<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style type="text/css">
.walk_show{
width:120px;
height:182px;
border:1px solid #333;
margin:50px auto 0;
overflow:hidden;
position:relative;
}
.walk_show img{
position:absolute;
left:0px;
top:0px;
}
</style>
<script type="text/javascript">
window.onload = function(){
var oImg = document.getElementById('img01');
var nowleft = 0;
function fnMove(){
nowleft -= 120;
if(nowleft<-840)
{
nowleft=0;
}
oImg.style.left = nowleft + 'px';
}
setInterval(fnMove,120);
}
</script>
</head>
<body>
<p>使用下面这张图片制作关键帧动画</p>
<img src="images/walking.png" alt="人物走路">
<div class="walk_show">
<img src="images/walking.png" alt="人物走路" id="img01">
</div>
</body>
</html>