通过hidapi库建立usb通信，解压后查看README.txt，里面介绍了三种Windows、Linux、MacOS三种平台下的编译方式(USB communication is set up through the hidapi library, and README.txt is viewed after unzip, and the compiling methods under the three platforms of three kinds of Windows, Linux a

QT通过hidapi库建立usb通信，可以自动查询到VID和PID(USB communication is set up through the hidapi library, and the compiling methods under the three platforms of three kinds of Windows, Linux and MacOS are introduced.)