摘要： //保存按键的对象（联合数组）var key_obj:Object = new Object ;function onKeyDownHandler(_evt:KeyboardEvent):void{ //记录当前被按下的键，用键控码也行 key_obj[String.fromCharCode(_evt.keyCode)] = true;}function onKeyUpHandler(_evt:KeyboardEvent):void{ //键弹起，从对象中删除当前键 key_obj[String.fromCharCode(_evt.keyCode)] = null;}... 阅读全文