refactor: 商品模块缓存key调整

mall-pms/pms-boot/src/main/java/com/youlai/mall/pms/common/constant/ProductConstants.java

+package com.youlai.mall.pms.common.constant;
+
+/**
+ * 商品模块常量
+ *
+ * @author haoxr
+ * @date 2021/02/28
+ */
+public interface ProductConstants {
+
+    /**
+     * 订单锁定的商品列表key前缀
+     */
+    String ORDER_LOCKED_SKUS_PREFIX = "order:locked:skus:";
+
+    /**
+     * 商品分布式锁key前缀
+     */
+    String SKU_LOCK_PREFIX = "product:sku:lock:";
+
+    /**
+     * 临时规格ID前缀
+     */
+    String SPEC_TEMP_ID_PREFIX = "tid_";
+
+}