html中 table的 colspan和rowspan

Colspan = 单元格跨越多列; Rowspan= 单元格跨越多行

<!DOCTYPE html>
<html>
<head> 
<meta charset="utf-8"> 
<title></title> 
</head>
<body>




<h4>单元格跨两列:</h4>
<table border="1">
<tr>
  <th>Name</th>
  <th colspan="2">Telephone</th>
</tr>
<tr>
  <td>Bill Gates</td>
  <td>555 77 854</td>
  <td>555 77 855</td>
</tr>
</table>





<h4>单元格跨两行:</h4>
<table border="1">
<tr>
  <th>First Name:</th>
  <td>Bill Gates</td>
</tr>
<tr>
  <th rowspan="2">Telephone:</th>
  <td>555 77 854</td>
</tr>
<tr>
  <td>555 77 855</td>
</tr>
</table>




</body>
</html>

显示：