/// <summary> /// 取消商品分类。 /// </summary> /// <param name="productID">需要取消分类的商品ID值。</param> public void UncategorizeProduct(Guid productID) { if (productID == Guid.Empty) { throw new ArgumentNullException("productID"); } var product = productRepository.Get(productID); domainService.Uncategorize(product); }