feat：领取商品增加是否上架和库存校验

fightwine-service/src/main/java/com/yzt/service/service/impl/StorePinkServiceImpl.java

@@ -892,6 +892,16 @@ public class StorePinkServiceImpl extends ServiceImpl<StorePinkMapper, StorePink
         if (ObjectUtil.isNull(storeProduct)) {
             throw new YztException("商品不存在");
         }
+        
+        // 校验商品是否上架
+        if (!storeProduct.getIsShow()) {
+            throw new YztException("商品已下架，无法领取");
+        }
+        
+        // 校验商品库存
+        if (storeProduct.getStock() == null || storeProduct.getStock() < 1) {
+            throw new YztException("商品库存不足，无法领取");
+        }
 
         // 生成订单号
         String orderNo = YztUtil.getOrderNo("claim");