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  • 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

    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>
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  • 原文地址:https://www.cnblogs.com/Fooo/p/1585419.html
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