做了个学习内容的分类表
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>跨行合并</title>
</head>
<body>
<table border="1" cellspacing="0" cellpadding="5"> <!--width="410"-->
<caption ><h1>学习内容</h1></caption>
<!--<Hr color="red">-->
<!--表头-->
<thead>
<tr bgcolor="#deb887">
<th>序号</th>
<th>学习课程名称</th>
<th>课时</th>
<th>类别</th>
</tr>
</thead>
<!--表格主体-->
<tbody>
<tr>
<td width="50" >1</td>
<td width="200">HTML</td>
<td width="70">2</td>
<td width="50" rowspan="3">前端课程</td>
</tr>
<tr>
<td>2</td>
<td>CSS</td>
<td>3</td>
</tr>
<tr>
<td>3</td>
<td>JavaScript</td>
<td>3</td>
</tr>
<tr>
<td>4</td>
<td>PHP</td>
<td>3</td>
<td rowspan="3">后端课程</td>
</tr>
<tr>
<td>5</td>
<td>ThinkPHP</td>
<td>3</td>
</tr>
</tbody>
</table>
</body>
</html>
