/// <summary>
        /// 产品编辑
        /// </summary>
        /// <returns></returns>
        public ActionResult ProductEdit()
        {
            //判断是否是修改
            int productid = QueryString.IntSafeQ("productid");
            int siteid    = QueryString.IntSafeQ("siteid");

            if (siteid == 0 && productid == 0)
            {
                return(Redirect(SuperMarketWebUrl.GetSysSelectSiteIdUrl()));
            }
            int             classid          = 0;
            int             brandid          = 0;
            VWProductEntity _vwproductentity = new VWProductEntity();

            if (productid > 0)
            {
                _vwproductentity                  = ProductBLL.Instance.GetProductVW(productid);
                _vwproductentity.ProductPics      = ProductStylePicsBLL.Instance.GetListPicsByProductId(productid); //获取样式图片列表
                _vwproductentity.ProductPropertys = ProductPropertyBLL.Instance.GetListByProductId(productid);      //获取样式属性列表
                ProductBLL.Instance.Assignment(ref _vwproductentity, productid);
                classid = _vwproductentity.ClassId;
                brandid = _vwproductentity.BrandId;
                siteid  = _vwproductentity.SiteId;
                ClassesFoundEntity _classentity = ClassesFoundBLL.Instance.GetClassesFound(classid, false);
                BrandEntity        _brandntity  = BrandBLL.Instance.GetBrand(brandid, false);
            }
            else
            {
                classid = QueryString.IntSafeQ("classid");
                brandid = QueryString.IntSafeQ("brandid");
            }


            ViewBag.SiteId  = siteid;
            ViewBag.Product = _vwproductentity;
            ViewBag.MemId   = memid;
            return(View());
        }