select * from siteblocks where id in (1,6,7,21,2,3,5) and manage<=1 order by instr(",1,6,7,21,2,3,5,",concat(",",id,","));
select * from siteblocks where id in (1,6,7,21,2,3,5) and manage<=1 order by FIND_IN_SET(id,'1,6,7,21,2,3,5');
哪个强悍点没去试 个人猜想2强悍点把