static void LookIntoSerialization()
        {
            //1
            MemberInfo[] members = FormatterServices.GetSerializableMembers(typeof(SClass));
            //2
            SClass sc = new SClass(1, 1);

            object[] values = FormatterServices.GetObjectData(sc, members);
            //3 将对象的程序集表示序列化
            //4 将字段值序列化
        }
        //使用attribute控制格式化流程
        static void ControlSerializationByAttribute()
        {
            BinaryFormatter bf = new BinaryFormatter();
            SClass          sc = new SClass(1, 1);
            MemoryStream    ms = new MemoryStream();

            bf.Serialize(ms, sc);

            sc          = null;
            ms.Position = 0;
            sc          = (SClass)bf.Deserialize(ms);
        }