insert into t_part_back(
code,creator,back_day,
create_time, type, remark,
status,updater, update_time, create_id,back_num,user_name
)values (#{code},#{creator},#{backDay},now(),#{type},#{remark},#{status},#{updater},now(),#{createId},#{backNum},#{userName})
insert into t_part_back_details(
back_id, back_num, part_id,
part_type, part_name, part_model,
part_unit, remark ) values
(#{param.id},#{item.backNum},#{item.partId},#{item.partType},#{item.partName},
#{item.partModel},#{item.partUnit},#{item.remark})