想要在打印预览时以及通过任何方式导出到Pdf，在每个页面上重复我的html页面的表头。表中的数据不是静态的，它可能在每个td中动态变化。 我知道这里有类似的问题。但最后没有找到动态数据的答案。
<table >
<thead>
<tr >
<th>Month</th>
<th>Year</th>
</tr>
</thead>
<tbody>
<tr>
<td>February</td>
<td>2015</td>
</tr>
<tr>
<td>March</td>
<td>2015</td>
</tr>
<tr>
<td>April</td>
<td>2015</td>
</tr>
<tr>
<td>May</td>
<td>2015</td>
</tr>
<tr>
<td>June</td>
<td>2015</td>
</tr>
<tr>
<td>July</td>
<td>2015</td>
</tr>
<tr>
<td>August</td>
<td>2015</td>
</tr>
<tr>
<td>September</td>
<td>2015</td>
</tr>
<tr>
<td>October</td>
<td>2015</td>
</tr>
<tr>
<td>November</td>
<td>2015</td>
</tr>
<tr>
<td>February</td>
<td>2015</td>
</tr>
<tr>
<td>March</td>
<td>2015</td>
</tr>
<tr>
<td>April</td>
<td>2015</td>
</tr>
<tr>
<td>May</td>
<td>2015</td>
</tr>
<tr>
<td>June</td>
<td>2015</td>
</tr>
<tr>
<td>July</td>
<td>2015</td>
</tr>
<tr>
<td>August</td>
<td>2015</td>
</tr>
<tr>
<td>September</td>
<td>2015</td>
</tr>
<tr>
<td>October</td>
<td>2015</td>
</tr>
<tr>
<td>November</td>
<td>2015</td>
</tr>
<tr>
<td>February</td>
<td>2015</td>
</tr>
<tr>
<td>March</td>
<td>2015</td>
</tr>
<tr>
<td>April</td>
<td>2015</td>
</tr>
<tr>
<td>May</td>
<td>2015</td>
</tr>
<tr>
<td>June</td>
<td>2015</td>
</tr>
<tr>
<td>July</td>
<td>2015</td>
</tr>
<tr>
<td>August</td>
<td>2015</td>
</tr>
<tr>
<td>September</td>
<td>2015</td>
</tr>
<tr>
<td>October</td>
<td>2015</td>
</tr>
<tr>
<td>November</td>
<td>2015</td>
</tr>
<tr >
<td>December</td>
<td>2015</td>
</tr>
<tr>
<td>January</td>
<td>2016</td>
</tr>
<tr>
<td>February</td>
<td>2016</td>
</tr>
<tr>
<td>March</td>
<td>2016</td>
</tr>
<tr>
<td>April</td>
<td>2016</td>
</tr>
<tr>
<td>May</td>
<td>2016</td>
</tr>
<tr>
<td>June</td>
<td>2016</td>
</tr>
<tr>
<td>July</td>
<td>2016</td>
</tr>
<tr>
<td>August</td>
<td>2016</td>
</tr>
<tr>
<td>September</td>
<td>2016</td>
</tr>
<tr>
<td>October</td>
<td>2016</td>
</tr>
<tr>
<td>November</td>
<td>2016</td>
</tr>
<tr >
<td>December</td>
<td>2016</td>
</tr>
<tr>
<td>January</td>
<td>2017</td>
</tr>
<tr>
<td>February</td>
<td>2017</td>
</tr>
<tr>
<td>March</td>
<td>2017</td>
</tr>
<tr>
<td>April</td>
<td>2017</td>
</tr>
<tr>
<td>May</td>
<td>2017</td>
</tr>
<tr>
<td>June</td>
<td>2017</td>
</tr>
<tr>
<td>July</td>
<td>2017</td>
</tr>
<tr>
<td>August</td>
<td>2017</td>
</tr>
<tr>
<td>September</td>
<td>2017</td>
</tr>
<tr>
<td>October</td>
<td>2017</td>
</tr>
<tr>
<td>November</td>
<td>2017</td>
</tr>
<tr >
<td>December</td>
<td>2017</td>
</tr>
<tr >
<td>January</td>
<td>2018</td>
</tr>
<tr>
<td>February</td>
<td>2018</td>
</tr>
<tr>
<td>March</td>
<td>2018</td>
</tr>
<tr>
<td>April</td>
<td>2018</td>
</tr>
<tr>
<td>May</td>
<td>2018</td>
</tr>
<tr>
<td>June</td>
<td>2018</td>
</tr>
<tr>
<td>July</td>
<td>2018</td>
</tr>
<tr>
<td>August</td>
<td>2018</td>
</tr>
<tr>
<td>September</td>
<td>2018</td>
</tr>
<tr>
<td>October</td>
<td>2018</td>
</tr>
<tr>
<td>November</td>
<td>2018</td>
</tr>
<tr >
<td>December</td>
<td>2018</td>
</tr>
</tbody>
</table>