<h3>HTML5 图片上传预览</h3> <input id="img" type="file" accept="image/*" /> <div id="photo"></div>
<script type="text/javascript">
$(function() {
$('#img').change(function() {
var file = this.files[0];
var r = new FileReader();
r.readAsDataURL(file);
$(r).load(function() {
$('#photo').html('<img src="' + this.result + '" alt="" />');
})
})
})
</script>
