表格
DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>表格title>
head>
<body>
<table border="1px" align="center" width="50%">
<thead>
<tr>
<th>学号th>
<th>姓名th>
<th>性别th>
tr>
thead>
<tbody>
<tr>
<td>1td>
<td>张三td>
<td>男td>
tr>
<tr>
<td>2td>
<td>李四td>
<td>女td>
tr>
<tr>
<td>3td>
<td>王二td>
<td>男td>
tr>
<tr>
<td>4td>
<td>麻子td>
<td>女td>
tr>
tbody>
<tfoot>
<tr>
<td colspan="2">合计td>
<td>4人td>
tr>
<tr>
<td rowspan="2">奇数为高年级td>
<td>学号为td>
<td>1、3的是高年级td>
tr>
<tr>
<td>高年级为td>
<td>1、3td>
tr>
tfoot>
table>
body>
html>