/// <summary> /// 获取分页(排序)参数 /// </summary> /// <param name="request"></param> /// <returns></returns> public static PageParams GetPageParams(HttpRequestBase request, ViewDataDictionary viewData) { int pageSize = request["PageSize"].ParseInt(); int pageIndex = request["PageIndex"].ParseInt(); int? sortField = request["SortField"] == null ? null : (int?)request["SortField"].ParseInt(); string sortFieldName = request["SortFieldName"]; SortDirectionEnum? sortDirection = request["SortDirection"] == null ? null : (SortDirectionEnum?)request["SortDirection"].ParseInt(); PageParams viewDataPageParams = viewData.GetPageParams(); //if (pageSize != viewDataPageParams.PageSize) // pageIndex = 1; //改变了分页大小后自动跳到第一页 PageParams pageParams = new PageParams() { PageSize = pageSize <= 0 ? viewDataPageParams.PageSize : pageSize, PageIndex = pageIndex <= 0 ? viewDataPageParams.PageIndex : pageIndex, SortField = sortField == null ? viewDataPageParams.SortField : sortField.Value, SortFiledName = sortFieldName, sortDirection = sortDirection == null ? viewDataPageParams.sortDirection : sortDirection.Value }; return pageParams; }