文件下载

参数说明AbsPath:文件绝对路径FileName:文件原名public static void DownloadFile(string AbsPath,string FileName){FileStream fs = new FileStream(AbsPath, FileMode.Open, FileAccess.Read);BinaryReader r = new BinaryReader(fs);System.Web.HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment; filename="+FileName);// System.Web.HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;FileName");System.Web.HttpContext.Current.Response.Charset = "GB2312";System.Web.HttpContext.Current.Response.ContentType = "application/octet-stream";System.Web.HttpContext.Current.Response.BinaryWrite(r.ReadBytes(Convert.ToInt32(fs.Length)));System.Web.HttpContext.Current.Response.Flush() ;}