系统的SQL 写法真的很难琢磨,请技术给我指导一下,第二种写法是怎么写?

<?php
$query = urlencode("select * from @#1_down where keywords like '%模板下载%'");
//$rt = \Phpcmf\Service::M()->db->query('$query');
$rt = \Phpcmf\Service::M()->db->query("select * from @#1_down where keywords like '%模板下载%'");
?>
select count(*) from dr_1_down where FIND_IN_SET('模版下载', keywords);