js打印代码：
var bdhtml=document.getElementById("content1").innerHTML;
window.document.body.innerHTML=bdhtml;
window.print();
<!-- 打印内容在这里 -->
<div id="printWnd" style="display:none;">
<label>姓名:</label><label id="p_userName"></label><br>
<label>身份证号:</label><label id="p_idCard"></label><br>
<label>科目名称:</label><label id="p_subjectName"></label><br>
<label>电话号码:</label><label id="p_telPhone"></label><br><br>
<label>补考费金额:</label><label id="p_extraFee"></label><br>
<label>补考费原因:</label><label id="p_remark"></label><br>
</div>
var text = $("#printWnd")[0].innerHTML;
printView(text); //打印预览
//打印预览
function printView(obj){
var oWin=window.open("","_blank");
var strPrint="<h4 style=’font-size:18px; text-align:center;’>补考费-打印预览</h4>\n";
strPrint=strPrint +"<script type=\"text/javascript\">\n";
strPrint=strPrint + "function printWin()\n";
strPrint=strPrint + "{";
strPrint=strPrint + "var bdhtml=document.getElementById(\"content1\").innerHTML;\n";
strPrint=strPrint + "window.document.body.innerHTML=bdhtml; \n";
strPrint=strPrint + "window.print(); \n";
strPrint=strPrint + "}";
strPrint=strPrint + "<\/script>\n";
strPrint=strPrint + "<div id=\"content1\" >\n";
strPrint=strPrint + obj + "\n";
strPrint=strPrint + "</div>\n";
strPrint=strPrint + "<hr size='1'/>\n";
strPrint=strPrint + "<div style='text-align:center'><button οnclick='printWin();' style='padding-left:4px;padding-right:4px;'>打 印</button><button οnclick='window.close();' style='padding-left:4px;padding-right:4px;'>关 闭</button></div>\n";
oWin.document.write(strPrint);
oWin.focus();
oWin.document.close();
}
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