文章目录效果图的完整代码
效果图表
完整代码importsysfrompyqt5. qtwidgetsimportqpushbutton，QVBoxLayout，q构件，QApplication，qainwindowclassqvboxlayoutdemo () 150 )集窗口标题self.set window title (qvboxlayoutdemo ) (button1=QPushButton ) (按钮1 ) (button2=QPushButton ) ) bbbb t.add构件(button1) layout.add构件(button2) layout.add构件(button3) main fer mainframe.set layout (layout )