Java串口编程：串口数据的发送与监听读取
　　本人在近期的开发工作中遇到向串口发送设备控制指令的需求，遂对串口编程进行了略微深入的钻研，在此对自己的一些心得和经验进行总结，以供大家参考与交流。(Java serial programming: serial data transmission and monitoring reading
In recent development, I encountered the need to send control instructions to the serial port, so I did a little in-depth research on the serial port programming. Here I summarize my own experience and experience for your reference and communication.)