HTML表格标签

<table border="1">
    <caption>这里是标题</caption>
    <tr>
        <td>第一列</td>
        <td>第二列</td>
        <td>第三列</td>
    </tr>
    <tr>
        <td>第二行第一列</td>
        <td>第二行第二列</td>
        <td>第二行第三列</td>
    </tr>
</table>

<table border="1">
    <tr>
        <th>第一列</th>
        <th>第二列</th>
        <th>第三列</th>
    </tr>
    <tr>
        <td>第二行第一列</td>
        <td>第二行第二列</td>
        <td>第二行第三列</td>
    </tr>
</table>

<table border="1">
    <tr>
        <td colspan="2">A</td>
        <td>B</td>
        <td>C</td>
    </tr>
    <tr>
        <td>D</td>
        <td colspan="3">E</td>
    </tr>
    <tr>
        <td>F</td>
        <td>G</td>
        <td>H</td>
        <td>I</td>
    </tr>
</table>

<table border="1">
    <tr>
        <td>A</td>
        <td>B</td>
        <td>C</td>
        <td>D</td>
    </tr>
    <tr>
        <td>E</td>
        <td rowspan="2">F</td>
        <td>G</td>
        <td rowspan="3">H</td>
    </tr>
    <tr>
        <td>I</td>
        <td>J</td>
    </tr>
    <tr>
        <td>K</td>
        <td>L</td>
        <td>M</td>
    </tr>
</table>

<table border="1" width="400">
    <thead>
        <tr>
            <th>A</th>
            <th>B</th>
            <th>C</th>
            <th>D</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>E</td>
            <td>F</td>
            <td>G</td>
            <td>H</td>
        </tr>
    </tbody>
    <tfoot>
        <tr>
            <td>I</td>
            <td>J</td>
            <td>K</td>
            <td>L</td>
        </tr>
    </tfoot>
</table>