id,item_id,order_id,status,num,total #{id},#{itemId},#{orderId},#{status},#{num},#{total} item_id = #{itemId}, order_id = #{orderId}, status = #{status} num = #{num}, total = #{total}, and id = #{id} and item_id = #{itemId} and order_id = #{orderId} and status = #{status} and num = #{num} and total = #{total} insert into order_detail( ) values( ) delete from order_detail where id=#{id} delete from order_detail where 1=1 delete from order_detail where 1=1 update order_detail where 1=1 update order_detail where id=#{id} update order_detail item_id = #{item.itemId}, order_id = #{item.orderId}, status = #{item.status}, num = #{item.num}, total = #{item.total}, where 1=1 and id = #{item.id} ${sql} ${sql}