flex中的Repeater的用法，类似Java中的for循环

RepeaterExample.mxml

<?xml version="1.0"?><!-- Simple example to demonstrate the Repeater class. --><s:Application name="RepeaterExample"        xmlns:fx="http://ns.adobe.com/mxml/2009"        xmlns:s="library://ns.adobe.com/flex/spark"        xmlns:mx="library://ns.adobe.com/flex/mx">RepeaterExample.mxml<?xml version="1.0"?><!-- Simple example to demonstrate the Repeater class. --><s:Application name="RepeaterExample"        xmlns:fx="http://ns.adobe.com/mxml/2009"        xmlns:s="library://ns.adobe.com/flex/spark"        xmlns:mx="library://ns.adobe.com/flex/mx">    <fx:Script>        <![CDATA[            import mx.controls.Alert;            [Bindable]            private var dp:Array = ["asd", "aszx", "cvd","sdsd", "asdw","qwe"];                private function showAlert(evt:MouseEvent):void {                Alert.show(String(evt.currentTarget.getRepeaterItem()) + " pressed");            }        ]]>    </fx:Script>    <s:Panel title="Repeater Example"            width="75%" height="75%"            horizontalCenter="0" verticalCenter="0">        <s:VGroup left="10" right="10" top="10" bottom="10">            <s:Label width="100%" color="blue"                 text="Use the Repeater class to create 9 Button controls in a 3 by 3 Tile container."/>            <mx:Tile direction="horizontal" borderStyle="inset"                 horizontalGap="10" verticalGap="15"                paddingLeft="10" paddingTop="10" paddingBottom="10" paddingRight="10">                <mx:Repeater id="rp" dataProvider="{dp}">                    <s:Button height="49" width="50"                        label="{String(rp.currentItem)}"                        click="showAlert(event);"/>                </mx:Repeater>            </mx:Tile>        </s:VGroup>    </s:Panel></s:Application>