这是模仿的一个网站的菜单效果，现在那个网站也不存在了，就不放链接了。O(∩_∩)O~
菜单内容没做,O(∩_∩)O~

源码：

package com.litefeel
{
    import flash.display.Shape;
    import flash.display.Sprite;
    import flash.events.MouseEvent;
    import gs.easing.Strong
    import gs.TweenLite;

    /**
     * www.litefeel.com
     * lite3@qq.com
     * qq:735486078;
     * @author lite3
     */
    [SWF(width="800", height="400", frameRate="30", backgroundColor="#cccccc")]
    public class MenuEffect extends Sprite
    {

        private var top:Number = 50;
        private var middle:Number = 150;
        private var btnHeight:Number = 30;
        private var speed:Number = 600;

        private var myPanel:MyPanel = new MyPanel();
        private var panelMask:Shape = new Shape();

        public function MenuEffect()
        {
            initUI();
        }

        private function initUI():void
        {
            myPanel.x = 100;
            myPanel.y = middle;
            myPanel.buttonMode = true;
            addChild(myPanel);
            myPanel.addEventListener(MouseEvent.MOUSE_OVER, overHandler);
            myPanel.addEventListener(MouseEvent.MOUSE_OUT, outHandler);

            panelMask.graphics.beginFill(0);
            panelMask.graphics.drawRect(0, 0, 150, btnHeight);
            panelMask.graphics.endFill();
            panelMask.x = 100;
            panelMask.y = middle;
            addChild(panelMask);

            myPanel.mask = panelMask;
        }

        /**
         * 鼠标离开的效果
         *
         * @param   e
         */
        private function overHandler(e:MouseEvent):void
        {
            var time:Number = (myPanel.height - panelMask.height) / speed;
            TweenLite.to(myPanel, time, { y:top, ease:Strong.easeOut } );
            TweenLite.to(panelMask, time, { y:top, height:myPanel.height, ease:Strong.easeOut } );
        }

        private function outHandler(e:MouseEvent):void
        {
            var time:Number = (panelMask.height - btnHeight) * .5 / speed;
            TweenLite.to(myPanel, time, { y:middle, ease:Strong.easeOut } );
            TweenLite.to(panelMask, time, { y:middle, height:btnHeight, ease:Strong.easeOut } );
        }
    }
}
import flash.display.Sprite;
import flash.text.TextField;

/**
 * 所有菜单项都在这里定义,O(∩_∩)O~,测试用的,没写那么多
 */
class MyPanel extends Sprite
{
    public function MyPanel()
    {
        graphics.beginFill(0xFFFF00);
        graphics.drawRect(0, 0, 150, 320);
        graphics.endFill();
        var txt:TextField = new TextField();
        var logo:String = "<a href="http://www.litefeel.com" target="_blank"><img src="http://www.litefeel.com/logo/logo.jpg" alt="" vspace="20" /></a>";
        txt.htmlText = "A, this is head!\n\n\n\n" + logo;
        txt.htmlText += "\n\n\n\n\n\n\n\n\n\n\nC\nD\nE\nF\nG\nH\nI\nJ\nK, this is end!";

        txt.width = 130;
        txt.height = 320;
        txt.selectable = false;
        txt.wordWrap = true;
        addChild(txt);
    }
}