$sql = "select * from ...";
$dbObj->setQuery($sql);
$res = $dbObj->exQuery();
header("Content-type:application/vnd.ms-excel");
header("Content-Disposition:filename=下载的文件名.xls" );
echo "<html xmlns:o=\"urn:schemas-microsoft-com:office:office\" xmlns:x=\"urn:schemas-microsoft-com:office:excel\" xmlns=\"http://www.w3.org/TR/REC-html40\">
<html>
<head>
<meta http-equiv=\"Content-type\" content=\"text/html;charset=utf-8\" />
</head>
<body>";
echo '<table>';
echo '<thead><tr>';
echo '<td>title</td>';
echo '<td>content</td>';
echo '<td>date</td>';
echo '</thead></tr>';
echo '<tbody>';
while ($list = mysql_fetch_array($res)) {
echo '<tr>';
echo '<td>' . $list[title] . '</td>';
echo '<td>' . $list[content] . '</td>';
echo '<td>' . $list[date] . '</td>';
echo '</tr>';
}
echo '</tbody></table></body></html>';
来源：CSDN
作者：Purine King
链接：https://blog.csdn.net/PurineKing/article/details/104531739