表格
<table
border="1"
width="500"
height="500"
align="center"
style="text-align: center"
>
<caption>
课程表
</caption>
<thead>
<tr>
<th>时间</th>
<th>周一</th>
<th>周二</th>
<th>周三</th>
<th>周四</th>
<th>周五</th>
</tr>
</thead>
<tbody>
<tr>
<td rowspan="4">上午</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
</tr>
<tr>
<!-- <td>电脑</td> -->
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
</tr>
<tr>
<!-- <td>电脑</td> -->
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
</tr>
<tr>
<!-- <td>电脑</td> -->
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
</tr>
<tr>
<td colspan="6">午休</td>
<!-- <td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td> -->
</tr>
<tr>
<td rowspan="4">下午</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
</tr>
<tr>
<!-- <td>电脑</td> -->
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
</tr>
<tr>
<!-- <td>电脑</td> -->
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
</tr>
<tr>
<!-- <td>电脑</td> -->
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
<td>电脑</td>
</tr>
</tbody>
<tfoot>
<tr>
<td>备注</td>
<td colspan="5">下午放学时间为17:30</td>
<!-- <td></td>
<td></td>
<td></td>
<td></td> -->
</tr>
</tfoot>
</table>
表单
<form action="#" method="post">
<div class="filed" style="text-align: center">
<h2>用户登录</h2>
<div>
<label for="email">邮箱:</label>
<input
type="email"
id="email"
name="email"
placeholder="邮箱格式:user@mail.com"
autofocus
required
/>
</div>
<div>
<label for="password">密码:</label>
<input type="password" id="password" name="password" required />
</div>
<div>
<button type="submit">登录</button>
<button type="reset">重置</button>
</div>
</div>
</form>