abstract：<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>学习HTML常用标签及属性</title> <link rel="shortcut icon" type="imgae/x-icon" href=
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>学习HTML常用标签及属性</title>
<link rel="shortcut icon" type="imgae/x-icon" href="image/favicon.icon">
<link rel="stylesheet" type="text/css" href="css/index.css">
<style type="text/css">
*{margin: 0px;padding: 0px;}
table{border: 1px solid #ccc; border-collapse: collapse;}
tr td{height: 200px; border: 1px solid #ccc;width: 100px;}
tr th{height: 200px; border: 1px solid #ccc;width: 100px;}
</style>
</head>
<body>
<table>
<tr>
<th>1</th>
<th>2</th>
<th>3</th>
<th>4</th>
<th>5</th>
</tr>
<tr>
<td colspan="5">合并列</td>
</tr>
<tr>
<td rowspan="2">合并行 1</td>
<td>2</td>
<td>3</td>
<td>4</td>
<td>5</td>
</tr>
<tr>
<td>2</td>
<td>3</td>
<td>4</td>
<td>5</td>
</tr>
</table>
</body>
</html>