<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script>
document.onkeydown = keydown;
function keydown(){
var keycode = event.keyCode;
if(keycode==81){
alert("哈撒k");
}else if(keycode==82){
alert("一库");
}else if(keycode==69){
alert("陀螺转");
}else if(keycode==87){
alert("面对疾风吧");
}
}
</script>
</head>
<body>
</body>
</html>