说明：  C++ Qt5范例开发大全，本书是各种Qt案例开发的教学。知识点分解详细易懂，实例众多，是Qt设计学习不可多得的教材之一。
(C + + Qt5 example development, this book is a variety of QT case development teaching. Knowledge points decomposition is detailed and easy to understand, with many examples, which is one of the rare teaching materials for QT design learning.)