Sql: select * from eova_object where code = ? Sql: select * from eova_field where object_code = ? order by fieldnum,order_num Sql: delete from `hotel_bed` where `id` = ? 根据ID删除的 咋可能会删除所有明细数据呢? Sql: insert into `eova_log`(`info`, `ip`, `type`, `user_id`) values(?, ?, ?, ?)