<!DOCTYPE html>
<html>
<head>
<meta content="charset=utf-8" />
<!--设置图片上传后预览的div样式-->
<style type="text/css">
*{
float:left;
margin:0;
}
body>div{
width:200px;
height:225px;
text-align:center;
}
#preview, .img, img
{
width:200px;
height:200px;
}
#preview
{
border:1px solid #000;
}
input{
width:200px;
}
</style>
</head>
<body>
<input type="file" onchange="preview(this)" />
<div>
<h3>图片预览</h3>
<div id="preview"></div>
</div>
<script type="text/javascript">
function preview(file)
{
var prevDiv = document.getElementById('preview');
if (file.files!=null && file.files[0]!=null){
var reader = new FileReader();
reader.onload = function(evt){
prevDiv.innerHTML = '<img src="' + evt.target.result + '" />';
};
reader.readAsDataURL(file.files[0]);
}
else{
prevDiv.innerHTML = '<div class="img" style="filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale,src=\'' + file.value + '\'"></div>';
}
}
</script>
</body>
</html>
![](https://images2015.cnblogs.com/blog/791149/201605/791149-20160501134602550-1950722082.png)