html
<button id="printImg">打印</button>
js
$("#printImg").click(function(){
var agent = navigator.userAgent.toLowerCase() ;
if(agent.indexOf("firefox") > 0)
{
var title="";
$.printImg($(".picBox img"),title);
}else{
var url = $("#acpicM .picBox img").attr("src");
var id=getOssKeyFormUrl(url);
window.open("${rootname}/attachments/img/"+id+"/get.do");
}
});