Qt编写串口通信程序全程图文讲解，首先说明我们的编程环境是windows xp下，在Qt Creator中进行，如果在Linux下或直接用源码编写，程序稍有不同，请自己改动-Qt graphics throughout the preparation of serial communication program to explain, first, our programming environment is under windows xp, carried out in the Qt Creator, if the Linux source code under or directly written in a slightly different procedure, please change your