/// <summary>
        /// 从ERP中获取截止到给定月份的合格供应商清册列表
        /// </summary>
        /// <param name="endYearMonth">年份格式yyyyMM</param>
        /// <returns></returns>
        public List <SuppliersSumInfoVM> GetQualifiedSupplierList(string endYearMonth)
        {
            List <SuppliersSumInfoVM> SupplierInfoVmDatas = new List <SuppliersSumInfoVM>();

            SuppliersSumInfoVM modelVm        = null;
            string             startYearMonth = (int.Parse(endYearMonth) - 100).ToString();
            //获取供应商信息
            var supplierInfoList = GetSupplierInformationListBy(startYearMonth, endYearMonth);

            if (supplierInfoList == null || supplierInfoList.Count == 0)
            {
                return(SupplierInfoVmDatas);
            }
            supplierInfoList.ForEach(supplierInfo =>
            {
                if (supplierInfo.IsCooperate.ToString() == "True")
                {
                    ///供应商信息加载最后二次采购信息
                    modelVm = GetSuppliersInfoAddrLatestTwoPurchaseInfo(supplierInfo);
                }
                if (modelVm != null && !SupplierInfoVmDatas.Contains(modelVm))
                {
                    SupplierInfoVmDatas.Add(modelVm);
                }
            });
            return(SupplierInfoVmDatas.OrderBy(e => e.SupplierId).ToList());
        }
        /// <summary>
        ///通过供应商信息得到证书信息
        /// </summary>
        /// <param name="supplierInfo"></param>
        /// <returns></returns>
        private SuppliersSumInfoVM GetSuppliersInfoAddrLatestTwoPurchaseInfo(SupplierInfoModel supplierInfo)
        {
            //从ERP中得到最新二次采购信息


            //// 获取供应商证书字典
            //var certificateDictionary = CertificateDictionary(supplierInfo.SupplierId);
            SuppliersSumInfoVM m = new SuppliersSumInfoVM();

            OOMaper.Mapper <SupplierInfoModel, SuppliersSumInfoVM>(supplierInfo, m);
            SupplierLatestTwoPurchaseCell LatestTwoPurchaseModel = new SupplierLatestTwoPurchaseCell();

            //从ERP中得到最新二次采购信息
            var supplierLatestTwoPurchase = PurchaseDbManager.PurchaseDb.FindSupplierLatestTwoPurchaseBy(supplierInfo.SupplierId);

            if (supplierLatestTwoPurchase != null)
            {
                LatestTwoPurchaseModel.LastPurchaseDate  = supplierLatestTwoPurchase[0].PurchaseDate.Trim().ToDate();
                LatestTwoPurchaseModel.UpperPurchaseDate = supplierLatestTwoPurchase[1].PurchaseDate.Trim().ToDate();
                LatestTwoPurchaseModel.PurchaseUser      = supplierLatestTwoPurchase[0].PurchasePerson.Trim();
            }
            OOMaper.Mapper <SupplierLatestTwoPurchaseCell, SuppliersSumInfoVM>(LatestTwoPurchaseModel, m);
            return(m);
        }