用一般处理程序写了个导出excel，结果导不出来，请问是什么问题？

Question

public void DownloadExcel(HttpContext context )
    {
        string fileName = "值班人员信息表模板.xlsx";//客户端保存的文件名 
        System.Web.HttpServerUtility server = System.Web.HttpContext.Current.Server;
        string filePath = server.MapPath(@"~/template/muban.xlsx");//路径

        System.IO.FileInfo fileInfo = new System.IO.FileInfo(filePath);
        context.Response.Clear();
        context.Response.ClearContent();
        context.Response.ClearHeaders();
        context.Response.AddHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(fileName));
        context.Response.AddHeader("Content-Length", fileInfo.Length.ToString());
        context.Response.AddHeader("Content-Transfer-Encoding", "binary");
        context.Response.ContentType = "application/ms-excel";
        context.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
        context.Response.WriteFile(fileInfo.FullName);
        context.Response.Flush();
        context.Response.End();

    }

Answer 1

导出的流就是excel文件。你另存为，后缀名修改为 xlsx 看一下