public ActionResult GetProductAttribute(int id)
        {
            Product_Attribute productAttribute = _productManager.GetProductAttribute(id);

            if (productAttribute == null)
            {
                return(FailedResult("指定的数据不存在。"));
            }

            Product_AttributeDto productAttributeDto = Mapper.Map <Product_AttributeDto>(productAttribute);

            return(DataResult(productAttributeDto));
        }
        public ActionResult UpdateProductAttribute()
        {
            Product_AttributeDto args = RequestArgs <Product_AttributeDto>();

            if (args == null)
            {
                return(FailedResult("参数无效。"));
            }

            Product_Attribute productAttribute = Mapper.Map <Product_Attribute>(args);

            NormalResult result = _productManager.UpdateProductAttribute(productAttribute);

            return(ApiResult(result.Successful, result.Message));
        }