下载

#region 下载附件    private void downLoadFile(string fileName)    {        try        {            fileName = fileName.Split(';')[0];            string path = Server.MapPath(fileName);            FileInfo fi = new FileInfo(path);            if (fi.Exists)            {                Response.Clear();                Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlEncode(fi.Name));                Response.AddHeader("Content-Length", fi.Length.ToString());                Response.ContentType = "application/octet-stream";                Response.Filter.Close();                Response.WriteFile(fi.FullName);                Response.End();            }        }        catch (Exception ex)        {            throw ex;        }    }    private void DownLoad(string fileName)    {        try        {            fileName = fileName.Split(';')[0];            string filePath = Server.MapPath(fileName);            //以字符流的形式下载文件            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";            //通知浏览器下载文件而不是打开            Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));            Response.BinaryWrite(bytes);            Response.Flush();            Response.End();        }        catch (Exception ex)        {            throw ex;        }    }    #endregion