WorkbookDesigner mvc里面返回file

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.Mvc;

namespace test.Controllers

{    

using System.Data;    

using System.IO;    

using Aspose.Cells;

    public class ExcelController : Controller    

{        

public FileResult excels()        

{            

DataTable dt = new DataTable();            

dt.TableName = "table1";            

dt.Columns.Add(new DataColumn("ROW1", typeof(string)));            

dt.Columns.Add(new DataColumn("ROW12", typeof(string)));            

DataRow dr;            

for (int i = 0; i <= 10; i++)            

{                

dr = dt.NewRow();                

dr["ROW1"] = Guid.NewGuid().ToString();                

dr["ROW12"] = Guid.NewGuid().ToString();                

dt.Rows.Add(dr);            

}

  WorkbookDesigner designer = new WorkbookDesigner();            

string path = Server.MapPath("/Templete/DDD.xls");            

designer.Workbook.Open(path);            

designer.SetDataSource(dt);            

designer.Process();

            //将文件存在服务器端，名称是123.xls            

designer.Save(Server.MapPath("/Templete/123.xls"), FileFormatType.Default);

            //将服务器端的文件/Templete/123.xls下载到客户端            

return File(Server.MapPath("/Templete/123.xls"), "application/ms-excel", "dsds.xls");

            //将流文件写到客户端流的形式写到客户端，名称是_report.xls           

//designer.Save("_report.xls", SaveType.OpenInExcel, FileFormatType.Excel2003, System.Web.HttpContext.Current.Response);           

// Response.Flush();           

//Response.Close();          

//designer = null;           

// Response.End();           

// return View("getexcel");

        }