数据序列为二进制文件

        private static byte[] CompressionObject(object DataOriginal)
        {
            if (DataOriginal == null) return null;
            BinaryFormatter bFormatter = new BinaryFormatter();
            MemoryStream mStream = new MemoryStream();
            bFormatter.Serialize(mStream, DataOriginal);
            byte[] bytes = mStream.ToArray();
            MemoryStream oStream = new MemoryStream();
            DeflateStream zipStream = new DeflateStream(oStream, CompressionMode.Compress);
            zipStream.Write(bytes, 0, bytes.Length);
            zipStream.Flush();
            zipStream.Close();
            return oStream.ToArray();
        }
        private static object DecompressionObject(byte[] bytes)
        {
            if (bytes == null) return null;
            MemoryStream mStream = new MemoryStream(bytes);
            mStream.Seek(0, SeekOrigin.Begin);
            DeflateStream unZipStream = new DeflateStream(mStream, CompressionMode.Decompress, true);
            object dsResult = null;
            BinaryFormatter bFormatter = new BinaryFormatter();
            dsResult = (object)bFormatter.Deserialize(unZipStream);
            return dsResult;
        }
        /// <summary> 
        /// 序列化对象，将对象写入文件，然后还原. 
        /// </summary> 
        public static void SerializerObjToFile(string serializerFileName, object obj)
        {

            byte[] bs = CompressionObject(obj);

            string path = HraUtility.EntityRowMapper.GetFilePath("admin/InitDataBase/Sql/SerializerFile/" + serializerFileName + ".shape");
            //将数组写入文件 
            Stream writer = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Write);
            writer.Write(bs, 0, bs.Length);
            writer.Flush();
            writer.Close();



        }
        public static object DeSerializerFileToObj(string relativePath)
        {
            //"admin/InitDataBase/Sql/SerializerFile/" + serializerFileName + ".shape"
            string path = relativePath;// HraUtility.EntityRowMapper.GetFilePath(relativePath);
            //读取文件，先写入数组，再从数组转换为对象.Easy! 
            FileStream fs = File.Open(path, FileMode.Open);
            byte[] bss = new byte[fs.Length];
            int i = fs.Read(bss, 0, (int)fs.Length);
            object o = DecompressionObject(bss); //还原，ok 
            return o;
        }