1.新增商品规格获取接口

2.多规格上下架实现

src/main/resources/mapper/TbProductSkuMapper.xml

@@ -362,11 +362,11 @@
   </update>
 
   <select id="selectByShopIdAndProductIdAndSpec" resultMap="ResultMapWithBLOBs">
-    select * from tb_product_sku where shop_id=#{shopId} and product_id=#{productId} and is_del = 0
-
+    select * from tb_product_sku where shop_id=#{shopId} and product_id=#{productId} and is_del = 0 and is_grounding=1
     <if test="spec != null and spec !=''">
       and spec_snap = #{spec}
     </if>
+    limit 1
     </select>
     <select id="selectAll" resultType="com.chaozhanggui.system.cashierservice.entity.TbProductSku">
       select * from tb_product_sku