Flex中如何通过自定义label函数对ComboBox的标签（Label）进行格式化的例子
By Minidxer | October 2, 2008
接下来的例子演示了Flex中如何通过自定义label函数，对ComboBox的标签（Label）进行格式化。
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
- <?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.utils.StringUtil;
- private function comboBox_labelFunc(item:Object):String {
- return StringUtil.substitute("{0} ({1})", item.@name, item.@abbrev);
- }
- ]]>
- </mx:Script>
- <mx:XMLList id="statesXMLList">
- <state abbrev="AL" name="Alabama" />
- <state abbrev="AK" name="Alaska" />
- <state abbrev="AZ" name="Arizona" />
- <state abbrev="AR" name="Arkansas" />
- <state abbrev="CA" name="California" />
- <state abbrev="CO" name="Colorado" />
- <state abbrev="CT" name="Connecticut" />
- </mx:XMLList>
- <mx:ComboBox id="comboBox"
- prompt="Please select a State..."
- dataProvider="{statesXMLList}"
- labelFunction="comboBox_labelFunc" />
- </mx:Application>
代码：Peter deHaan 翻译/整理/编译：中文Flex例子
Topics:
Flex |
Tags: ComboBox, labelFunction, prompt, substitute, XMLList