flex_咖啡收藏示例;

<?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" pageTitle="咖啡收藏示例"> ?? ?<fx:Declarations> ?? ??? ?<!-- 将非可视元素（例如服务、值对象）放在此处 --> ?? ?</fx:Declarations> ?? ? ?? ?<fx:Script> ?? ??? ?<![CDATA[ ?? ??? ??? ?import mx.collections.ArrayCollection; ?? ??? ??? ?import mx.controls.Alert; ?? ??? ??? ? ?? ??? ??? ?[Bindable] ?? ??? ??? ?public var myArray:ArrayCollection = new ArrayCollection([?? ? ?? ??? ??? ??? ?{label: "蓝山咖啡",data: "精致典雅"},?? ??? ??? ??? ?{label: "红海咖啡",data: "润滑而且芳香浓郁"},?? ??? ??? ??? ?{label: "安第斯山脉咖啡",data: "浓郁以及伴有辛辣口味"} ?? ??? ??? ?]); ?? ??? ??? ? ?? ??? ??? ?[Bindable] ?? ??? ??? ?public var myCartArray:ArrayCollection = new ArrayCollection([]); ?? ??? ??? ? ?? ??? ??? ?// 添加咖啡进list列表。 ?? ??? ??? ?protected function addToCart():void ?? ??? ??? ?{ ?? ??? ??? ??? ?var selectedobj:Object = myCombo.selectedItem; ?? ??? ??? ??? ? ?? ??? ??? ??? ?if(myCartArray.getItemIndex(selectedobj)<0) { ?? ??? ??? ??? ??? ?myCartArray.addItem(selectedobj); ?? ??? ??? ??? ?}else { ?? ??? ??? ??? ??? ?trace("=>提示：改咖啡已经存在！"); ?? ??? ??? ??? ?} ?? ??? ??? ?} ?? ??? ?]]> ?? ?</fx:Script> ?? ? ?? ?<!--view--> ?? ?<s:Panel title="My First Flex" width="450" height="265" horizontalCenter="0" verticalCenter="0"> ?? ??? ?<s:Label x="14" y="10" fontSize="16" text="Coffee Blends"/> ?? ??? ?<s:ComboBox id="myCombo" x="14" y="30" dataProvider="{myArray}"/> ?? ??? ?<mx:Text x="10" y="65" width="150" height="53" text="描述：{myCombo.selectedItem.data}；"/> ?? ??? ? ?? ??? ?<s:Button x="94" y="125" label="购买" click="addToCart()"/> ?? ??? ? ?? ??? ?<s:List id="myCart" dataProvider="{myCartArray}" x="10" y="158" width="154" height="69"/> ?? ??? ? ?? ??? ?<s:Label x="192" y="10" width="85" fontSize="16" text="咖啡列表"/> ?? ??? ?<s:List id="list" dataProvider="{myArray}" labelField="label" x="192" y="32" width="246" height="136"/> ?? ?</s:Panel> ?? ? </s:Application>