select invitation_code from tms_experimental_teaching where project_id = #{projectId} and is_code = #{isCode} SELECT id, experimental_class_name, surplus_time, experiment_duration, experimental_name, experimental_number, start_time, stop_time, `status` FROM tms_experimental_teaching WHERE is_del=0 and `status` = #{cla.status} and ( project_name like concat('%',#{cla.condition},'%') or experimental_class_name like concat('%',#{cla.condition},'%') ) and stop_time between #{cla.endTime} and #{cla.startTime} and DATE_SUB(CURDATE(), INTERVAL #{cla.month} month ) <= date(stop_time) UPDATE tms_experimental_teaching SET surplus_time = TIMEDIFF( stop_time, NOW( ) ) WHERE now( ) >= start_time AND stop_time >= now( ) AND is_del=0 UPDATE tms_experimental_teaching SET surplus_time = 0 WHERE now( ) >= stop_time AND is_del=0 SELECT id,title,links,isdel FROM tms_broadcast