/// <summary> /// 获取Demo分页 /// </summary> /// <param name="PageIndex"></param> /// <param name="PageSize"></param> /// <param name="SortField"></param> /// <param name="SortType"></param> /// <returns></returns> public async Task <PageResult <Demo> > GetDemoPageListAsync(int PageIndex, int PageSize, string SortField, string SortType) { var demoList = new PageResult <Demo>(); var demoModel = _demoRepository.GetAsIQuerable(); var MaxPage = demoModel.Count() == 0 ? demoModel.Count() / PageSize : (demoModel.Count() / PageSize) + 1; if (PageIndex > MaxPage) { PageIndex = MaxPage; //超过最大页数默认获取最后一页 } demoList.PageIndex = PageIndex; demoList.PageSize = PageSize; demoList.TotalCount = demoModel.Count(); if (demoModel.Any()) { demoList.list = await PaginationHelper.SortingAndPaging(demoModel, SortField, SortType, PageIndex, PageSize).ToListAsync(); } return(demoList); }