新增redis锁控制库存!

carbon-h5/carbon-h5-service/src/main/java/com/hcloud/microserver/h5/service/impl/OrderInfoServiceImpl.java

@@ -546,6 +546,8 @@ public class OrderInfoServiceImpl implements OrderInfoService {
         List<GoodsOrderDetail> dataList = new ArrayList<>();
         for (CreateOrderDetailFrom good : goods) {
             String goodsId = good.getGoodsId();
+
+
             //购买的碳汇量
             BigDecimal carbonVal = good.getCarbonVal();
             //获取销售信息
@@ -575,8 +577,18 @@ public class OrderInfoServiceImpl implements OrderInfoService {
 //            goodsInfo.setCarbonVal(reCarbonVal);
 //            goodsInfoMapper.updateByPrimaryKeySelective(goodsInfo);
 
-            updateGoods(carbonVal, goodsInfoGuid);
-
+            RLock lock = redissonClient.getLock(goodsId);
+            try {
+                //加锁 操作很类似Java的ReentrantLock机制
+                lock.lock();
+                updateGoods(carbonVal, goodsInfoGuid);
+            } catch (Exception e) {
+                System.out.println(e.getMessage());
+                throw new RuntimeException("请重新抢购!");
+            } finally {
+                //解锁
+                lock.unlock();
+            }
             //获取小订单
             addGoodsOrderDetail(customerId, orderId, dataList, good, goodsInfo, sum);
         }