public ActionResult Edit(int id = -1)
        {
            FriendLinkInfo friendLinkInfo = AdminFriendLinks.GetFriendLinkById(id);
            if (friendLinkInfo == null)
                return PromptView("友情链接不存在");

            FriendLinkModel model = new FriendLinkModel();
            model.FriendLinkName = friendLinkInfo.Name;
            model.FriendLinkTitle = friendLinkInfo.Title;
            model.FriendLinkLogo = friendLinkInfo.Logo;
            model.FriendLinkUrl = friendLinkInfo.Url;
            model.Target = friendLinkInfo.Target;
            model.DisplayOrder = friendLinkInfo.DisplayOrder;
            Load();

            return View(model);
        }
        public ActionResult Add(FriendLinkModel model)
        {
            if (ModelState.IsValid)
            {
                FriendLinkInfo friendLinkInfo = new FriendLinkInfo()
                {
                    Name = model.FriendLinkName,
                    Title = model.FriendLinkTitle == null ? "" : model.FriendLinkTitle,
                    Logo = model.FriendLinkLogo == null ? "" : model.FriendLinkLogo,
                    Url = model.FriendLinkUrl,
                    Target = model.Target,
                    DisplayOrder = model.DisplayOrder
                };

                AdminFriendLinks.CreateFriendLink(friendLinkInfo);
                AddMallAdminLog("添加友情链接", "添加友情链接,友情链接为:" + model.FriendLinkName);
                return PromptView("友情链接添加成功");
            }
            Load();
            return View(model);
        }
        public ActionResult Edit(FriendLinkModel model, int id = -1)
        {
            FriendLinkInfo friendLinkInfo = AdminFriendLinks.GetFriendLinkById(id);
            if (friendLinkInfo == null)
                return PromptView("友情链接不存在");

            if (ModelState.IsValid)
            {
                friendLinkInfo.Name = model.FriendLinkName;
                friendLinkInfo.Title = model.FriendLinkTitle == null ? "" : model.FriendLinkTitle;
                friendLinkInfo.Logo = model.FriendLinkLogo == null ? "" : model.FriendLinkLogo;
                friendLinkInfo.Url = model.FriendLinkUrl;
                friendLinkInfo.Target = model.Target;
                friendLinkInfo.DisplayOrder = model.DisplayOrder;

                AdminFriendLinks.UpdateFriendLink(friendLinkInfo);
                AddMallAdminLog("修改友情链接", "修改友情链接,友情链接ID为:" + id);
                return PromptView("友情链接修改成功");
            }

            Load();
            return View(model);
        }
 public ActionResult Add()
 {
     FriendLinkModel model = new FriendLinkModel();
     Load();
     return View(model);
 }