rowSpan和colSpan示例记录

rowSpan和colSpan看起来简单，真要自己写，要调半天，记录一个经典例子，方便快速上手

<table border="1" cellspacing="0">
    <tr>
        <tr>
            <th rowspan="2">学号</th>
            <th rowspan="2">姓名</th>
            <th rowspan="2">年龄</th>
            <th colspan="3">成绩</th>
        </tr>
        <tr>
            <th>Java</th>
            <th>SQL</th>
            <th>HTML</th>
        </tr>
    </tr>
    <tr>
        <td>100001</td>
        <td>Tom</td>
        <td rowspan="3">18</td>
        <td>90</td>
        <td>85</td>
        <td>60</td>
    </tr>
    <tr>
        <td>100002</td>
        <td>Jerry</td>
        <td>85</td>
        <td>98</td>
        <td>95</td>
    </tr>
    <tr>
        <td>100003</td>
        <td>Mark</td>
        <td>80</td>
        <td>95</td>
        <td>80</td>
    </tr>
</table>

出处： rowspan, colspan 用法