Flex中如何利用PieSeries类的stroke样式和mx.graphics.Stroke创建一个自定义边框颜色和厚度的PieChart图表的例子

By Minidxer | November 12, 2008

接下来的例子演示了Flex中如何利用PieSeries类的stroke样式和mx.graphics.Stroke，创建一个自定义边框颜色和厚度的PieChart图表。

让我们先来看一下Demo（可以右键View Source或点击这里察看源代码）：

下面是完整代码(或点击这里察看)：

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white">
<mx:Script>
<![CDATA[
import mx.graphics.Stroke;
private function setStroke(evt:Event):void {
var stroke:Stroke = new Stroke();
stroke.color = colorPicker.selectedColor;
stroke.weight = slider.value;
pieSeries.setStyle("stroke", stroke);
}
]]>
</mx:Script>
<mx:XML id="dp">
<products>
<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" />
</products>
</mx:XML>
<mx:ApplicationControlBar dock="true">
<mx:Form>
<mx:FormItem label="color:">
<mx:ColorPicker id="colorPicker"
change="setStroke(event);" />
</mx:FormItem>
<mx:FormItem label="weight:">
<mx:HSlider id="slider"
minimum="0"
maximum="10"
value="1"
liveDragging="true"
snapInterval="1"
tickInterval="1"
change="setStroke(event);" />
</mx:FormItem>
</mx:Form>
</mx:ApplicationControlBar>
<mx:PieChart id="pieChart"
dataProvider="{dp.product}"
height="250"
width="100%">
<mx:series>
<mx:PieSeries id="pieSeries"
field="@data">
<mx:stroke>
<mx:Stroke color="black"
weight="2" />
</mx:stroke>
<mx:filters>
<mx:Array />
</mx:filters>
</mx:PieSeries>
</mx:series>
</mx:PieChart>
</mx:Application>

代码：Peter deHaan 翻译/整理/编译：中文Flex例子

Topics: Chart | No Comments » | 462 views Tags: PieChart, PieSeries, stroke

中文Flex例子