<html>
<head>
<script src="http://deepliquid.com/projects/Jcrop/js/jquery.min.js"></script>
</head>
<body>
<input type="file" id="picture" name="picture" size="35" value="" onchange="setImg(this)"/>
<div id="preview_fake" style="margin-left: 50px">
</div>
<img id="preview_size_fake"/>
<style type="text/css">
#preview_fake{
/* 该对象用于在IE下显示预览图片
*/
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale);
}
#preview_size_fake{
/* 该对象只用来在IE下获得图片的原始尺寸，无其它用途
*/
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=image);
visibility:hidden;
}
</style>
<script type="text/javascript">
function setImg(obj){
if( !obj.value.match( /.jpg|.gif|.png|.bmp/i ) ){
alert('图片格式无效！');
return false;
}
$("#preview_fake").empty();
var img = document.createElement("img");
img.setAttribute("src", "");
img.setAttribute("id", "preview");
document.getElementById("preview_fake").appendChild(img);
if($.browser.msie){
if($.browser.version == 6.0){
$("#preview").attr("src",obj.value);
}else{
var objPreview = document.getElementById('preview' );
var objPreviewFake = document.getElementById('preview_fake' );
var objPreviewSizeFake = document.getElementById('preview_size_fake' );
obj.select();
var imgSrc =document.selection.createRange().text;
objPreviewFake.filters.item('DXImageTransform.Microsoft.AlphaImageLoader').src= imgSrc;
objPreviewSizeFake.filters.item('DXImageTransform.Microsoft.AlphaImageLoader').src= imgSrc;
autoSizePreview(objPreviewFake,objPreviewSizeFake.offsetWidth,objPreviewSizeFake.offsetHeight );
objPreview.style.display ='none';
}
}
if($.browser.mozilla){
$("#preview").attr("src",obj.files[0].getAsDataURL());
}
if($.browser.opera){
alert("暂时不支持Opera浏览器");
}
if($.browser.safari){
alert("暂时不支持Safari浏览器");
}
}
</script>
</body>
</html>
