"Wuhan Donghu University UI Interface Design Experiment - Introduction to QT Experiment Tutorial
When we run the program, the effect is as follows:
We found that there are no added records in the table, what's going on?
We close the program, and run it again, the effect is as follows: Wuhan Donghu University UI Interface Design Experiment
Introduction to QT
Introduction to QT
Graphical User Interface (GUI) refers to the computer operating user interface displayed in a graphical manner, as opposed to the early operating systems like DOS, which used Command Line User Interface (CUI). Components of the GUI include desktop, windows, menus, buttons, icons, etc.
QT is a cross-platform framework for C++ application and UI development. QT4 has over 500 classes and over 9000 functions. Using QT, one can quickly develop the desired application.
QT's Role in Product Development
Building desktop environments
Providing a visual and user-friendly interface for applications
Building complex applications using QT's built-in functions
Products built using QT: http://www.qtsoftware.com/qt-in-use
QT's Features and Advantages
Ease of access, personal applications are completely free
Comprehensive, high-quality application framework
Good cross-platform capability, one-time effort
Support for multiple languages
System Architecture with QT
Resources Available for Learning QT
NO1: QT Reference Documentation, including class introductions, function descriptions, source code and explanations for built-in examples, and function lookup"