php 导出excel （html）

<?php header("Content-type:application/vnd.ms-excel");

header("Content-Disposition:filename=php100.xls");

?>

<table>

    <tr>

      <td colspan="3"><font color=red>PHP100财务统计</font></td>

    </tr>

    <tr>

      <td>t10</td><td>t11</td><td>t12</td>

    </tr>

    <tr>

      <td>t20</td><td>t21</td><td>t22</td>

    </tr>

  </table>