CinemaDemo/src/main/java/com/example/cinema/data/StatisticsMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.example.cinema.data.StatisticsMapper">
    <select id="selectMovieScheduleTimes" resultType="com.example.cinema.vo.MovieScheduleTimeVO">
        select movie_id as movieId, count(*) as time,name from
              (select * from schedule where start_time between #{date} and #{nextDate}) s,
              movie where s.movie_id = movie.id group by movieId
    </select>

    <select id="selectMovieTotalBoxOffice" resultType="com.example.cinema.vo.MovieTotalBoxOfficeVO">
        select movie.id as movieId, boxOffice,name from movie
        left join
          (select movie_id as movieId,sum(fare) as boxOffice from schedule
          right join
          (select schedule_id from ticket where state = 1) t
          on schedule.id = t.schedule_id group by movie_id) s
        on s.movieId = movie.id
        order by boxOffice desc
    </select>

    <select id="selectAudiencePrice" resultType="com.example.cinema.vo.AudiencePrice">
        select user_id as userId, sum(fare) as totalPrice from schedule right join
              (select * from ticket where schedule_id in
              (select id from schedule where start_time between #{date} and #{nextDate}) and state = 1) t
        on schedule.id = schedule_id group by user_id
    </select>
</mapper>