例子如图:
源代码:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<table border="1" style="text-align: center; width: 1500px; height: 500px;">
<tr>
<th colspan="9">课程表</th>
</tr>
<tr>
<th>学科名称</th>
<th colspan="2">时间</th>
<!-- <th>时间</th> -->
<th>事件名称</th>
<th>星期一</th>
<th>星期二</th>
<th>星期三</th>
<th>星期四</th>
<th>星期五</th>
</tr>
<tr>
<td rowspan="6">数学</td>
<td rowspan="2">上午</td>
<td>8:00-8:50</td>
<td rowspan="2">-</td>
<td>晨读+测试</td>
<td>晨读+测试</td>
<td>晨读+测试</td>
<td>晨读+测试</td>
<td>晨读+测试</td>
</tr>
<tr>
<!-- <td>数学</td>
<td>上午</td> -->
<td>9:00-12:00</td>
<!-- <td>-</td> -->
<td>数学</td>
<td>数学</td>
<td>数学</td>
<td>数学</td>
<td>数学</td>
</tr>
<tr>
<!-- <td>数学</td> -->
<td rowspan="2">下午</td>
<td>13:45-14:00</td>
<td rowspan="2">报道</td>
<td>课前热身</td>
<td>课前热身</td>
<td>课前热身</td>
<td>课前热身</td>
<td rowspan="2">闭营仪式</td>
</tr>
<tr>
<!-- <td>数学</td>
<td>下午</td> -->
<td>14:00-17:00</td>
<!-- <td>报道</td> -->
<td>数学</td>
<td>数学</td>
<td>数学</td>
<td>数学</td>
<!-- <td>闭营仪式</td> -->
</tr>
<tr>
<!-- <td>数学</td> -->
<td rowspan="2">晚上</td>
<td>19:00-20:00</td>
<td rowspan="2">开营</td>
<td rowspan="2">1对1课程指导&答疑</td>
<td>成功学员分享经验</td>
<td>知名高校招生准则</td>
<td>趣味辩论赛</td>
<td rowspan="2">-</td>
</tr>
<tr>
<!-- <td>数学</td>
<td>晚上</td> -->
<td>20:00-22:00</td>
<!-- <td>开营</td> -->
<!-- <td>1对1课程指导&答疑</td> -->
<td>备考指导&师资答疑</td>
<td>备考指导&师资答疑</td>
<td>备考指导&师资答疑</td>
<!-- <td>-</td> -->
</tr>
</table>
</body>
</html>
运行截图: