134店铺商品数据源标签3数据源标签店铺商品数据源标签InfoID,0,2,内容IDZL_Commodities LEFT JOIN ZL_S_shop ON ZL_Commodities.ItemID=ZL_S_shop.ID* ZL_Commodities.ID=@InfoID 0 0 计数判断 循环计算 等于 0 {"ds_m":"main","ds_s":"main","tb_m":"ZL_Commodities","tb_s":"ZL_S_shop"}