打印网页js

====================================设置打印样式

<style media="print">
.Noprint { display: none; }
.PageNext { page-break-after: always; }
.blue { font-weight: bold; }
body, .blue, .orange, .gray, #content .headbg, .workColumnWrap .workColumn .date #longer, .practice, .importantInfo .fr .info1 .name, .personType { color: #000; }
body { font-size: 16px; }
#content .headbg, .message .con h3, .practice { font-size: 14px; }
#hiddenBox #hiddenTable .w1, .projectTable .w1, .projectTable .miaoshu1 { width: 86px; }
.workColumnWrap .workColumn .workTable .w1 { width: 56px; }
.importantInfo .fr .expertise ul li span { border: 1px solid #999; padding-left: 8px; border-radius: 5px; font-weight: normal; }
#hiddenBox, .otherInfo .line { border-top: 1px solid #999; }
.otherInfo .line h2 { padding: 0 6px; margin-left: 25px; }
#seePoint, .ContactTime, #pingjia { display: none; }
.practice, .personType, .workColumnWrap .workColumn .date #longer { border: 1px solid #999; }
.practice .jt { border-color: transparent transparent #999 transparent; }
.workColumnWrap { border-left: 1px solid #999; }
.workColumnWrap .workColumn .date i, .workColumnWrap .end { width: 5px; height: 5px; border: 1px solid #999; }
.workColumnWrap .workColumn .date, .workColumnWrap .end { left: -4px; }
#content .headbg { border-bottom: 1px solid #999; }
#hiddenBox { padding-bottom: 0; }
.importantInfo .fr .expertise ul li { margin: 0 5px 5px 0; padding-left: 0px; }
.personType { left: -25px; }
.personType i { top: 30px; }
.Highlight { color: red; background-color: yellow; }
</style>

====================================设置打印html范围

<!--startprint-->

<div class="evaluationOfVideoInterview" id="evaluationOfVideoInterview">
<ul>
<li></li>
<li></li>
<li></li>
</ul>
<div class="openEvaluation">展开评价<i class="icon-add"></i></div>
</div>

<!--endprint-->

<a href="javascript:;" onclick="doPrint();">打印分析报告</a>

====================================js

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();
}