css定义表格边框和表头
< html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>一个css类封装的细线表格边框</title>
<style type="text/css">
<!--
.mytable {
border-collapse : collapse;
}
.mytable td {
background-color: #CCFFff;
border: 1px solid #ff9900;
}
.mytable th
{background-color: #CCFFcc;
border: 1px solid #ff9900;
}
.tdwidth{width:30px;} --控制列的宽度，只需要写在一个td中就可以控制整个列的宽度
-->
</style>
</head>
<body>
<table width="300" border="0" cellpadding="0" cellspacing="0" class="mytable" >
<thead >
<tr>
<th class="tdwidth"> </th>
<th> </th>
<th> </th>
<th> </th>
<th> </th>
</tr>
</thead >
<tr >
<td > </td>
<td> </td>
<td class="tdwidth">只需要写在一个td中就可以控制整个列的宽度</td>
<td > </td>
<td > </td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
</table>
</body>
< /html >
