一个串口通信的类，已封装好了，串口的打开，关闭，读写，只需把此类加入到工程，在需要的地方引用此类，就可以进入串口通信了。-A type of serial communication has been packaged well, the serial port open, closed, read and write, you just need to join such projects, where needed to quote such, will be able to enter the serial communication.