<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>JS上传前预览图片</title>
<script type="text/javascript" language="javascript">
<!--
function PreviewImg(imgFile){
var newPreview = document.getElementById("newPreview");
var imgDiv = document.createElement("div");
document.body.appendChild(imgDiv);
imgDiv.style.width = "118px"; imgDiv.style.height = "127px";
imgDiv.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod = scale)";
imgDiv.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = imgFile.value;
newPreview.appendChild(imgDiv);
var showPicUrl = document.getElementById("showPicUrl");
showPicUrl.innerText=imgFile.value;
newPreview.style.width = "80px";
newPreview.style.height = "60px";
}
-->
</script>
</head>
<body>
<p>hello看我</p>
<div id="newPreview"></div>
<div id="showPicUrl"></div>
<hr />
<p>
选择图片：<input type="file" size="20" οnchange="javascript:PreviewImg(this);" />
</p>
</body>
</html>
javascript上传前图片预览
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