保存数据库查询结果到Excel

excel.php
<?php
class excel
{
function start()
{
ob_start();
}
function save($path)
{
$data = ob_get_contents();
ob_end_clean();
$this->wirtetoexcel($path,$data);
}
function wirtetoexcel ($fn,$data)
{
$fp=fopen($fn,"wb");
fwrite($fp,$data);
fclose($fp);
}
}
?>

查询数据库并保存为excel
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link href="css/style.css" rel="stylesheet" type="text/css" />
<?php
include("conn.php");
$query=mysql_query("select * from map order by register_date desc") ;
$i=$perpagenum*($page-1)+1;
include_once("excel.php");
$Excel=new Excel();
$Excel->start();
?>
<table width="600" border="0">
<tr>
<td align="center">companyname_cn</td>
<td align="center">companyname_en"</td>
<td align="center">name</td>
<td align="center">position</td>
<td align="center">tel</td>
<td align="center">fax</td>
<td align="center">email</td>
<td align="center">website</td>
<td align="center">product</td>
</tr>
<?php
while($myrow = mysql_fetch_array($query)){
?>
<tr>
<td align="center"><?php echo $myrow["companyname_cn"]; ?></td>
<td align="center"><?php echo $myrow["companyname_en"]; ?></td>
<td align="center"><?php echo $myrow["name"]; ?></td>
<td align="center"><?php echo $myrow["position"]; ?></td>
<td align="center"><?php echo $myrow["tel"]; ?></td>
<td align="center"><?php echo $myrow["fax"]; ?></td>
<td align="center"><?php echo $myrow["email"]; ?></td>
<td align="center"><?php echo $myrow["website"]; ?></td>
<td align="center"><?php echo $myrow["product"]; ?></td>
</tr>
<? }
?>
</table>
<p>
<?php
$Excel->save("Excel/data.xls");
?>
</p>