HTML <th> rowspan 属性

实例

下面的 HTML 表格中包含一个横跨三行的表头单元格：An HTML table with a header cell that spans three rows:

 <table border="1">
   <tr>
     <th>Month</th>
     <th>Savings</th>
     <th rowspan="3">Savings for holiday!</th>
   </tr>
   <tr>
     <td>January</td>
     <td>$100</td>
   </tr>
   <tr>
     <td>February</td>
     <td>$80</td>
   </tr>
 </table>