as3 页游中，新手指导中，屏蔽所有交互对象，但除了指定交互对象可用的方法【转http://blog.csdn.net/linjf520/article/details/9450945】

package
{
    import flash.display.InteractiveObject;
    import flash.display.Stage;
    import flash.events.MouseEvent;

    /**
     * 新手指导管理器
     * @author jave.lin
     * @date 2013-7-24
     */
    public class GuideManager{

        private static var stage:Stage;

        /**设置舞台*/
        public static function setStage(stage:Stage):void{
            GuideManager.stage = stage;
        }
        /**锁定全局*/
        public static function lockAll():void{
            if(!stage) throw new Error("GuideManager未设置stage");
            stage.addEventListener(MouseEvent.CLICK, onLockAll, true, int.MAX_VALUE);
            stage.addEventListener(MouseEvent.MOUSE_DOWN, onLockAll, true, int.MAX_VALUE);
            stage.addEventListener(MouseEvent.MOUSE_UP, onLockAll, true, int.MAX_VALUE);
            stage.addEventListener(MouseEvent.MOUSE_MOVE, onLockAll, true, int.MAX_VALUE);
            stage.addEventListener(MouseEvent.MOUSE_OVER, onLockAll, true, int.MAX_VALUE);
            stage.addEventListener(MouseEvent.MOUSE_OUT, onLockAll, true, int.MAX_VALUE);
            stage.addEventListener(MouseEvent.MOUSE_WHEEL, onLockAll, true, int.MAX_VALUE);
        }
        /**解除锁定全局*/
        public static function unLockAll():void{
            stage.removeEventListener(MouseEvent.CLICK, onLockAll, true);
            stage.removeEventListener(MouseEvent.MOUSE_DOWN, onLockAll, true);
            stage.removeEventListener(MouseEvent.MOUSE_UP, onLockAll, true);
            stage.removeEventListener(MouseEvent.MOUSE_MOVE, onLockAll, true);
            stage.removeEventListener(MouseEvent.MOUSE_OVER, onLockAll, true);
            stage.removeEventListener(MouseEvent.MOUSE_OUT, onLockAll, true);
            stage.removeEventListener(MouseEvent.MOUSE_WHEEL, onLockAll, true);
        }

        private static function onLockAll(e:MouseEvent):void{
            e.preventDefault();
            e.stopImmediatePropagation();
            e.stopPropagation();
        }

        /**当前激活，可以控制的对象*/
        public static var curActivedObj:InteractiveObject;

        /**
         * 屏蔽掉所有鼠标操作，但除了指定的obj交互对象
         * (如果需要屏蔽键盘操作也但样加上对所有键盘事件的处理)
         * */
        public static function lockAllButThisOne(obj:InteractiveObject):void{
            unLock();
            curActivedObj = obj;
            stage.addEventListener(MouseEvent.CLICK, checkEvent, true, int.MAX_VALUE);
            stage.addEventListener(MouseEvent.MOUSE_DOWN, checkEvent, true, int.MAX_VALUE);
            stagej.addEventListener(MouseEvent.MOUSE_UP, checkEvent, true, int.MAX_VALUE);
            stage.addEventListener(MouseEvent.MOUSE_MOVE, checkEvent, true, int.MAX_VALUE);
            stage.addEventListener(MouseEvent.MOUSE_OVER, checkEvent, true, int.MAX_VALUE);
            stage.addEventListener(MouseEvent.MOUSE_OUT, checkEvent, true, int.MAX_VALUE);
            stage.addEventListener(MouseEvent.MOUSE_WHEEL, checkEvent, true, int.MAX_VALUE);
        }

        /**解除屏蔽*/
        public static function unLock():void{
            if(stage){
                stage.removeEventListener(MouseEvent.CLICK, checkEvent, true);
                stage.removeEventListener(MouseEvent.MOUSE_DOWN, checkEvent, true);
                stage.removeEventListener(MouseEvent.MOUSE_UP, checkEvent, true);
                stage.removeEventListener(MouseEvent.MOUSE_MOVE, checkEvent, true);
                stage.removeEventListener(MouseEvent.MOUSE_OVER, checkEvent, true);
                stage.removeEventListener(MouseEvent.MOUSE_OUT, checkEvent, true);
                stage.removeEventListener(MouseEvent.MOUSE_WHEEL, checkEvent, true);
            }
        }

        /**检查、滤过交互对象的事件*/
        private static function checkEvent(e:MouseEvent):void{
            if(e.target != curActivedObj){//所有鼠标触发的事件都屏蔽
                e.preventDefault();
                e.stopImmediatePropagation();
                e.stopPropagation();
            }
        }
    }
}

import flash.display.Sprite;

class Main extends Sprite{

    private var btnVec:Vector.<Sprite>;

    public function Main(){
        btnVec = new Vector.<Sprite>();
        for (var i:int = 0; i < 10; i++){
            var btn:Sprite = getBtn();
            btn.x = 100;
            btn.y = 100 + (30 * i);
            addChild(btn);
        }
        //这里我只想第5个按钮可用，其它都不可用即可
        GuideManager.setStage(stage);//这里只需要在游戏初始化时setStage一次即可
        GuideManager.lockAllButThisOne(btnVec[4]);
//        //解除屏蔽
//        GuideManager.unLock();
    }

    private function getBtn():Sprite{
        var result:Sprite = new Sprite();
        result.graphics.beginFill(uint(Math.random() * uint.MAX_VALUE));
        result.graphics.drawRect(0, 0, 100, 30);
        result.graphics.endFill();
        return result;
    }
}