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@@ -8,6 +8,7 @@ using NPOI.HSSF.UserModel;
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using NPOI.SS.UserModel;
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using NPOI.SS.Util;
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using NPOI.XSSF.UserModel;
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+using System.Collections.Generic;
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namespace CallCenter.Utility
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{
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@@ -247,14 +248,14 @@ namespace CallCenter.Utility
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{
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HSSFWorkbook workbook = new HSSFWorkbook();
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//ISheet sheet = workbook.CreateSheet("Sheet1");
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-
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+
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//数据总数
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int count = dt.Rows.Count;
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//注意:1、Excel2003及以前版本65536行,256列; 2、Excel2007、2010版本1048576行,16384列
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int sheetpage = 50000; //这里设置5w条
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//向上取整
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int sheetindexcount = int.Parse(Math.Ceiling(Convert.ToDecimal((double)count / sheetpage)).ToString());
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- if(sheetindexcount == 0)
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+ if (sheetindexcount == 0)
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sheetindexcount = 1;
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for (int n = 1; n <= sheetindexcount; n++)
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@@ -388,11 +389,159 @@ namespace CallCenter.Utility
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}
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return "";
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}
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- catch(Exception ex)
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+ catch (Exception ex)
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+ {
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+ return "导出失败!" + ex.Message;
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+ }
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+ }
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+
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+
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+ /// <summary>
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+ /// 弹出下载框导出excel => 创建多个Sheet:例如sheet1,sheet2...【数据源为 List<List<string>> 】
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+ /// </summary>
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+ /// <param name="Name"></param>
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+ /// <param name="list"></param>
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+ /// <returns></returns>
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+ public string ExportToExcel(string Name, List<List<string>> list, string[] cols = null)
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+ {
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+ try
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+ {
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+ HSSFWorkbook workbook = new HSSFWorkbook();
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+ //ISheet sheet = workbook.CreateSheet("Sheet1");
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+
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+ //数据总数
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+ int count = list.Count;
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+ //注意:1、Excel2003及以前版本65536行,256列; 2、Excel2007、2010版本1048576行,16384列
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+ int sheetpage = 50000; //这里设置5w条
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+ //向上取整
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+ int sheetindexcount = int.Parse(Math.Ceiling(Convert.ToDecimal((double)count / sheetpage)).ToString());
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+ if (sheetindexcount == 0)
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+ sheetindexcount = 1;
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+
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+ for (int n = 1; n <= sheetindexcount; n++)
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+ {
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+ ISheet sheet = workbook.CreateSheet("Sheet" + n);
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+ ICellStyle HeadercellStyle = workbook.CreateCellStyle();
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+ HeadercellStyle.BorderBottom = NPOI.SS.UserModel.BorderStyle.Thin;
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+ HeadercellStyle.BorderLeft = NPOI.SS.UserModel.BorderStyle.Thin;
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+ HeadercellStyle.BorderRight = NPOI.SS.UserModel.BorderStyle.Thin;
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+ HeadercellStyle.BorderTop = NPOI.SS.UserModel.BorderStyle.Thin;
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+ HeadercellStyle.Alignment = HorizontalAlignment.Center;
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+ HeadercellStyle.FillForegroundColor = NPOI.HSSF.Util.HSSFColor.SkyBlue.Index;
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+ HeadercellStyle.FillPattern = FillPattern.SolidForeground;
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+ HeadercellStyle.FillBackgroundColor = NPOI.HSSF.Util.HSSFColor.SkyBlue.Index;
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+
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+ //字体
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+ NPOI.SS.UserModel.IFont headerfont = workbook.CreateFont();
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+ headerfont.Boldweight = (short)FontBoldWeight.Bold;
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+ headerfont.FontHeightInPoints = 12;
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+ HeadercellStyle.SetFont(headerfont);
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+
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+
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+ //用column name 作为列名
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+ int icolIndex = 0;
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+ IRow headerRow = sheet.CreateRow(0);
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+ foreach (string dc in cols)
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+ {
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+ ICell cell = headerRow.CreateCell(icolIndex);
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+ cell.SetCellValue(dc);
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+ cell.CellStyle = HeadercellStyle;
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+ icolIndex++;
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+ }
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+
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+ ICellStyle cellStyle = workbook.CreateCellStyle();
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+
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+ //为避免日期格式被Excel自动替换,所以设定 format 为 『@』 表示一率当成text來看
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+ cellStyle.DataFormat = HSSFDataFormat.GetBuiltinFormat("@");
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+ cellStyle.BorderBottom = NPOI.SS.UserModel.BorderStyle.Thin;
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+ cellStyle.BorderLeft = NPOI.SS.UserModel.BorderStyle.Thin;
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+ cellStyle.BorderRight = NPOI.SS.UserModel.BorderStyle.Thin;
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+ cellStyle.BorderTop = NPOI.SS.UserModel.BorderStyle.Thin;
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+
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+
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+ NPOI.SS.UserModel.IFont cellfont = workbook.CreateFont();
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+ cellfont.Boldweight = (short)FontBoldWeight.Normal;
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+ cellStyle.SetFont(cellfont);
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+ if (list.Count > 0)
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+ {
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+ //建立内容行
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+ int iRowIndex = 0;
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+ #region 修改不用
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+ //foreach (DataRow dr in dt.Rows)
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+ //{
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+ // int iCellIndex = 0;
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+ // IRow irow = sheet.CreateRow(iRowIndex + 1);
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+ // for (int i = 0; i < dt.Columns.Count; i++)
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+ // {
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+ // string strsj = string.Empty;
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+ // if (dr[i] != null)
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+ // {
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+ // strsj = dr[i].ToString();
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+ // }
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+ // ICell cell = irow.CreateCell(iCellIndex);
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+ // cell.SetCellValue(strsj);
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+ // cell.CellStyle = cellStyle;
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+ // iCellIndex++;
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+ // }
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+ // iRowIndex++;
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+ //}
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+ #endregion
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+
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+ int startcount = (n - 1) * sheetpage;
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+ int endcount = n * sheetpage;
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+ if (sheetindexcount == n)
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+ endcount = count;
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+
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+ //for (int x = 0; x < dt.Rows.Count; x++)
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+ for (int x = startcount; x < endcount; x++)
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+ {
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+ int iCellIndex = 0;
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+ IRow irow = sheet.CreateRow(iRowIndex + 1);
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+ for (int i = 0; i < list[iRowIndex].Count; i++)
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+ {
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+ string strsj = string.Empty;
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+
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+ strsj = list[iRowIndex][i];
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+
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+ ICell cell = irow.CreateCell(iCellIndex);
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+ cell.SetCellValue(strsj);
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+ cell.CellStyle = cellStyle;
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+ iCellIndex++;
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+ }
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+ iRowIndex++;
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+ }
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+
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+ //自适应列宽度
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+ for (int i = 0; i < icolIndex; i++)
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+ {
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+ sheet.AutoSizeColumn(i);
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+ }
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+ }
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+ }
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+ using (MemoryStream ms = new MemoryStream())
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+ {
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+ workbook.Write(ms);
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+ HttpContext curContext = HttpContext.Current;
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+ // 设置编码和附件格式
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+ curContext.Response.ContentType = "application/vnd.ms-excel";
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+ curContext.Response.ContentEncoding = Encoding.UTF8;
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+ curContext.Response.Charset = "";
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+ curContext.Response.AppendHeader("Content-Disposition",
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+ "attachment;filename=" + HttpUtility.UrlEncode(Name + ".xls", Encoding.UTF8));
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+ curContext.Response.BinaryWrite(ms.GetBuffer());
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+ workbook = null;
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+ ms.Close();
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+ ms.Dispose();
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+ curContext.Response.End();
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+ }
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+ return "";
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+ }
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+ catch (Exception ex)
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{
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return "导出失败!" + ex.Message;
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}
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}
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+
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/// <summary>
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397
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546
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/// 创建Sheet
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/// </summary>
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