<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script src="imguploadpreview.js"></script>
</head>
<body>
<div id="uploadfiles">
</div>
<br><br><br><br><br><br>
<div id="uploadfiles2">
</div>
<iframe src="" frameborder="0"></iframe>
<script>
var p1 = new uploadpreview("uploadfiles", 2); //div 的 Id 和 图片控件的个数
var p2 = new uploadpreview("uploadfiles2", 3);
</script>
</body>
</html>