table的使用

<table  border="5" cellspacing="10" cellpadding="10">
            <tr>
                <th></th>
                <th>Header</th>
                <th>Header</th>
            </tr>
            <tr>
                <td rowspan="2" align="center" valign="bottom">Data2</td>
                <td colspan="2" align="right">Data2</td>                
            </tr>
            <tr>
                <td>Data3</td>
                <td>Data3</td>
            </tr>
        </table>