HTML:
<table>
<thead>
<tr>
<th>序号
</th>
</tr>
</thead>
<tbody>
<tr>
<td class="SortCLASS"></td>
</tr>
</tbody>
</table>
CSS:
tbody {
counter-reset:sectioncounter;
}
.SortCLASS:before {
content:counter(sectioncounter);
counter-increment:sectioncounter;
}
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