ArrayCollection -- ComboBox 实例

<?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" minWidth="955" minHeight="600"> <fx:Script> <!--[CDATA[ import mx.collections.ArrayCollection; import mx.controls.Alert; import mx.events.ListEvent; [Bindable] public var cards:ArrayCollection = new ArrayCollection([ {label:"china",data:1}, {label:"USA",data:2}, {label:"England",data:3} ]); protected function country_changeHandler(event:ListEvent):void { Alert.show(country.selectedItem.data); } ]]--> </fx:Script> <fx:Declarations> <!-- 将非可视元素（例如服务、值对象）放在此处 --> </fx:Declarations> <mx:ComboBox id="country" dataProvider="{cards}" change="country_changeHandler(event)" x="106" y="86"/> </s:Application>