var bWalk:Boolean=false; stage.addEventListener(KeyboardEvent.KEY_DOWN, playKeyDown); stage.addEventListener(KeyboardEvent.KEY_UP, playKeyUp); function playKeyDown(event:KeyboardEvent) { var codeK:int = event.keyCode; keycode_txt.text=codeK.toString(); switch(codeK) { case 37: //左 actor_mc.gotoAndStop(1); break; case 38: //上 actor_mc.gotoAndStop(3); break; case 39: //右 actor_mc.gotoAndStop(5); break; case 40: //下 actor_mc.gotoAndStop(7); break; } actor_mc.actor.play(); } function playKeyUp(event:KeyboardEvent) { actor_mc.actor.stop(); }