<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>表格</title>
</head>
<body>
<table border="1">
<colgroup span="7">
<col span="3" style="background-color:yellow;">
<col span="4" style="background-color:blue;">
</colgroup>
<tr>
<th>表头1</th>
<th>表头1</th>
<th>表头1</th>
<th rowspan="2">表头1</th>
<th>表头1</th>
<th>表头1</th>
<th>表头1</th>
</tr>
<tr>
<td colspan="2">单元格</td>
<td>单元格</td>
<td>单元格</td>
<td>单元格</td>
<td>单元格</td>
</tr>
<!-- 表头，表身，表尾 -->
<thead>
<td colspan="7">成绩单</td>
</thead>
</table>
</body>
</html>
