php生成excel文件

<?php require_once(dirname(FILE).'/inc/config.inc.php'); header("Content-type:application/vnd.ms-excel"); header("Content-Disposition:filename=volunteer.xls"); echo "ID\t"; echo "姓名\t"; echo "性别\t"; echo "志愿者服务时长\t"; echo "发布时间\t\n"; $dopage->GetPage("SELECT * FROM #@__msg"); while($row = $dosql->GetArray()) { echo $row['id']."\t"; echo $row['name']."\t"; echo $row['sex']."\t"; echo $row['fw']."\t"; echo $row['posttime']."\t\n"; } ?>