phpexcel导出文件格式求解,该怎么处理

<br />
<?php<br />
$sql="select * from record where officecode='$officecode' and searchtime like '%$riqi%' order by name limit $offset,$Page_size" ;<br />
$result=mysql_query($sql,$link);<br />
$last=array();<br />
while($row=mysql_fetch_array($result)){<br />
if($last){<br />
  $row['xingshi'] = (strtotime($row['arrivetime'])-strtotime($last['gotime']))/60;<br />
    if($row['name'] == $last['name']) { //还是同一组<br />
      $distance += $row['distance']; //计算合计距离<br />
      $xingshi += $row['xingshi']; //计算行驶时间<br />
    }<br />
    else { <br />
     //当组别变化时，行驶时间为0<br />
      $row['xingshi'] = 0;<br />
      ?><br />
            <td colspan="4"  bgcolor="#E0EEE">合计</td><br />
      <td><div align="center"> <br />
        <?php echo $distance."km"; ?> <br />
</div></td><br />
<td><?php echo $xingshi."min"; ?></td><br />
      <?php<br />
     //合计完成后，重置行驶距离和行驶时间<br />
      $distance = $row['distance'];<br />
      $xingshi = 0;<br />
    }<br />
}<br />
else {<br />
    //每个name第一次进入时的行驶距离和时间<br />
    $distance = $row['distance'];<br />
    $xingshi = 0;<br />
  }<br />
$last=$row; <br />
?><br />