功能完善
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路 范
212
20220330_Vote/Vote.Services/Tools/ExcelHelper.cs
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212
20220330_Vote/Vote.Services/Tools/ExcelHelper.cs
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using Furion;
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using Furion.FriendlyException;
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using NPOI.HSSF.UserModel;
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using NPOI.SS.UserModel;
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using NPOI.XSSF.UserModel;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using Vote.Services.Dto;
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namespace Vote.Services.Tools
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{
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/// <summary>
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///
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/// </summary>
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public static class ExcelHelper
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{
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static ExcelHelper()
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{
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System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
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}
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/// <summary>
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/// 判断是否为兼容模式
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/// </summary>
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/// <param name="filePath"></param>
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/// <returns></returns>
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public static bool GetIsCompatible(string filePath)
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{
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return filePath.EndsWith(".xls", StringComparison.OrdinalIgnoreCase);
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}
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/// <summary>
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/// 创建工作薄
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/// </summary>
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/// <param name="isCompatible"></param>
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/// <returns></returns>
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public static IWorkbook CreateWorkbook(bool isCompatible)
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{
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if (isCompatible)
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{
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return new HSSFWorkbook();
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}
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else
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{
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return new XSSFWorkbook();
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}
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}
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/// <summary>
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/// 创建工作薄(依据文件流)
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/// </summary>
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/// <param name="isCompatible"></param>
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/// <param name="stream"></param>
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/// <returns></returns>
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public static IWorkbook CreateWorkbook(bool isCompatible, dynamic stream)
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{
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if (isCompatible)
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{
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return new HSSFWorkbook(stream);
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}
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else
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{
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return new XSSFWorkbook(stream);
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}
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}
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/// <summary>
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/// 列名字母转索引
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/// </summary>
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/// <param name="columnName"></param>
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/// <returns></returns>
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public static int ToExcelColumnIndex(this string columnName)
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{
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if (!Regex.IsMatch(columnName.ToUpper(), @"[A-Z]+")) { throw new Exception("invalid parameter"); }
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int index = 0;
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char[] chars = columnName.ToUpper().ToCharArray();
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for (int i = 0; i < chars.Length; i++)
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{
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index += ((int)chars[i] - (int)'A' + 1) * (int)Math.Pow(26, chars.Length - i - 1);
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}
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return index - 1;
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}
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/// <summary>
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/// 列索引转字母
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/// </summary>
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/// <param name="index"></param>
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/// <returns></returns>
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public static string ToExcelColumnName(this int index)
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{
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if (index < 0) { throw new Exception("invalid parameter"); }
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List<string> chars = new List<string>();
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do
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{
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if (chars.Count > 0) index--;
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chars.Insert(0, ((char)(index % 26 + (int)'A')).ToString());
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index = (int)((index - index % 26) / 26);
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} while (index > 0);
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return String.Join(string.Empty, chars.ToArray());
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}
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private static List<ProjectsList2Output> GetDataByType(List<ProjectsList2Output> list, Entities.EnumProjectType type)
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{
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return list.Where(a => a.type == type).ToList();
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}
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/// <summary>
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///
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/// </summary>
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/// <returns></returns>
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public static string WriteTemplate(List<ProjectsList2Output> list, int start_row, string start_column)
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{
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try
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{
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string template_name = "2021年度甬江杯投票.xlsx";
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string excelFilePath = $"{App.WebHostEnvironment.WebRootPath}\\ExcelTemplate\\{template_name}";
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string outputPath = string.Empty;
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if (!string.IsNullOrEmpty(excelFilePath))
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{
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using (FileStream excelFileStream = System.IO.File.OpenRead(excelFilePath))
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{
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bool isCompatible = ExcelHelper.GetIsCompatible(excelFilePath);
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IWorkbook workbook = ExcelHelper.CreateWorkbook(isCompatible, excelFileStream);
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ISheet sheet = null;
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sheet = workbook.GetSheetAt(1);
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Dictionary<string, string> dic_sheet_config = new Dictionary<string, string>();
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var data = GetDataByType(list, Entities.EnumProjectType.FangJian);
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//从第几行开始 , 比如 行号是4 , 就写3
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var startRowIndex = start_row - 1;
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for (int i = 0; i < data.Count; i++)
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{
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var c_rowindex = startRowIndex + i;
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int cell_start_index = start_column.ToExcelColumnIndex();
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sheet.GetRow(c_rowindex).GetCell(cell_start_index).SetCellValue(data[i].no_count);
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sheet.GetRow(c_rowindex).GetCell(cell_start_index + 1).SetCellValue(data[i].yes_count);
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sheet.GetRow(c_rowindex).GetCell(cell_start_index + 2).SetCellValue(data[i].is_agree ? "通过" : "不通过");
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}
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var length0 = data.Count;
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data = GetDataByType(list, Entities.EnumProjectType.ShiZheng);
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for (int i = 0; i < data.Count; i++)
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{
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var c_rowindex = length0 + 1 + startRowIndex + i;
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int cell_start_index = start_column.ToExcelColumnIndex();
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sheet.GetRow(c_rowindex).GetCell(cell_start_index).SetCellValue(data[i].no_count);
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sheet.GetRow(c_rowindex).GetCell(cell_start_index + 1).SetCellValue(data[i].yes_count);
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sheet.GetRow(c_rowindex).GetCell(cell_start_index + 2).SetCellValue(data[i].is_agree ? "通过" : "不通过");
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}
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var length1 = data.Count;
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data = GetDataByType(list, Entities.EnumProjectType.GuiDaoGongCheng);
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for (int i = 0; i < data.Count; i++)
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{
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var c_rowindex = length0 + 1 + length1 + 1 + startRowIndex + i;
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int cell_start_index = start_column.ToExcelColumnIndex();
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sheet.GetRow(c_rowindex).GetCell(cell_start_index).SetCellValue(data[i].no_count);
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sheet.GetRow(c_rowindex).GetCell(cell_start_index + 1).SetCellValue(data[i].yes_count);
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sheet.GetRow(c_rowindex).GetCell(cell_start_index + 2).SetCellValue(data[i].is_agree ? "通过" : "不通过");
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}
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var length2 = data.Count;
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data = GetDataByType(list, Entities.EnumProjectType.DianLiGongCheng);
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for (int i = 0; i < data.Count; i++)
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{
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var c_rowindex = length0 + 1 + length1 + 1 + length2 + 1 + startRowIndex + i;
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int cell_start_index = start_column.ToExcelColumnIndex();
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sheet.GetRow(c_rowindex).GetCell(cell_start_index).SetCellValue(data[i].no_count);
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sheet.GetRow(c_rowindex).GetCell(cell_start_index + 1).SetCellValue(data[i].yes_count);
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sheet.GetRow(c_rowindex).GetCell(cell_start_index + 2).SetCellValue(data[i].is_agree ? "通过" : "不通过");
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}
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var length3 = data.Count;
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data = GetDataByType(list, Entities.EnumProjectType.JiaoTongGongCheng);
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for (int i = 0; i < data.Count; i++)
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{
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var c_rowindex = length0 + 1 + length1 + 1 + length2 + 1 + length3 + 1 + startRowIndex + i;
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int cell_start_index = start_column.ToExcelColumnIndex();
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sheet.GetRow(c_rowindex).GetCell(cell_start_index).SetCellValue(data[i].no_count);
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sheet.GetRow(c_rowindex).GetCell(cell_start_index + 1).SetCellValue(data[i].yes_count);
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sheet.GetRow(c_rowindex).GetCell(cell_start_index + 2).SetCellValue(data[i].is_agree ? "通过" : "不通过");
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}
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var length4 = data.Count;
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data = GetDataByType(list, Entities.EnumProjectType.ShuiLiGongCheng);
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for (int i = 0; i < data.Count; i++)
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{
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var c_rowindex = length0 + 1 + length1 + 1 + length2 + 1 + length3 + 1 + length4 + 1 + startRowIndex + i;
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int cell_start_index = start_column.ToExcelColumnIndex();
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sheet.GetRow(c_rowindex).GetCell(cell_start_index).SetCellValue(data[i].no_count);
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sheet.GetRow(c_rowindex).GetCell(cell_start_index + 1).SetCellValue(data[i].yes_count);
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sheet.GetRow(c_rowindex).GetCell(cell_start_index + 2).SetCellValue(data[i].is_agree ? "通过" : "不通过");
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}
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var file = new FileInfo(excelFilePath);
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var savePath = file.DirectoryName + "\\OutPut\\";
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if (!Directory.Exists(savePath))
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Directory.CreateDirectory(savePath);
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outputPath = savePath + DateTime.Now.ToString("yyyyMMddHHmmss") + "-" + template_name;
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using (var filess = new FileStream(outputPath, FileMode.Create, FileAccess.Write, FileShare.Read))
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{
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workbook.Write(filess);
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}
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}
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}
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return outputPath;
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}
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catch (System.IO.IOException ioex)
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{
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throw Oops.Oh("文件被占用，请检查文件模板");
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}
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}
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}
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}
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