<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>table注意事项</title>
<style>
table{
border-collapse: collapse; /*合并表格线*/
border: 1px solid #ccc;
width: 800px;
}
th,td,tr{
width: 50px;
height: 40px;
text-align: center;
}
</style>
</head>
<body>
<table border="1">
<tr>
<th>时间日期</th>
<td>1</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td>5</td>
</tr>
<tr>
<th rowspan="2">上午</th> <!-- 跨行合并-->
<td>语文</td>
<td>地理</td>
<td>代数</td>
<td></td>
<td></td>
</tr>
<tr>
<!-- <th>上午</th> -->
<td>语文</td>
<td>地理</td>
<td>代数</td>
<td></td>
<td></td>
</tr>
<tr>
<td colspan="6">午自修</td><!-- 跨列合并 -->
<!-- <td></td>
<td></td>
<td></td>
<td></td>
<td></td> -->
</tr>
<tr>
<th rowspan="2">下午</th><!--跨行合并 -->
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<!-- <th>下午</th> -->
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</table>
</body>
</html>