id , user_id, user_name, real_name, content, create_time select from t_user_event_log where user_id=#{value} order by id desc limit 10 select from t_user_event_log and user_id= #{userId} and user_name= #{userName} SELECT create_time as name, COUNT(create_time) as value from ( SELECT DATE_FORMAT(create_time, '%Y-%m-%d') as create_time from t_user_event_log WHERE create_time between #{startTime} and #{endTime} ) a GROUP BY create_time