/// <summary> /// 下载文件方法 /// </summary> public void DownFile() { //获取文件值 string filename = Request.QueryString["value"]; //获取文件类型 Response.ContentType = "application/octet-stream"; //实现下载+文件名 Response.AddHeader("Content-Disposition", "attachment; filename=" + filename); mongoDBHelper.DownloadToStreamByName(filename, Response.OutputStream); Response.End(); }