INSERT INTO lz_departments_staff_relate(department_id, staff_id) VALUES (#{relate.departmentId}, #{relate.staffId}) update lz_departments_staff_relate set is_delete=1 select department_id from lz_departments_staff_relate where is_delete=0 and staff_id = #{staffId} select department_id from lz_departments_staff_relate where is_delete=0 and staff_id = #{staffId} and department_id=#{departmentId} update lz_departments_staff_relate set is_delete=0 and update_time=now(), department_id=#{departmentId} where is_delete=0 and staff_id = #{staffId}