flex组件拖拽

<?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/halo" minWidth="1024" minHeight="768"
	>
	<fx:Script>
		<![CDATA[

// 按下鼠标按键时会调用此函数。
       private static function startDragging(event:MouseEvent):void
       {
           event.currentTarget.startDrag();
       }
// 松开鼠标按键时会调用此函数。
       private static function stopDragging(event:MouseEvent):void
       {   
           event.currentTarget.stopDrag();
    	}
		]]>
	</fx:Script>

	<s:Panel id="pan1" x="69" y="68" width="250" height="187"
		rotationZ="10" 
		mouseDown="startDragging(event)" mouseUp="stopDragging(event)">
	</s:Panel>
	<s:Panel id="pan2" x="574" y="225" width="250" height="187"
		 rotationZ="40" 
		 mouseDown="startDragging(event)" mouseUp="stopDragging(event)">
	</s:Panel>
</s:Application>