MyBatis返回树形结构数据

  

    
    
    
    
    
       
   
  
 

    SELECT
        lane_id,
        service_machine_id,
        #{searchName} AS searchName,
        #{bannerSuffix} AS bannerSuffix,
        #{picUrlPrefix} AS picUrlPrefix
    FROM
        service_machine_goods_stock_test
    WHERE
        service_machine_id = #{serviceMachineId}
    GROUP BY lane_id
  
 
  
    
    
    
    
    
    
  
 

    SELECT
      A.goods_id,
      A.goods_name,
      CONCAT(#{picUrlPrefix}, '/', A.goods_banner_url, #{bannerSuffix}) goods_banner_url,
      B.lost_count,
      B.renting_count,
      B.rent_count
    FROM A
    LEFT JOIN B ON A.goods_id = B.goods_id
    GROUP BY A.goods_id