<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>表格</title>
</head>
<body>
<table border="1">
<caption>表格标题</caption>
<tr><th>标题</th><th>标题</th><th>标题</th></tr>
<tr><td>1</td><td>2</td><td>3</td></tr>
<tr><td>1</td><td>2</td><td>3</td></tr>
<tr><td>1</td><td>2</td><td>3</td></tr>
<tr><td>1</td><td>2</td><td>3</td></tr>
<tr><td>1</td><td>2</td><td>3</td></tr>
</table>
<table border="3">
<caption>表格标题</caption>
<tr><th colspan="3">标题合并</th></tr>
<tr><td>1</td><td>2</td><td>3</td></tr>
<tr><td colspan="2">12合并</td><td>3</td></tr>
<tr><td>1</td><td>2</td><td>3</td></tr>
<tr><td rowspan="3">1</td><td>2</td><td>3</td></tr>
<tr><td>2</td><td rowspan="2">3</td></tr>
<tr><td>2</td></tr>
</table>
<table border="1">
<tr><th>标题</th><th>标题</th><th>标题</th><th>标题</th><th>标题</th></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
</table>
<table border="1">
<thead style="background: green">
<tr><th colspan="5">标题</th></tr>
</thead>
<tbody style="background: red">
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
</tbody>
<tfoot></tfoot>
<tr><td>备注</td><td colspan="4">a</td></tr>
</tfoot>
</table>
<table border="1">
<colgroup span="1" style=" 150px"></colgroup>
<colgroup span="3" style=" 50px"></colgroup>
<colgroup span="1" style=" 300px"></colgroup>
<tr><th>标题</th><th>标题</th><th>标题</th><th>标题</th><th>标题</th></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
</table>
<table border="1">
<colgroup span="1" style=" 150px">
<col style="background: green">
</colgroup>
<colgroup span="3" style=" 300px">
<col style="background: red">
<col style="background: green">
<col style="background: red">
</colgroup>
<tr><th>标题</th><th>标题</th><th>标题</th><th>标题</th><th>标题</th></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
<tr><td>a</td><td>a</td><td>a</td><td>a</td><td>a</td></tr>
</table>
</body>
</html>