今天在工作中碰到同事用了一种新型的方式导入excel，在此做个学习记录。

插件：Aspose.Cells

第一步:准备好导出的模板，例子：

C#代码：

  1. #region 验证数据
  2.  
  3.             if (model == null)
  4.             {
  5.                 throw new FriendlyException("无该月结单！");
  6.             }
  7.             var templatePath = @"Template\trade\Cecsc2bHN\分包分供月度结算审批表.xlsx"; ;
  8.             var resFileName = string.Empty;
  9.             var bigTitle = string.Empty;
  10.             var barCodeStr = string.Empty;
  11.  
  12.             if (string.IsNullOrEmpty(templatePath) || !File.Exists(templatePath))
  13.             {
  14.                 throw new FriendlyException("未找到模板文件！");
  15.             }
  16.  
  17.             #endregion
  18.  
  19.             #region 初始化模板文件
  20.  
  21.             var wk = new Workbook(templatePath);
  22.             var designer = new WorkbookDesigner(wk);
  23.  
  24.             #endregion
  25.  
  26.             #region 数据重构造
  27.  
  28.             // 工程形象进度
  29.  
  30.             #endregion
  31.  
  32.             #region 构造头部信息
  33.             var topInfo = new Dictionary<string, object>
  34.             {
  35.                 { "Title", bigTitle },
  36.                 { "ProjectName", model.ProjectName },
  37.                 { "Code", barCodeStr }
  38.             };
  39.             #endregion
  40.  
  41.             MonthSettlementInfo monthInfo = new MonthSettlementInfo()
  42.             {
  43.                 CurrentInContractSettlementAmount = 56.32M,
  44.                 TerminalInContractSettlementAmount = 123.32M,
  45.                 CurrentOutContractSettlementAmount = 6.32M,
  46.                 TerminalOutContractSettlementAmount = 5.32M,
  47.                 CurrentDeductionSettlementAmount = 12.32M,
  48.                 TerminalDeductionSettlementAmount = 26.32M,
  49.  
  50.                 CurrentInContractSafeAmount = 2.32M,
  51.                 TerminalInContractSafeAmount = 1.32M,
  52.                 CurrentOutContractSafeAmount = 6.32M,
  53.                 TerminalOutContractSafeAmount = 8.32M,
  54.                 CurrentDeductionSafeAmount = 4.32M,
  55.                 TerminalDeductionSafeAmount = 3.32M,
  56.             };
  57.  
  58.             //形象进度描述
  59.             List<TradeSettleReportProjectProgressItemModel> ProjectProgressList = new List<TradeSettleReportProjectProgressItemModel>();
  60.  
  61.             for (int i = 0; i < 3; i++)
  62.             {
  63.                 TradeSettleReportProjectProgressItemModel Progressmodel = new TradeSettleReportProjectProgressItemModel()
  64.                 {
  65.                     ConstractArea = "测试水水水水水水" + i,
  66.                     Remark = "测试模拟的备注" + i,
  67.                     ProgressDesc = "测试撒子怕发送所属" + i,
  68.                     ConstractSite = "场地" + i
  69.                 };
  70.                 ProjectProgressList.Add(Progressmodel);
  71.             }
  72.  
  73.             #region 工程名称
  74.   
                //绑定数据到excel中
                //designer.SetDataSource("绑定的到excle的变量名"，"对应的值")
  75.             designer.SetDataSource("ProgressItem", ProjectProgressList);    //list可以循环绑定  绑定的例子在下面。
  76.             designer.SetDataSource("ProjectName", model.ProjectName);
  77.             designer.SetDataSource("ContractName", model.ContractName);
  78.             designer.SetDataSource("ContractCode", model.ContractCode);
  79.             designer.SetDataSource("MonthSettlementNo", model.MonthSettlementNo);
  80.             designer.SetDataSource("ContractingUnit", model.ContractingUnit);
  81.             designer.SetDataSource("SettlementCode", model.SettlementCode);
  82.             designer.SetDataSource("EnterpriseName", model.EnterpriseName);
  83.             designer.SetDataSource("ThirdPartyName", model.ThirdPartyName);
  84.             designer.SetDataSource("SettlementMonth", model.SettlementMonth);
  85.             designer.SetDataSource("TotalContractAmount", model.TotalContractAmount);
  86.             designer.SetDataSource("SettlementAmountCapitalize", model.SettlementAmountCapitalize);
  87.             #endregion
  88.  
  89.             #endregion
  90.  
  91.             #region 尾部
  92.  
  93.             #endregion
  94.             designer.Process();
  95.             wk.CalculateFormula(); 
  96.  
  97.             #region 重新计算行高
  98.             var startRow = 9;
  99.             var endRow = startRow;
  100.  
  101.             #endregion
  102.  
  103.             #region 导出文件
  104.  
  105.             var fileName = $"{model.SettlementMonth.ToString("yyyy年MM月")}{resFileName}.xlsx";
  106.             using (var file = new MemoryStream())
  107.             {
  108.                 wk.Save(file, SaveFormat.Xlsx);
  109.                 wk.Dispose();
  110.                 return new KeyValuePair<string, byte[]>(fileName, file.ToArray());
  111.             }
  112.             #endregion

此种当时的重点是Excel模板的数据绑定：

第一种：单个值的绑定

第二种：列表值的循环绑定

完整代码

Service层：

  1. public KeyValuePair<string, byte[]> ExportSettle(TradeSettleReportModel model)
  2.         {
  3.             #region 验证数据
  4.  
  5.             if (model == null)
  6.             {
  7.                 throw new FriendlyException("无该月结单！");
  8.             }
  9.             var templatePath = @"Template\trade\Cecsc2bHN\分包分供月度结算审批表.xlsx"; ;
  10.             var resFileName = string.Empty;
  11.             var bigTitle = string.Empty;
  12.             var barCodeStr = string.Empty;
  13.  
  14.             if (string.IsNullOrEmpty(templatePath) || !File.Exists(templatePath))
  15.             {
  16.                 throw new FriendlyException("未找到模板文件！");
  17.             }
  18.  
  19.             #endregion
  20.  
  21.             #region 初始化模板文件
  22.  
  23.             var wk = new Workbook(templatePath);
  24.             var designer = new WorkbookDesigner(wk);
  25.  
  26.             #endregion
  27.  
  28.             #region 数据重构造
  29.  
  30.             // 工程形象进度
  31.  
  32.             #endregion
  33.  
  34.             #region 构造头部信息
  35.             var topInfo = new Dictionary<string, object>
  36.             {
  37.                 { "Title", bigTitle },
  38.                 { "ProjectName", model.ProjectName },
  39.                 { "Code", barCodeStr }
  40.             };
  41.             #endregion
  42.  
  43.             MonthSettlementInfo monthInfo = new MonthSettlementInfo()
  44.             {
  45.                 CurrentInContractSettlementAmount = 56.32M,
  46.                 TerminalInContractSettlementAmount = 123.32M,
  47.                 CurrentOutContractSettlementAmount = 6.32M,
  48.                 TerminalOutContractSettlementAmount = 5.32M,
  49.                 CurrentDeductionSettlementAmount = 12.32M,
  50.                 TerminalDeductionSettlementAmount = 26.32M,
  51.  
  52.                 CurrentInContractSafeAmount = 2.32M,
  53.                 TerminalInContractSafeAmount = 1.32M,
  54.                 CurrentOutContractSafeAmount = 6.32M,
  55.                 TerminalOutContractSafeAmount = 8.32M,
  56.                 CurrentDeductionSafeAmount = 4.32M,
  57.                 TerminalDeductionSafeAmount = 3.32M,
  58.             };
  59.  
  60.             //审批记录
  61.             List<TradeSettleReportApprovalCommentsModel> approveModelList = new List<TradeSettleReportApprovalCommentsModel>();
  62.  
  63.             for (int i = 0; i < 2; i++)
  64.             {
  65.  
  66.                 TradeSettleReportApprovalCommentsModel approveModel = new TradeSettleReportApprovalCommentsModel()
  67.                 {
  68.                     Approver = "admin" + i,
  69.                     Comments = "审批通过" + i,
  70.                     NodeName = "测试模板" + i,
  71.                     Seq = i
  72.                 };
  73.                 approveModelList.Add(approveModel);
  74.             }
  75.  
  76.             //形象进度描述
  77.             List<TradeSettleReportProjectProgressItemModel> ProjectProgressList = new List<TradeSettleReportProjectProgressItemModel>();
  78.  
  79.             for (int i = 0; i < 3; i++)
  80.             {
  81.                 TradeSettleReportProjectProgressItemModel Progressmodel = new TradeSettleReportProjectProgressItemModel()
  82.                 {
  83.                     ConstractArea = "测试水水水水水水" + i,
  84.                     Remark = "测试模拟的备注" + i,
  85.                     ProgressDesc = "测试撒子怕发送所属" + i,
  86.                     ConstractSite = "场地" + i
  87.                 };
  88.                 ProjectProgressList.Add(Progressmodel);
  89.             }
  90.  
  91.             #region 工程名称
  92.  
  93.             designer.SetDataSource("CurrentInContractSettlementAmount", monthInfo.CurrentInContractSettlementAmount);
  94.             designer.SetDataSource("TerminalInContractSettlementAmount", monthInfo.TerminalInContractSettlementAmount);
  95.             designer.SetDataSource("CurrentOutContractSettlementAmount", monthInfo.CurrentOutContractSettlementAmount);
  96.             designer.SetDataSource("TerminalOutContractSettlementAmount", monthInfo.TerminalOutContractSettlementAmount);
  97.             designer.SetDataSource("CurrentDeductionSettlementAmount", monthInfo.CurrentDeductionSettlementAmount);
  98.             designer.SetDataSource("TerminalDeductionSettlementAmount", monthInfo.TerminalDeductionSettlementAmount);
  99.             designer.SetDataSource("CurrentInContractSafeAmount", monthInfo.CurrentInContractSafeAmount);
  100.             designer.SetDataSource("TerminalInContractSafeAmount", monthInfo.TerminalInContractSafeAmount);
  101.             designer.SetDataSource("CurrentOutContractSafeAmount", monthInfo.CurrentOutContractSafeAmount);
  102.             designer.SetDataSource("TerminalOutContractSafeAmount", monthInfo.TerminalOutContractSafeAmount);
  103.             designer.SetDataSource("CurrentDeductionSafeAmount", monthInfo.CurrentDeductionSafeAmount);
  104.             designer.SetDataSource("TerminalDeductionSafeAmount", monthInfo.TerminalDeductionSafeAmount);
  105.  
  106.             designer.SetDataSource("DetailItem", approveModelList);
  107.             designer.SetDataSource("ProgressItem", ProjectProgressList);
  108.             designer.SetDataSource("ProjectName", model.ProjectName);
  109.             designer.SetDataSource("ContractName", model.ContractName);
  110.             designer.SetDataSource("ContractCode", model.ContractCode);
  111.             designer.SetDataSource("MonthSettlementNo", model.MonthSettlementNo);
  112.             designer.SetDataSource("ContractingUnit", model.ContractingUnit);
  113.             designer.SetDataSource("SettlementCode", model.SettlementCode);
  114.             designer.SetDataSource("EnterpriseName", model.EnterpriseName);
  115.             designer.SetDataSource("ThirdPartyName", model.ThirdPartyName);
  116.             designer.SetDataSource("SettlementMonth", model.SettlementMonth);
  117.             designer.SetDataSource("TotalContractAmount", model.TotalContractAmount);
  118.             designer.SetDataSource("SettlementAmountCapitalize", model.SettlementAmountCapitalize);
  119.             #endregion
  120.  
  121.             #region 预算编号
  122.             //var _dic = this.GetLaborProSettleInfo(exportDataSource);
  123.             //foreach (var item in _dic)
  124.             //{
  125.             //    designer.SetDataSource(item.Key, item.Value);
  126.             //}
  127.  
  128.             #endregion
  129.  
  130.             #region 写入数据
  131.             //foreach (var keyValuePair in topInfo)
  132.             //{
  133.             //    designer.SetDataSource(keyValuePair.Key, keyValuePair.Value);
  134.             //}
  135.             //designer.SetDataSource("ProjectProgress", exportDataSource.ProjectProgressItems);
  136.             //designer.SetDataSource("MonthEstimate", exportDataSource.MonthEstimateOutputs);
  137.             #region 表1
  138.             //
  139.             Dictionary<string, decimal> dic = new Dictionary<string, decimal>();
  140.  
  141.             if (dic != null)
  142.             {
  143.                 foreach (var item in dic)
  144.                 {
  145.                     designer.SetDataSource(item.Key, item.Value);
  146.                 }
  147.             }
  148.  
  149.             #endregion
  150.  
  151.             #endregion
  152.  
  153.             #region 尾部
  154.  
  155.             #endregion
  156.             #region 删除模板sheet
  157.             //wk.Worksheets.RemoveAt(wk.Worksheets["表2"].Index);
  158.             //wk.Worksheets.RemoveAt(wk.Worksheets["表3"].Index);
  159.             designer.Process();
  160.             wk.CalculateFormula();
  161.             #endregion
  162.  
  163.             #region 插入条形码
  164.  
  165.             //var barCode = BarCodeGenerator.GetBarCodePNG(barCodeStr);
  166.             //var barCode = BarCodeGenerator.WriteQRCodeImg(barCodeStr);
  167.             //wk.Worksheets[0].Pictures.Add(0, 0, 1, 1, new MemoryStream(barCode));
  168.             //wk.Worksheets[0].Pictures[0].Width = 60;
  169.             //wk.Worksheets[0].Pictures[0].Width = 60;
  170.             #endregion
  171.  
  172.             #region 重新计算行高
  173.             var startRow = 9;
  174.             var endRow = startRow;
  175.  
  176.             #endregion
  177.  
  178.             #region 导出文件
  179.  
  180.             var fileName = $"{model.SettlementMonth.ToString("yyyy年MM月")}{resFileName}.xlsx";
  181.             using (var file = new MemoryStream())
  182.             {
  183.                 wk.Save(file, SaveFormat.Xlsx);
  184.                 wk.Dispose();
  185.                 return new KeyValuePair<string, byte[]>(fileName, file.ToArray());
  186.             }
  187.             #endregion
  188.         }

Interface层：

  1. KeyValuePair<string, byte[]> ExportSettle(TradeSettleReportModel model);

Controller层：

  1.         [AllowAnonymous]
  2.         [HttpPost("Export")]
  3.         public async Task<IActionResult> Export()
  4.         {
  5.             TradeSettleReportModel model = new TradeSettleReportModel()
  6.             {
  7.                 ProjectName = "测刷",
  8.                 ContractName = "测试合同名称",
  9.                 ContractCode = "0010101012E",
  10.                 MonthSettlementNo = "0010101012E",
  11.                 ContractingUnit = "重庆市",
  12.                 SettlementCode = "EW2Z4523",
  13.                 EnterpriseName = "WZQ我在钱钱钱",
  14.                 ThirdPartyName = "第三方地中四年",
  15.                 SettlementMonth = DateTime.Now,
  16.                 SettlementAmountCapitalize = "壹拾贰万叁仟壹佰贰拾叁元贰角伍分",
  17.  
  18.             };
  19.             var result = await Task.Run(() => tradeSettleCommonService.ExportSettle(model));
  20.             return File(result.Value, "application/octet-stream", result.Key);
  21.         }

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