insert into book_car_info(book_code, order_time, cost, supplier, order_status, order_user, phone_number, order_company, creater, create_time) values(#{bookCode},#{orderTime},#{cost},#{supplier},#{orderStatus},#{orderUser},#{phoneNumber},#{orderCompany},#{creater},now()) insert into book_car_detail(book_id, type_id, lease_type, lease_price, rent_day, days, num, costs, creater, create_time) values(#{bookId},#{typeId},#{leaseType},#{leasePrice},#{rentDay},#{days},#{num},#{costs},#{creater},now()) update book_car_detail set rent_day = #{rentDay} where id = #{id} SELECT bcd.*, mt.type_code, mt.model_code, mt.type_name FROM book_car_detail bcd LEFT JOIN ma_type mt ON bcd.type_id = mt.type_id WHERE bcd.type_id = #{bookId}