insert into tb_area(area_id,area_name,bid_code,remarks,
area_code,create_time, gt_id,del_flag)value (
#{areaId},#{areaName},#{bidCode},#{remarks},#{areaCode},now(),#{gtId},0)
update tb_area set area_name=#{areaName},bid_code=#{bidCode},remarks=#{remarks},gt_id=#{gtId}
area_code=#{areaCode},update_time=now()
where area_id=#{areaId}
update tb_area set del_flag=1 where area_id=#{areaId}