delete from ard_route_cloud where route_id=#{routeId} select count(1) from ard_route_cloud where cloud_id=#{cloudId} delete from ard_route_cloud where route_id in #{routeId} insert into ard_route_cloud(route_id, cloud_id) values (#{item.routeId},#{item.cloudId}) insert into ard_route_cloud(route_id, cloud_id) values (#{item.routeId},#{item.cloudId})