优化盲盒购买

mall-server-front/src/main/java/com/fzm/mall/server/front/order/service/impl/IOrderBindBoxServiceImpl.java

@@ -30,17 +30,17 @@ public class IOrderBindBoxServiceImpl implements IOrderBindBoxService {
          * 从数据库获取库存大于0的盲盒sku列表
          */
         List<SkuVo> skuList = goodSkuMapper.listAvailableSku(goodsId);
-        if (!CollectionUtils.isEmpty(skuList)) {
         int difficulty = skuList.stream().map(SkuVo::getDifficulty).findFirst().get();
+        while(!CollectionUtils.isEmpty(skuList)){
             result = genRandomSku(skuList, difficulty);
-        }
             if (result == null) {
                 throw new RuntimeException("库存不足!!!");
             }
             //加时间锁
             int i = goodSkuMapper.delStock(result.getSkuId(), GoodMainConst.BLIND_BOX_ORDER_SKU_NUM, result.getUpdateTime());
             if (i == 0) {
-            throw new RuntimeException("活动火爆");
+                skuList.remove(result);
+            }
         }
         return result;
     }