<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=??????">
<script language="javascript">
<!--
function imgSel()
{
var img = new Image();
img.src = document.imageForm.file.value;
document.imageForm.width.value = img.width;
document.imageForm.height.value = img.height;
document.imageForm.size.value = img.fileSize;
document.images['image'].src = img.src;
}
-->
</script>
</head>
<body>
<form name="imageForm">
宽: <input name="width" type="text" size="6"> 高: <input
name="height" type="text" size="6"> 大小: <input name="size"
type="text" size="6"><br>
<input name="file" type="file" onChange="imgSel()"><br>
<img src="" name="image">
</form>
</body>
</html>
转自 http://info.codepub.com/2006/10/info-7912.html