Colspan= 单元格跨越多列; Rowspan= 单元格跨越多行
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<h4>单元格跨两列:</h4>
<table border="1">
<tr>
<th>Name</th>
<th colspan="2">Telephone</th>
</tr>
<tr>
<td>Bill Gates</td>
<td>555 77 854</td>
<td>555 77 855</td>
</tr>
</table>
<h4>单元格跨两行:</h4>
<table border="1">
<tr>
<th>First Name:</th>
<td>Bill Gates</td>
</tr>
<tr>
<th rowspan="2">Telephone:</th>
<td>555 77 854</td>
</tr>
<tr>
<td>555 77 855</td>
</tr>
</table>
</body>
</html>显示：
![【Qt秘籍】[009]-自定义槽函数/信号](https://img-blog.csdnimg.cn/direct/4946c5f91ac04a78924d1fd9c84c2b4e.png)
