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;

    }

}