//利用“BinaryWriter”對byte[]進行保存

                        //利用“BinaryWriter”對byte[]進行保存

                        string strUrl = System.Web.HttpContext.Current.Server.MapPath(strUpPath + @"/" + FileName + ext);

                        System.IO.FileStream fs = new System.IO.FileStream(strUrl, System.IO.FileMode.Create, System.IO.FileAccess.Write);
                        System.IO.BinaryWriter bw = new System.IO.BinaryWriter(fs);
                        bw.Write(bytes);
                        bw.Flush();
                        fs.Flush();
                        bw.Close();
                        fs.Close();