原文 http://blog.minidx.com/2008/11/27/1652.html
接下来的例子演示了Flex中如何通过设置GridLines对象的horizontalAlternateFill样式，交错显示LineSeries图表背景颜色。
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)：
Download:
main.mxml
- <?xmlversion="1.0"?>
- <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
- layout="vertical"
- verticalAlign="middle"
- backgroundColor="white">
- <mx:XMLListCollection id="dp">
- <mx:source>
- <mx:XMLList>
- <quote date="8/27/2007"open="40.38"close="40.81"/>
- <quote date="8/24/2007"open="40.5"close="40.41"/>
- <quote date="8/23/2007"open="40.82"close="40.6"/>
- <quote date="8/22/2007"open="40.4"close="40.77"/>
- <quote date="8/21/2007"open="40.41"close="40.13"/>
- <quote date="8/20/2007"open="40.55"close="40.74"/>
- <quote date="8/17/2007"open="40.18"close="40.32"/>
- <quote date="8/16/2007"open="39.83"close="39.96"/>
- <quote date="8/15/2007"open="40.22"close="40.18"/>
- <quote date="8/14/2007"open="41.01"close="40.41"/>
- <quote date="8/13/2007"open="41"close="40.83"/>
- <quote date="8/10/2007"open="41.3"close="41.06"/>
- <quote date="8/9/2007"open="39.9"close="40.75"/>
- <quote date="8/8/2007"open="39.61"close="40.23"/>
- <quote date="8/7/2007"open="39.08"close="39.42"/>
- <quote date="8/6/2007"open="38.71"close="39.38"/>
- <quote date="8/3/2007"open="39.47"close="38.75"/>
- <quote date="8/2/2007"open="39.4"close="39.52"/>
- <quote date="8/1/2007"open="40.29"close="39.58"/>
- </mx:XMLList>
- </mx:source>
- </mx:XMLListCollection>
- <mx:LineChart id="lineChart"
- showDataTips="true"
- dataProvider="{dp}"
- width="100%"
- height="100%">
- <mx:backgroundElements>
- <mx:GridLines>
- <mx:horizontalAlternateFill>
- <mx:SolidColor color="haloSilver"alpha="0.25"/>
- </mx:horizontalAlternateFill>
- </mx:GridLines>
- </mx:backgroundElements>
- <!-- vertical axis -->
- <mx:verticalAxis>
- <mx:LinearAxis baseAtZero="false"title="Price"/>
- </mx:verticalAxis>
- <!-- horizontal axis -->
- <mx:horizontalAxis>
- <mx:CategoryAxis id="ca"categoryField="@date"title="Date"/>
- </mx:horizontalAxis>
- <!-- horizontal axis renderer -->
- <mx:horizontalAxisRenderers>
- <mx:AxisRenderer axis="{ca}"canDropLabels="true"/>
- </mx:horizontalAxisRenderers>
- <!-- series -->
- <mx:series>
- <mx:LineSeries yField="@open"form="curve"displayName="Open"/>
- </mx:series>
- </mx:LineChart>
- </mx:Application>
代码：Peter deHaan 翻译/整理/编译：中文Flex例子
