打印代码

    <script type="text/javascript">     function preview()        {            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();                         location.reload();                 }            </script>

<input id="btnPrint" type="button" value="打 印" οnclick="preview();" class="button2" />

    <!--startprint--> 这里填写 你要打印的代码 <!--endprint-->

转载于:https://www.cnblogs.com/n666/archive/2009/09/11/2191142.html