select * from users where user_id in(10,2,3,4,5,183,523) order by field('user_id',10,2,3,4,5,183,523);
filed里面的不能比in里面的少
select * from users where user_id in(10,2,3,4,5,183,523) order by field('user_id',10,2,3,4,5,183,523);
filed里面的不能比in里面的少