Class Response

src/main/java/org/example/tlv.java:112–172

    }

    public static class Response {
        private byte type;          // 1字节类型
        private int length;         // 4字节长度
        private byte status;        // 1字节状态码
        private byte[] data;        // 数据部分

        public Response(byte type, byte status, byte[] data) {
            this.type = type;
            this.status = status;
            this.data = data;
            this.length = (data != null ? data.length : 0) + 1; // +1是状态码的长度
        }

        // 编码响应包（带加密）
        public byte[] encode() {
            // 加密数据
            byte[] encryptedData = xorProcess(data);

            ByteBuffer buffer = ByteBuffer.allocate(MAGIC_PREFIX.length + 5 + length);
            buffer.put(MAGIC_PREFIX);
            buffer.put(type);
            buffer.putInt(length);
            buffer.put(status);
            if (encryptedData != null && encryptedData.length > 0) {
                buffer.put(encryptedData);
            }
            return buffer.array();
        }

        // 解码响应包（带解密）
        public static Response decode(byte[] rawData) {
            if (!validate(rawData)) {
                return null;
            }
            ByteBuffer buffer = ByteBuffer.wrap(rawData);
            buffer.position(MAGIC_PREFIX.length);
            byte type = buffer.get();
            int length = buffer.getInt();
            byte status = buffer.get();

            // 读取并解密数据
            byte[] encryptedData = null;
            if (length > 1) {  // length包含status的1字节
                encryptedData = new byte[length - 1];
                buffer.get(encryptedData);
                encryptedData = xorProcess(encryptedData);
            }

            return new Response(type, status, encryptedData);
        }

        // 获取原始数据
        public byte[] getData() {
            return data;
        }

        // 获取解密后的字符串数据
        public String getDataAsString() {