Introduction - If you have any usage issues, please Google them yourself
Basic QT program development on Linux on QT
Steps to develop a Qt application:
1. Declare the required window components first
2. Set their attributes
3, and then add these window widgets to the layout
4, according to the Qt signal / slot principle, create and connect the signal / slot used, through the communication between the window components can manage the interactive behavior of the user
5. Compile, link and run the program