这个是基于win32函数来自己定义累，然后进行串口数据的交互，但是这个源码只供与学习，如果想更深的了解需要在类中加自己定义的函数。-This is based on to define your own tired win32 function, and then make a serial port data interaction, but only for the source code and learning, if want to deeper understanding of th