//創(chuàng)建一個Sound聲音對象
var bgsound = new Sound();
bgsound.attachSound("sound 49"); //在聲音對象上附加音頻鏈接
bgsound.start(0,999); //開始播放
var flag="";
function GotoPosition(n)
{
gotoAndPlay("S"+n);
}
var objlistener = new Object(); //鍵盤事件的偵聽器
//鍵盤按下鍵時
objlistener.onKeyDown = function()
{
//如果按下home鍵
if(Key.getCode()== Key.HOME)
gotoAndPlay("BEGIN"); //跳到開始幀
var keycode = Key.getCode(); //否則其它鍵 就獲取按鍵代碼
//作一個switch的分支判斷
switch(keycode)
{
//按1 2 3 4 5 時 都跳到結束幀
case 49:flag="1";gotoAndPlay("End");break;
case 50:flag="2";gotoAndPlay("End");break;
case 51:flag="3";gotoAndPlay("End");break;
case 52:flag="4";gotoAndPlay("End");break;
case 53:flag="5";gotoAndPlay("End");break;
//s鍵 停止播放下面的類同 具體看鍵盤碼
case 83:stopAllSounds();break;
case 192:gotoAndPlay(1);break;
case Key.BACKSPACE:(new MovieClipLoader).unloadClip(mc1);gotoAndPlay("Begin");break;
case 188:bgsound.setVolume(bgsound.getVolume()-5);break;
case 190:bgsound.setVolume(bgsound.getVolume()+5);break;
case Key.SPACE:bgsound.start(0,999);break;

}

}
Key.addListener(objlistener); //指定鍵盤的事件偵聽器