<mx:Panel mouseMove="getLocation(event:MouseEvent)"><mx:Button label="Button" /></mx:Panel>
/**
* 得到鼠标位置
* */
private function getLocation(event:MouseEvent):void{
trace("localX:" + event.localX + ",localY:" + event.localY); //相对于组件的坐标,(如果在button上，则相对于button)
trace("stageX:" + event.stageX + ",stageY:" + event.stageY); //相对于整个应用的坐标
trace("mouseX:" + DisplayObject.mouseX + ",mouseY:DisplayObject.mouseY:" + DisplayObject.mouseY); //相对于 DisplayObject容器或组件的坐标
trace("contentMouseX:" + Container.contentMouseX + ",contentMouseY:" + Container.contentMouseY); //相对于容易的坐标
}