实现从服务器下载文件代码

#region 下载服务器上的文件
    /// <summary>
    /// 下载服务器上的文件
    /// </summary>
    /// <param name="PageResponse">程序中可以设置参数:HttpResponse ht=Page.Response;</param>
    /// <param name="serverPath">服务器上的文件路径</param>
    public void DownloadFile(string serverPath)
    {
        FileStream fs = null;
        try
        {
            fs = File.OpenRead(serverPath);
            byte[] buffer = new byte[1024];
            long count = 1024;
            Response.Buffer = true;
            Response.AddHeader("Connection", "Keep-Alive");
            Response.ContentType = "application/octet-stream";
            Response.AddHeader("Content-Disposition", "attachment;filename=" + Path.GetFileName(serverPath));//下载时要保存的默认文件名
            Response.AddHeader("Content-Length", fs.Length.ToString());
            while (count == 1024)
            {
                count = fs.Read(buffer, 0, 1024);
                Response.BinaryWrite(buffer);
            }
        }
        catch
        {
        }
        finally
        {
            fs.Close();
        }
    }
    #endregion

 

Server.Server.UrlEncode(Path.GetFileName(serverPath))  //文件名乱码处理