添加代码运行

app = QtWidgets.QApplication(sys.argv)mainWindow = QtWidgets.QMainWindow()ui = Ui_Dialog() # 对应的 Class名ui.setupUi(mainWindow)mainWindow.resize(624, 511)mainWindow.setFixedSize(624,511)mainWindow.setWindowTitle('hello world')mainWindow.show()sys.exit(app.exec_())