select * from sys_config where id = #{id} select * from sys_config and `key` like concat('%',#{key},'%') limit #{offset}, #{limit} select count(*) from sys_config and `key` like concat('%',#{key},'%') insert into sys_config(`key`, `value`, remark) values(#{key},#{value},#{remark}) update sys_config set `key` = #{key}, `value` = #{value}, remark = #{remark} where id = #{id} update sys_config set `value` = #{value} where `key` = #{key} select value from sys_config where `key` = #{key} delete from sys_config where id in #{id}