"Qt实验教程：解决表格记录未增加问题及系统架构、特性与资源学习"。

"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"