使用jquery.qrcode 生成的二维码，使用window.print(); 无法实现打印
代码如下
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title> </title>
<base href="${base}/">
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<#include "/include/common.html"/>
<script type="text/javascript" src="${base}/styles/js/jquery.qrcode.min.js"></script>
<style type="text/css">
.barcodeImg{margin:10px 0px}
</style>
</head>
<body>
<!--startprint-->
<div style="margin:10px">
<div id="bcTarget" class="barcodeImg"></div>
<div id="qrcode" class="barcodeImg"></div>
</div>
<!--endprint-->
<input type="button" class="btn" value="打印" onclick="printQrcode();" />
</body>
</html>
<script type="text/javascript">
$(function(){
var sc = JSON.stringify(${printSmpleCodeStr});
$("#bcTarget").empty().barcode(sc, "code128", {barWidth:1.5, barHeight:25,showHRI:true});
jQuery('#qrcode').qrcode({width: 64,height: 64,text: sc});
// var bdhtml = window.document.body.innerHTML;
// var sprnstr = "<!--startprint-->";
// var eprnstr = "<!--endprint-->";
// var prnhtml = bdhtml.substr(bdhtml.indexOf(sprnstr)+17);
// prnhtml = prnhtml.substring(0,prnhtml.indexOf(eprnstr));
// window.document.body.innerHTML=prnhtml;
// window.print();
});
function printQrcode(){
var bdhtml = window.document.body.innerHTML;
var sprnstr = "<!--startprint-->";
var eprnstr = "<!--endprint-->";
var prnhtml = bdhtml.substr(bdhtml.indexOf(sprnstr)+17);
prnhtml = prnhtml.substring(0,prnhtml.indexOf(eprnstr));
window.document.body.innerHTML=prnhtml;
window.print();
}
</script>
界面如下：
点击打印按钮：
预览时无法显示二维码，无法打印二维码。
