柠檬铺

FileInfo Fi = new FileInfo(filePath);　　if (Fi.Exists)
　　{
　　FileStream fs = new FileStream(filePath, FileMode.Open);
　　byte[] bytes = new byte[(int)fs.Length];
　　fs.Read(bytes, 0, bytes.Length);
　　fs.Close();
　　Response.ContentType = "application/octet-stream";
　　Response.AddHeader("Content-Disposition", "attachment; filename=1.excel");
　　Response.BinaryWrite(bytes);
　　Response.Flush();
　　Response.End();
　　}
　　string path = Server.MapPath("~/") + "";
　　Response.AppendHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(obj.Name, System.Text.Encoding.GetEncoding("utf-8")));
　　Response.ContentType = "application/octet-stream";
　　Response.WriteFile("" + path + "");
　　Response.End();
　　if (fileUpload.HasFile)
　　{
　　string savePath = Server.MapPath("~/upload/");
　　if(!System.IO.Directory.Exists(savePath))
　　{
　　System.IO.Directory.CreateDirectory(savePath);
　　}
　　savePath = savePath + "\\" + fileUpload.FileName;
　　fileUpload.SaveAs(savePath);
　　}