public class Student{public int ID { get; set; }public string Name { get; set; }public string Sex { get; set; }public int Age { get; set; }public string Email { get; set; }}

public class StaticDataOfStudent{public static List<Student> ListStudent{get {return new List<Student>() {new Student(){ID=1,Name="曹操",Sex="男",Email="caocao@163.com",Age=24},new Student(){ID=2,Name="李易峰",Sex="女",Email="lilingjie@sina.com.cn",Age=24},new Student(){ID=3,Name="张三丰",Sex="男",Email="zhangsanfeng@qq.com",Age=224},new Student(){ID=4,Name="孙权",Sex="男",Email="sunquan@163.com",Age=1224},};}}}

  /// <summary>/// Excel导出帮助类/// </summary>public class ExcelExportHelper{public static string ExcelContentType{get {return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";}}/// <summary>/// List转DataTable/// </summary>/// <typeparam name="T"></typeparam>/// <param name="data"></param>/// <returns></returns>public static DataTable ListToDataTable<T>(List<T> data){PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(typeof(T));DataTable dataTable = new DataTable();for (int i = 0; i < properties.Count; i++){PropertyDescriptor property = properties[i];  dataTable.Columns.Add(property.Name, Nullable.GetUnderlyingType(property.PropertyType) ?? property.PropertyType);  }object[] values = new object[properties.Count];foreach (T item in data){for (int i = 0; i < values.Length; i++){values[i] = properties[i].GetValue(item);}dataTable.Rows.Add(values);}return dataTable;  }/// <summary>/// 导出Excel/// </summary>/// <param name="dataTable">数据源</param>/// <param name="heading">工作簿Worksheet</param>/// <param name="showSrNo">//是否显示行编号</param>/// <param name="columnsToTake">要导出的列</param>/// <returns></returns>public static byte[] ExportExcel(DataTable dataTable, string heading = "", bool showSrNo = false, params string[] columnsToTake){byte[] result = null;using(ExcelPackage package=new ExcelPackage()){ExcelWorksheet workSheet = package.Workbook.Worksheets.Add(string.Format("{0}Data", heading));int startRowFrom = string.IsNullOrEmpty(heading) ? 1 : 3;  //开始的行//是否显示行编号if (showSrNo){DataColumn dataColumn = dataTable.Columns.Add("#", typeof(int));dataColumn.SetOrdinal(0);int index = 1;foreach (DataRow item in dataTable.Rows){item[0] = index;index++;}}//Add Content Into the Excel FileworkSheet.Cells["A" + startRowFrom].LoadFromDataTable(dataTable, true);// autofit width of cells with small content  int columnIndex = 1;foreach (DataColumn item in dataTable.Columns){ExcelRange columnCells = workSheet.Cells[workSheet.Dimension.Start.Row, columnIndex, workSheet.Dimension.End.Row, columnIndex];  int maxLength = columnCells.Max(cell => cell.Value.ToString().Count());  if (maxLength < 150)  {  workSheet.Column(columnIndex).AutoFit();  }  columnIndex++;  }// format header - bold, yellow on black  using (ExcelRange r = workSheet.Cells[startRowFrom, 1, startRowFrom, dataTable.Columns.Count]){r.Style.Font.Color.SetColor(System.Drawing.Color.White);r.Style.Font.Bold = true;r.Style.Fill.PatternType = OfficeOpenXml.Style.ExcelFillStyle.Solid;r.Style.Fill.BackgroundColor.SetColor(System.Drawing.ColorTranslator.FromHtml("#1fb5ad"));}// format cells - add borders  using (ExcelRange r = workSheet.Cells[startRowFrom + 1, 1, startRowFrom + dataTable.Rows.Count, dataTable.Columns.Count]){r.Style.Border.Top.Style = ExcelBorderStyle.Thin;r.Style.Border.Bottom.Style = ExcelBorderStyle.Thin;r.Style.Border.Left.Style = ExcelBorderStyle.Thin;r.Style.Border.Right.Style = ExcelBorderStyle.Thin;r.Style.Border.Top.Color.SetColor(System.Drawing.Color.Black);r.Style.Border.Bottom.Color.SetColor(System.Drawing.Color.Black);r.Style.Border.Left.Color.SetColor(System.Drawing.Color.Black);r.Style.Border.Right.Color.SetColor(System.Drawing.Color.Black);}// removed ignored columns  for (int i = dataTable.Columns.Count - 1; i >= 0; i--){if (i == 0 && showSrNo){continue;}if (!columnsToTake.Contains(dataTable.Columns[i].ColumnName)){workSheet.DeleteColumn(i + 1);}}if (!String.IsNullOrEmpty(heading)){workSheet.Cells["A1"].Value = heading;workSheet.Cells["A1"].Style.Font.Size = 20;workSheet.InsertColumn(1, 1);workSheet.InsertRow(1, 1);workSheet.Column(1).Width = 5;}result = package.GetAsByteArray();  }return result;}/// <summary>/// 导出Excel/// </summary>/// <typeparam name="T"></typeparam>/// <param name="data"></param>/// <param name="heading"></param>/// <param name="isShowSlNo"></param>/// <param name="ColumnsToTake"></param>/// <returns></returns>public static byte[] ExportExcel<T>(List<T> data, string heading = "", bool isShowSlNo = false, params string[] ColumnsToTake){return ExportExcel(ListToDataTable<T>(data), heading, isShowSlNo, ColumnsToTake);  }}

public class StudentViewModel{public List<Student> ListStudent{get {return StaticDataOfStudent.ListStudent;}}}

 public class HomeController : Controller{// GET: Homepublic ActionResult Index(){StudentViewModel model = new StudentViewModel();return View(model);}public FileContentResult ExportToExcel(){List<Student> lstStudent = StaticDataOfStudent.ListStudent;string[] columns = { "ID", "Name","Age"};byte[] filecontent = ExcelExportHelper.ExportExcel(lstStudent,"", false, columns);return File(filecontent, ExcelExportHelper.ExcelContentType, "MyStudent.xlsx");  }}

@model ExportToExcel.Models.StudentViewModel
@{ViewBag.Title = "Excel文件导出";
}
<div class="panel"><div class="panel-heading"><a href="@Url.Action("ExportToExcel")" class="btn btn-primary">Export</a></div><div class="panel-body"><table class="table table-striped table-bordered"><thead><tr><th>ID</th><th>Name</th><th>Sex</th><th>Age</th><th>Email</th></tr></thead><tbody>@foreach (var item in Model.ListStudent){<tr><td>@item.ID</td><td>@item.Name</td><td>@item.Sex</td><td>@item.Age</td><td>@item.Email</td></tr>}</tbody></table></div>
</div>