QT编写的串口程序，采用qextserialport-1.2win库，XP上面实现，双向串口收发，测试通过-QT prepared by the serial procedure, the use of qextserialport-1.2win library, XP to achieve the above, two-way serial transceivers, test

1.用QT开发的串口程序。 2.从串口接收数据并应答，所有收发的数据在界面均有显示。 3.以qextserialport库为基础。 4.先编译qextserialport， 再编译测试程序。-1.A serialport testing program implemented in QT. 2.Communicate with serialport, both received and sent data will be displayed on UI. 3.Based on