public IHttpActionResult DeleteProduct(int ID)
        {
            var productCategoryService = new ProductCategoryService();
            var deleteCategorg         = productCategoryService.DeleteCategory(ID);
            var result = new
            {
                Count = deleteCategorg?"删除成功":"删除失败"
            };

            return(Json(result));
        }
        public IHttpActionResult DelArr(List <int> delArr)
        {
            var  productCategoryService = new ProductCategoryService();
            bool isResult = true;

            try
            {
                delArr.ForEach(item =>
                {
                    productCategoryService.DeleteCategory(item);
                });
            }
            catch (Exception)
            {
                isResult = false;
                throw;
            }
            var result = new
            {
                Msg = isResult ? "删除成功" : "删除失败"
            };

            return(Json(result));
        }