清空购物车同时返还库存及销量

eladmin-common/src/main/java/cn/ysk/cashier/utils/CacheKey.java

@@ -67,4 +67,8 @@ public interface CacheKey {
      * 库存 PRODUCT:shopid:skuid
      */
     String PRODUCT_SKU = "PRODUCT:";
+    /**
+     * 商品库存
+     */
+    String PRODUCT = "PRODUCT:";
 }

eladmin-common/src/main/java/cn/ysk/cashier/utils/RedisUtils.java

@@ -716,6 +716,10 @@ public class RedisUtils {
         redisTemplate.opsForValue().increment(key, delta);
     }
 
+    public void decrBy(String key, long delta) {
+        redisTemplate.opsForValue().decrement(key, delta);
+    }
+
     /**
      * @param prefix 前缀
      * @param ids    id