-- http://blog.flexexamples.com/2007/10/15/using-data-effects-to-animate-chart-data/ -->

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"

layout="vertical"

verticalAlign="middle"

backgroundColor="white">

<mx:Script>

<![CDATA[

private function updateDP():void {

var str:String = categoryFieldComboBox.selectedItem.data;

barSeries.xField = str;

barSeries.displayName = str;

}

]]>

</mx:Script>

<mx:SeriesInterpolate id="seriesInterpolate" duration="1000" />

<mx:SeriesSlide id="seriesSlide" duration="1000" direction="right" />

<mx:SeriesZoom id="seriesZoom" duration="1000" />

<mx:Array id="dataEffects">

<mx:Object label="seriesInterpolate" data="{seriesInterpolate}" />

<mx:Object label="seriesSlide" data="{seriesSlide}" />

<mx:Object label="seriesZoom" data="{seriesZoom}" />

</mx:Array>

<mx:Array id="categoryFields">

<mx:Object data="obp" label="OBP" />

<mx:Object data="slg" label="SLG" />

<mx:Object data="avg" label="AVG" />

</mx:Array>

<mx:ArrayCollection id="arrColl">

<mx:source>

<mx:Array>

<mx:Object name="R Winn" obp=".353" slg=".445" avg=".300" />

<mx:Object name="P Feliz" obp=".290" slg=".418" avg=".253" />

<mx:Object name="O Vizquel" obp=".305" slg=".316" avg=".246" />

<mx:Object name="B Molina" obp=".298" slg=".433" avg=".276" />

<mx:Object name="R Durham" obp=".295" slg=".343" avg=".218" />

</mx:Array>

</mx:source>

</mx:ArrayCollection>

<mx:ApplicationControlBar dock="true">

<mx:Form>

<mx:FormItem label="categoryField:">

<mx:ComboBox id="categoryFieldComboBox"

dataProvider="{categoryFields}"

change="updateDP();" />

</mx:FormItem>

<mx:FormItem label="showDataEffect:">

<mx:ComboBox id="showDataEffectComboBox"

dataProvider="{dataEffects}"

change="updateDP();" />

</mx:FormItem>

</mx:Form>

</mx:ApplicationControlBar>

<mx:BarChart id="barChart"

showDataTips="true"

dataProvider="{arrColl}"

width="100%"

height="100%">

<mx:verticalAxis>

<mx:CategoryAxis categoryField="name"/>

</mx:verticalAxis>

<mx:series>

<mx:BarSeries id="barSeries"

yField="name"

xField="obp"

displayName="obp"

showDataEffect="{showDataEffectComboBox.selectedItem.data}" />

</mx:series>

</mx:BarChart>

</mx:Application>