|  |  | 
 |  |  | package com.zy.asrs.service.impl; | 
 |  |  |  | 
 |  |  | import com.baomidou.mybatisplus.mapper.EntityWrapper; | 
 |  |  | import com.core.common.Cools; | 
 |  |  | import com.zy.asrs.mapper.PackMapper; | 
 |  |  | import com.zy.asrs.entity.Pack; | 
 |  |  | import com.zy.asrs.service.PackService; | 
 |  |  | import com.baomidou.mybatisplus.service.impl.ServiceImpl; | 
 |  |  | import lombok.extern.slf4j.Slf4j; | 
 |  |  | import org.springframework.stereotype.Service; | 
 |  |  |  | 
 |  |  | import java.util.List; | 
 |  |  |  | 
 |  |  | @Slf4j | 
 |  |  | @Service("packService") | 
 |  |  | public class PackServiceImpl extends ServiceImpl<PackMapper, Pack> implements PackService { | 
 |  |  |  | 
 |  |  |     @Override | 
 |  |  |     public Pack selectByBarcode(String barcode) { | 
 |  |  |         List<Pack> packs = this.selectList(new EntityWrapper<Pack>().eq("barcode", barcode)); | 
 |  |  |         if (Cools.isEmpty(packs)) { | 
 |  |  |             return null; | 
 |  |  |         } else { | 
 |  |  |             if (packs.size() > 1) { | 
 |  |  |                 log.error("打包上线条码重复!条码:{}", barcode); | 
 |  |  |             } | 
 |  |  |             return packs.get(0); | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |  | 
 |  |  | } |