function printView() { bdhtml = window.document.body.innerHTML;//获取当前页的html代码 window.document.body.innerHTML = bdhtml; sprnstr = "<!--startprint-->";//设置打印开始区域 eprnstr = "<!--endprint-->";//设置打印结束区域 prnhtml = bdhtml.substring(bdhtml.indexOf(sprnstr) + 17); //从开始代码向后取html prnhtml = prnhtml.substring(0, prnhtml.indexOf(eprnstr));//从结束代码向前取html window.document.body.innerHTML = "<body>"+prnhtml+"</body>"; window.print(); window.document.body.innerHTML = bdhtml; }
原文：https://www.cnblogs.com/yuners/p/11672507.html