protected override List <OrderEntity> FetchOrders() { var ordersList = new List <OrderEntity>(); foreach (var file in this.GetExcelFiles()) { using (var excel = new NPOIExcel(file.FullName)) { var table = excel.jinwenExcelToDataTable(null, true); if (table != null) { this.ResolveOrders(table, file, ordersList); } else { OnUIMessageEventHandle($"{NameDesc}导入文件:{file.FileName}解析完毕,当前订单数{ordersList.Count}"); continue; } } // file.FileName = file. } return(ordersList); }