<html>
<head>
<meta charset="utf-8" />
<title></title>
<script>
function rollback(){
setInterval("rollImg()",2000);
}
var i = 1;
function rollImg(){
i++;
if(i === 6){
i = 1;
}
var img_id = document.getElementById("img_id");
img_id.src = "img/"+i+".jpg"
}
</script>
</head>
<body onload="rollback()">
<div style="width: 1200px; height: 800px; border: 5px solid purple; overflow: hidden;">
<img src="img/1.jpg" id="img_id"/>
</div>
</body>
</html>图片自动播放
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