1、设计思路

（1）设计一个组合图，该图共用一个数据源

（2）组合图是有柱状图和折线图组合的

（3）柱状图显示的数据是依据左边的竖直轴，折线图的数据依据右边的竖直轴

2、源码如下

DoubleY.mxml：

复制代码 代码如下:

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

<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"

xmlns:s="library://ns.adobe.com/flex/spark"

xmlns:mx="library://ns.adobe.com/flex/mx"

width="100%" height="100%">

<s:layout>

<s:BasicLayout/>

</s:layout>

<fx:Declarations>

<s:SolidColor id="sc1" color="0x00BFFF" alpha=".3"/>

<mx:SolidColorStroke id="s1" color="0x00BFFF" weight="2"/>

</fx:Declarations>

<fx:Script>

<![CDATA[

import mx.collections.ArrayCollection;

//组合图数据绑定

[Bindable]

private var gridArray:ArrayCollection = new ArrayCollection([

{quarter:"第一季度",Monday:"78454",Tuesday:"45454",Wednesday:"12012",Thursday:"78441",Friday:"32314",Saturday:"89454",Sunday:"45421",Rate:"23"},

{quarter:"第二季度",Monday:"56444",Tuesday:"65612",Wednesday:"78454",Thursday:"45124",Friday:"35451",Saturday:"45421",Sunday:"65421",Rate:"47"},

{quarter:"第三季度",Monday:"51210",Tuesday:"94210",Wednesday:"65643",Thursday:"45011",Friday:"45122",Saturday:"45421",Sunday:"65988",Rate:"13"},

{quarter:"第四季度",Monday:"61210",Tuesday:"45122",Wednesday:"65323",Thursday:"95110",Friday:"65623",Saturday:"45111",Sunday:"65311",Rate:"17"}

]);

]]>

</fx:Script>

<mx:VBox width="100%" height="100%">

<mx:ColumnChart id="chart" width="100%" height="90%" showDataTips="true" fontSize="16" dataProvider="{gridArray}">

<>

<mx:horizontalAxis>

<mx:CategoryAxis dataProvider="{}" categoryField="quarter"/>

</mx:horizontalAxis>

<>

<mx:verticalAxis>

<mx:LinearAxis minimum="0.00" maximum="100000.00"/>

</mx:verticalAxis>

<>

<mx:series>

<mx:ColumnSeries id="column1" xField="quarter" yField="Monday" displayName="星期一"/>

<mx:ColumnSeries id="column2" xField="quarter" yField="Tuesday" displayName="星期二"/>

<mx:ColumnSeries id="column3" xField="quarter" yField="Wednesday" displayName="星期三"/>

<mx:ColumnSeries id="column4" xField="quarter" yField="Thursday" displayName="星期四"/>

<mx:ColumnSeries id="column5" xField="quarter" yField="Friday" displayName="星期六"/>

<mx:ColumnSeries id="column6" xField="quarter" yField="Saturday" displayName="星期七"/>

<mx:ColumnSeries id="column7" xField="quarter" yField="Sunday" displayName="星期八"/>

</mx:series>

<>

<mx:secondVerticalAxis>

<mx:LinearAxis minimum="0.00" maximum="100.00"/>

</mx:secondVerticalAxis>

<>

<mx:secondSeries>

<mx:LineSeries id="line" dataProvider="{gridArray}" xField="quarter" yField="Rate" displayName="比率"/>

</mx:secondSeries>

</mx:ColumnChart>

<>

<mx:HBox>

<s:Label width="25"/>

<mx:Legend dataProvider="{chart}" fontSize="20" width="100%" height="30" direction="horizontal" horizontalGap="45" verticalGap="45"/>

</mx:HBox>

</mx:VBox>

</s:Application>

3、显示结果