js兑现（可实现局部打印）
js实现（可实现局部打印）
http://www.iteye.com/topic/1114154
function doPrint() {
bdhtml = window.document.body.innerHTML;
sprnstr = "<!--startprint-->";
eprnstr = "<!--endprint-->";
prnhtml = bdhtml.substr(bdhtml.indexOf(sprnstr) + 17);
prnhtml = prnhtml.substring(0, prnhtml.indexOf(eprnstr));
window.document.body.innerHTML = prnhtml;
window.print();
}
<boby>
<!--startprint-->
要打印的内容
<!--endprint-->
<boby>