public override T ModelDecoding <T>(ref List <byte> cache)
        {
            try {
                //长度解码
                byte[] value = EnDecodeFun.LengthDecoding(ref cache);

                //解码失败(长度不够)
                if (value == null)
                {
                    return(null);
                }

                //否则,调用子类的解码方法(加密、压缩等)
                byte[] value2 = ExDecode(value);

                //解码失败(子类解码出错)
                if (value2 == null)
                {
                    return(null);
                }

                //最后,调用传输模型的解码方法
                return(EnDecodeFun.JsonDecoding <T>(Encoding.UTF8.GetString(value2)));
            }
            catch (Exception ex) {
                //Console.WriteLine(ex.ToString());
                Debugger.Error(ex.ToString());
                return(null);
            }
        }
 public override T MsgDecoding <T>(byte[] msgBytes)
 {
     return(EnDecodeFun.JsonDecoding <T>(msgBytes));
 }