flex Alert

<?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" creationComplete="init()">
?? ?<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.controls.Alert;
?? ??? ??? ?public function? init():void
?? ??? ??? ?{
?? ??? ??? ??? ?Alert.show("HELLO DANDAN!");
?? ??? ??? ?}
?? ??? ?]]>
?? ?</fx:Script>
</s:Application>
现在看看挺简单，当时可摸索了好一会儿的~菜鸟的痛有谁懂