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Response.Clear();
Response.ClearHeaders();
Response.Buffer = false;
Response.ContentType = "application/octet-stream";
Response.ContentEncoding = System.Text.Encoding.UTF8;
String filename = HttpUtility.UrlEncode(取出数据库中下载文件名称, System.Text.Encoding.UTF8); //对中文文件名进行HTML转码
Response.AddHeader("Content-Disposition", "attachment; filename=" + filename + model.FILEEXT);
Response.CacheControl = "public";
Response.BinaryWrite((Byte[])存放二进制的字段值);
Response.Flush();
Response.End();