<tr>

      <th>程序语言书籍</th>

      <th>价格</th>

    </tr>

    <tr>

      <td align="right">PHP基础教程</td>

      <td>$30</td>

    </tr>

    <tr>

      <td align="left">JAVA编程思想</td>

      <td>$80</td>

    </tr>

      <tfoot align="center">

      <tr>

        <td>总计</td>

        <td>$110</td>

      </tr>

  </tfoot> 

</table>