EPPlus导出excel实例及设置工作簿比例

 public void PrintExcel(List datalist, List zuzhilist, List chuwailist)
 {
    //创建excel
     string filename = DateTime.Now.ToString("yyyyMMddHHmmss") + ".xlsx";
     string newpath = Server.MapPath("/excel/PrintExcel/") + filename;
     FileInfo newfile = new FileInfo(newpath);
     ExcelPackage package = new ExcelPackage(newfile);
     ExcelWorkbook workBook = package.Workbook;
     ExcelWorksheet sheetInOut = package.Workbook.Worksheets.Add("工作簿名称");
     //设置工作簿比例
     sheetInOut.View.ZoomScale = 60;
     //设置初始字体大小、字体类型、排列方式
     sheetInOut.Cells.Style.Font.Size = 10;
     sheetInOut.Cells.Style.Font.Name = "微软雅黑";
     sheetInOut.Cells.Style.VerticalAlignment = ExcelVerticalAlignment.Center;
     sheetInOut.Cells.Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
     //合并单元格，附带填充内容
     void mergeCells(int r1, int c1, int r2, int c2, string value, bool bISFont, ExcelWorksheet sheet,int intFontSize,string strAlignType)
     {
       ExcelRange range = sheet.Cells[r1, c1, r2, c2];
       range.Merge = true;//合并单元格
       //左对齐
       if (strAlignType == "L")range.Style.HorizontalAlignment = ExcelHorizontalAlignment.Left;
       //右对齐
       else if (strAlignType == "R")range.Style.HorizontalAlignment = ExcelHorizontalAlignment.Right;
       else
       {
       range.Style.VerticalAlignment = ExcelVerticalAlignment.Center;//居中
       range.Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
       }
       //单元格赋值 有时候一合并单元格值就没有了 重新赋值一遍
       if (!string.IsNullOrEmpty(value)) range.Value = value;
       if (bISFont) range.Style.Font.Bold = true;//字体加粗   
       if(intFontSize !=0)
         range.Style.Font.Size = intFontSize; //字号 
      else
         range.Style.Font.Size = 10;
     }
      //确定表格 在里面填充数据索引（无论行、列）以0开始 
     Array arrInOut = Array.CreateInstance(typeof(object), datalist.Count + 6, 8);//标题行+数据行 导出列数
     arrInOut.SetValue("**********联络表", 0, 0);//index1-行 index2-列
     arrInOut.SetValue("①*********情报", 1, 0);
     arrInOut.SetValue("※新人**************************************变更", 2, 0);
     arrInOut.SetValue("※员**************************************  ***变更；", 3, 0);
     arrInOut.SetValue("No.", 4, 0);
     arrInOut.SetValue("姓名", 4, 1);
     arrInOut.SetValue("区分", 4, 2);
     arrInOut.SetValue("所属", 4, 3);
     arrInOut.SetValue("入社情报", 4, 4);
     arrInOut.SetValue("入社时间", 5, 4);
     arrInOut.SetValue("备注", 5, 5);
     arrInOut.SetValue("离职情报", 4, 6);
     arrInOut.SetValue("离职时间", 5, 6);
     arrInOut.SetValue("说明", 5, 7);
     
     //填充数据
     int i = 6;
     datalist.ForEach(x =>
     {
       arrInOut.SetValue(x.EmployeeNo, i, 0);
       arrInOut.SetValue(x.UserName, i, 1);
       arrInOut.SetValue(getrutuidhequfen(x.InOutType), i, 2);
       arrInOut.SetValue(amService.GetFullDeptNameA(x.DepartmentID.ToString()), i, 3);
       if(x.InOutType == (int)OutType.In)
       {
           arrInOut.SetValue(x.InOutDate.ToShortDateString(), i, 4);
           arrInOut.SetValue(x.Memo, i, 5);
       }
       else if (x.InOutType == (int)OutType.Out)
       {
           arrInOut.SetValue(x.InOutDate.ToShortDateString(), i, 6);
           arrInOut.SetValue(x.Memo, i, 7);
       }
       i++;
    });
     //合并单元格 合并的是EXCEL中的表格 索引是从1开始
    mergeCells(1, 1, 1, 8, "", true, sheetInOut, 18, "");
    mergeCells(2, 1, 2, 8, "", true, sheetInOut, 12, "L");
    mergeCells(3, 1, 3, 8, "", false, sheetInOut, 9, "R");
    mergeCells(4, 1, 4, 8, "", false, sheetInOut, 9, "R");
    mergeCells(5, 1, 6, 1, "", false, sheetInOut, 0, "");
    mergeCells(5, 2, 6, 2, "", false, sheetInOut, 0, "");
    mergeCells(5, 3, 6, 3, "", false, sheetInOut, 0, "");
    mergeCells(5, 4, 6, 4, "", false, sheetInOut, 0, "");
    mergeCells(5, 5, 5, 6, "", false, sheetInOut, 0, "");
    mergeCells(5, 7, 5, 8, "", false, sheetInOut, 0, "");
    try
    {
        ExcelRange rangeInOut = sheetInOut.Cells[1, 1, datalist.Count + 6, 8];
        rangeInOut.Value = arrInOut;
        for (int g = 1; g <= datalist.Count; g++){sheetInOut.Column(g).Width = 20;}
        //“所属”以及“备注”、”说明“列设置宽35
        sheetInOut.Cells[7, 4, datalist.Count + 6, 4].AutoFitColumns(35);
        sheetInOut.Cells[7, 6, datalist.Count + 6, 6].AutoFitColumns(35);
        sheetInOut.Cells[7, 8, datalist.Count + 6, 8].AutoFitColumns(35);   
        //弹出提示是否保存
        MemoryStream ms = new MemoryStream();
        package.SaveAs(ms);
        Response.ContentType = "application/vnd.ms-excel";
        string fileName = HttpUtility.UrlEncode(filename);
        Response.AddHeader("Content-Disposition", string.Format("attachment;filename={0}", fileName));
        Response.Buffer = true;
        Response.Clear();
        Response.BinaryWrite(ms.GetBuffer());
        HttpContext.Current.ApplicationInstance.CompleteRequest();

        //这种也可以设置工作簿的比例，不过发布到IIS上出错，本地可以Mark下          
        package.SaveAs(newfile);//保存文件
        //实例化Workbook类，加载Excel测试文档
        Spire.Xls.Workbook workbook = new Spire.Xls.Workbook();
        workbook.LoadFromFile(newfile.FullName);
        workbook.ConverterSetting.SheetFitToPage = true;
        //获取第一个工作表
        Spire.Xls.Worksheet sheetSpire = workbook.Worksheets[0];
        //设置视图缩放比例
        sheetSpire.Zoom = 60;
        //保存并打开文档
        string strExcel = newfile.DirectoryName + "/" + fileName.Substring(0, fileName.LastIndexOf('.')) + "_Result.xlsx";
        workbook.SaveToFile(strExcel, ExcelVersion.Version2010);
        System.Diagnostics.Process.Start(strExcel);
    }
    catch(Exception exp)
    {
       throw new Exception(exp.Message);
    }
    
}

导出结果

附：

//表单整体颜色
sheetInOut.Cells.Style.Fill.PatternType = ExcelFillStyle.Solid;
sheetInOut.Cells.Style.Fill.BackgroundColor.SetColor(Color.White); 
//自动换行
sheet.Cells[a,b].Style.WrapText= true;
//单元格自动适应大小
sheet.Cells.Style.ShrinkToFit = true;
//设置边框
void setborder(ExcelRange r)
{
   r.Style.Border.Left.Style = ExcelBorderStyle.Thin;
   r.Style.Border.Right.Style = ExcelBorderStyle.Thin;
   r.Style.Border.Top.Style = ExcelBorderStyle.Thin;
   r.Style.Border.Bottom.Style = ExcelBorderStyle.Thin;
}
//设置背景颜色-黄色 设置边框及其颜色
void BgColorY(ExcelRange r)
{
   r.Style.Fill.BackgroundColor.SetColor(Color.FromArgb(255, 255, 0));
   r.Style.Border.BorderAround(ExcelBorderStyle.Thin, Color.FromArgb(255, 255, 0));
}
//设置日期格式
sheetInOut.Column(1).Style.Numberformat.Format = "DD/MM/YY";
sheetInOut.Cells[1, 1].Value = DataTime.Now;