demoddd

代码说明：

  在一个Windows应用程序，模拟发送和接收字符串，该字符串将被编码为一个字节数组，16进制字节数组的形式展示。解码后恢复字符串的字节数组收件人。(In an Windows application, imitate the sending and receiving the string, the string will be encoded into a byte array, display form of 16 hexadecimal byte array. The recipient of an array of bytes after decoding to restore the string.)