select express_id, area_code
from zdy_express_area
insert into zdy_express_area
express_id,
area_code,
#{expressId},
#{areaCode},
update zdy_express_area
area_code =
#{areaCode},
where express_id = #{expressId}
delete from zdy_express_area where express_id = #{expressId}
delete from zdy_express_area where express_id in
#{expressId}
insert into zdy_express_area(express_id, area_code) values
(#{item.expressId},#{item.areaCode})
delete from zdy_express_area where
express_id = #{expressId}
and area_code in
#{areaCode}