简单的html打印
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>打印票据</title>
<script type="text/javascript">
function doPrint(){
var bdhtml=window.document.body.innerHTML;
var sprnstr="<!--startprint-->";
var eprnstr="<!--endprint-->";
prnhtml=bdhtml.substr(bdhtml.indexOf(sprnstr)+17);
prnhtml=prnhtml.substring(0,prnhtml.indexOf(eprnstr));
window.document.body.innerHTML=prnhtml;
window.print(); }
</script></head>
<body style="font-size:12px;margin-left:2px">
<!--startprint-->要打印的内容，可以自由控制<!--endprint--><input type="button" value="打印票据" id="print" onClick="doPrint()">
</body>
</html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>打印票据</title>
<script type="text/javascript">
function doPrint(){
var bdhtml=window.document.body.innerHTML;
var sprnstr="<!--startprint-->";
var eprnstr="<!--endprint-->";
prnhtml=bdhtml.substr(bdhtml.indexOf(sprnstr)+17);
prnhtml=prnhtml.substring(0,prnhtml.indexOf(eprnstr));
window.document.body.innerHTML=prnhtml;
window.print(); }
</script></head>
<body style="font-size:12px;margin-left:2px">
<!--startprint-->要打印的内容，可以自由控制<!--endprint--><input type="button" value="打印票据" id="print" onClick="doPrint()">
</body>
</html>
