C# 通过Aspose.Cells.dll 根据模板导出数据

DataTable dataTableID = select.GetPicFileByPid("FAI_WB");
            if (dataTableID.Rows.Count > 0)
            {
                byte[] fileBytes = (byte[])dataTableID.Rows[0]["PIC_CONTENT"];
 
                //将服务器模板下载到根目录文件夹 
                string filePath = Application.StartupPath + @"\template\";
                if (!Directory.Exists(filePath))
                    Directory.CreateDirectory(filePath);
                if (System.IO.File.Exists(filePath + dataTableID.Rows[0]["PIC_NAME"]))
                    System.IO.File.Delete(filePath + dataTableID.Rows[0]["PIC_NAME"]);
 
                FileStream fs = new FileStream(filePath + dataTableID.Rows[0]["PIC_NAME"], FileMode.CreateNew);
                BinaryWriter bw = new BinaryWriter(fs);
                bw.Write(fileBytes, 0, fileBytes.Length);
                bw.Close();
                fs.Close();
            }
 
 
            //读取报表模板，填入数据
            string path = Application.StartupPath + "\\template\\" + dataTableID.Rows[0]["PIC_NAME"].ToString();
            Workbook workbook = new Workbook(path); //创建Aspose.Cells工作对象
            //创建一个workbookdesigner对象
            WorkbookDesigner designer = new WorkbookDesigner(workbook);
 
            设置实体类对象
            designer.SetDataSource(dt);
            var sheet = designer.Workbook.Worksheets[0];
            sheet.Cells["C2"].PutValue(textBox1.Text);
            sheet.Cells["E2"].PutValue(textBox2.Text);
            /*
            对模板指定单元格赋值
                
        
            */
            //根据数据源处理生成报表内容
            designer.Process();
            //保存Excel文件
            string fileToSave = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + "\\检查表-" + textBox7.Text + "-" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".xlsx";
 
            if (File.Exists(fileToSave))
            {
                File.Delete(fileToSave);
            }
            designer.Workbook.Save(fileToSave);
            打开Excel文件
            //Process.Start(fileToSave);
            MSG.ShowInfo(utility.GlobalClientLang, "保存成功");