添加key value 为List 的数据

盒子家

于 2021-04-16 13:34:01 发布

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本文链接：https://blog.youkuaiyun.com/liufeihuwudi/article/details/115757023

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    	Map<String, List<LotInventoryDO>> lotNumberMap = Maps.newHashMap();
        for (LotInventoryDO lotInventoryLine : lotInvLineList) {
            List<LotInventoryDO> lotInvLineForMapList;
            String lotNumber = lotInventoryLine.getLotNumber();
            if (lotNumberMap.containsKey(lotNumber)) {
                lotInvLineForMapList = lotNumberMap.get(lotNumber);
            } else {
                lotInvLineForMapList = Lists.newArrayList();
            }
            lotInvLineForMapList.add(lotInventoryLine);
            lotNumberMap.put(lotNumber, lotInvLineForMapList);
        }