<img src="upload/200906081725365867.gif" id="imgIn" />
<a href="#" onclick="return saveFace(imgIn.src);">保存到电脑</a>
<iframe name="imgFrame" onload="runSave()" style="display:none;"></iframe>
<script type="text/javascript">
function runSave(){
if (imgFrame.location != "about:blank") window.imgFrame.document.execCommand("SaveAs");
}
function saveFace(url){
if(window.imgFrame && url) window.imgFrame.location=url;
return false;
}
</script>