效果图:

@*前台代码*@
@{
ViewBag.Title = "Index";
}
<a href="~/home/toexcel">导出Excel表</a>
//后台代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using NPOI.HSSF.UserModel;
using NPOI.SS.UserModel;
using System.IO;
namespace MvcApplication1.Controllers
{
public class HomeController : Controller
{
//
// GET: /Home/
public ActionResult Index()
{
return View();
}
/// <summary>
/// 表头的样式
/// </summary>
/// <param name="workbook"></param>
/// <param name="sheet"></p