代码示例:(标识:eg_html_table_headers)
<html>

<body>

<h4>表头:</h4>
<table border="1">
<tr>
  <th>姓名</th>
  <th>电话</th>
  <th>电话</th>
</tr>
<tr>
  <td>Bill Gates</td>
  <td>555 77 854</td>
  <td>555 77 855</td>
</tr>
</table>

<h4>垂直的表头:</h4>
<table border="1">
<tr>
  <th>姓名</th>
  <td>Bill Gates</td>
</tr>
<tr>
  <th>电话</th>
  <td>555 77 854</td>
</tr>
<tr>
  <th>电话</th>
  <td>555 77 855</td>
</tr>
</table>

</body>
</html>
运行结果: