flex三种连级方式

 flex三种连级方式:
   内联：<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="var codetxt:Text=new Text">
         </mx:Application>
   级联：<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="sayhello();">
  <mx:Script>
          <![CDATA[
   pblic function sayhello() : void {
    var codetxt:Text=new Text
   }
  ]]>
  </mx:Script>
  </mx:Application>
   外联：<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="sayhello();">
         <mx:Scrit source="/hellofunc.as"></mx:Script>
    </mx:Application>