update: 修改HashMap中key为null的问题

feifan-module-mall/feifan-module-trade-biz/src/main/java/cn/newfeifan/mall/module/trade/service/order/TradeOrderUpdateServiceImpl.java

@@ -135,25 +135,26 @@ public class TradeOrderUpdateServiceImpl implements TradeOrderUpdateService {
         // 4. 查询每个sku对应的店铺ID，并传回页面
         List<AppTradeOrderSettlementReqVO.Item> productSkuList = settlementReqVO.getItems();
         List<Long> productSkuIdList = new ArrayList<>();
-        for(AppTradeOrderSettlementReqVO.Item skuItem : productSkuList){
+        for (AppTradeOrderSettlementReqVO.Item skuItem : productSkuList) {
             productSkuIdList.add(skuItem.getSkuId());
         }
         // 查询每个skuid对应的sku对象
         List<ProductSkuDO> productSkuDOList = productSkuMapper.selectListBySKuId(productSkuIdList);
 
         //key为店铺ID，value为skuid的List
-        Map<Long,List<Long>> shopSkuIds = new HashMap<Long, List<Long>>();
-        for(ProductSkuDO sku:productSkuDOList){//把sku根据店聚合放到map中
+        Map<Long, List<Long>> shopSkuIds = new HashMap<Long, List<Long>>();
+        for (ProductSkuDO sku : productSkuDOList) {//把sku根据店聚合放到map中
             Long skuId = sku.getId();
             Long shopId = sku.getShopId();
-            List<Long> shopSkuList = shopSkuIds.get(shopId);
-            if(shopSkuList==null) {
-                shopSkuList = new ArrayList<Long>();
-                shopSkuIds.put(shopId,shopSkuList);
+            if (shopId != null) {
+                List<Long> shopSkuList = shopSkuIds.get(shopId);
+                if (shopSkuList == null) {
+                    shopSkuList = new ArrayList<Long>();
+                    shopSkuIds.put(shopId, shopSkuList);
+                }
+                shopSkuList.add(skuId);//把sku根据店聚合放到map中
             }
-            shopSkuList.add(skuId);//把sku根据店聚合放到map中
         }
-
         respVO.setShopSkuIds(shopSkuIds);//把sku根据店聚合放到map中
 
         //把店铺id和店铺名称查出来放到map中
@@ -162,14 +163,14 @@ public class TradeOrderUpdateServiceImpl implements TradeOrderUpdateService {
             shopIds.add(shopid);
         }
         List<ShopDO> shopDOList = shopMapper.selectListById(shopIds);
-        Map<Long,String> shopNameMap = new HashMap<Long,String>();//key为店铺id，value为店铺名
+        Map<Long, String> shopNameMap = new HashMap<Long, String>();//key为店铺id，value为店铺名
         for (ShopDO shopDO : shopDOList) {
-            shopNameMap.put(shopDO.getId(),shopDO.getName());
+            shopNameMap.put(shopDO.getId(), shopDO.getName());
         }
         respVO.setShopNameMap(shopNameMap);
 
-        System.out.println("shopSkuIds@@@@@@@@"+shopSkuIds);
-        System.out.println("shopNameMap@@@@@@@@"+shopNameMap);
+        System.out.println("shopSkuIds@@@@@@@@" + shopSkuIds);
+        System.out.println("shopNameMap@@@@@@@@" + shopNameMap);
 
         return respVO;
     }