public SearchBankResult Search(SearchBankOpt options)
        {
            using (MyDbContext ctx = new MyDbContext())
            {
                BaseService <BankEntity> bs = new BaseService <BankEntity>(ctx);


                var data = bs.GetAll();

                if (options.ClassId != null && options.ClassId != 9999)
                {
                    data = data.Where(t => t.ClassId == options.ClassId);
                }
                if (!string.IsNullOrEmpty(options.Keyword))
                {
                    data = data.Where(t => t.Subject.Contains(options.Keyword));
                }
                long totalCount = data.LongCount();//总搜索结果条数

                data = data.Include(e => e.BankClass).OrderByDescending(t => t.CreateDateTime).Skip((options.CurrentIndex - 1) * options.PageSize)
                       .Take(options.PageSize);
                SearchBankResult res = new SearchBankResult();
                res.totalCount = totalCount;

                List <BankDTO> banks = new List <BankDTO>();

                res.result = data.ToList().Select(e => ToDTO(e)).ToArray();

                BaseService <BankClassEntity> bs_bankclass = new BaseService <BankClassEntity>(ctx);

                var bankClasses = bs_bankclass.GetAll().ToList().Select(e => ToDTOClass(e)).ToArray();
                res.BankClass = bankClasses;
                return(res);
            }
        }
        public ActionResult Index(long?ClassId, string keyword, int pageIndex = 1)
        {
            SearchBankOpt opt = new SearchBankOpt();

            opt.CurrentIndex  = pageIndex;
            opt.ClassId       = ClassId;
            opt.Keyword       = keyword;
            opt.PageSize      = 10;
            ViewBag.pageIndex = pageIndex;
            ViewBag.ClassId   = ClassId;
            ViewBag.keyword   = keyword;

            var data = bankService.Search(opt);

            return(View(data));
        }