针对你提出的“nameerror: name 'qmainwindow' is not defined”问题,我们可以按照以下步骤进行排查和解决: 确认QMainWindow的来源: QMainWindow是PyQt或PySide库中的一个类,用于创建主窗口。因此,首先确保你的项目中已经安装了PyQt或PySide库。 检查是否已正确导入QMainWindow: 在使用QMainWindow之前,你需要在代码中正...
Signals, Slots and Events: NameError: name 'QMainWindow' is not defined by Martin Fitzpatrick Last updated 17 September 2024 PyQt5 FAQ Nigel_Trewartha | 2020-05-07 15:08:46 UTC | #1 I am using WIngIDE Pro version 7.2.2.2 on a WIn 10 64bit Pro. and am using the code under the ...
"ifname== 'main':"代码段顶格写 if__name__=='__main__':app=QtWidgets.QApplication(sys.argv)MainWindow=QtWidgets.QMainWindow()# 创建窗体对象ui=Ui_MainWindow()ui.setupUi(MainWindow)MainWindow.show()sys.exit(app.exec_())
把倒数第三行QtWidgets.去掉。末尾添加sus.exit(app.exec_())
mainWindow=QtWidgets.QMainWindow() ui=Ui_MainWindow() ui.setupUi(mainWindow) mainWindow.show() sys.exit(app.exec_()) 但是这样写也是可以的,但今天下午一开始写错了,写成了 from PyQt5 import * fromPyQt5.Qt import *if__name__ =='__main__': ...
示例2: QMainWindow ▲点赞 7▼ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) {this->setWindowIcon(QIcon(":res/123.png")); mdi =newQMdiArea(this);this->setCentralWidget(mdi); QDockWidget* dock =newQDockWidget(tr("Script log"),this); ...
widgettype = config['widget']## Make the first tab if one isn't defined already and we have other sections in the configifnotinsectionandhassectionsandnotwidgettype =="Section": name = formconfig['label'] tabwidget, outlayout = make_tab(outwidget, name) ...
{ PlainText, RichText, AutoText }; // Documented in qmainwindow.cpp enum Dock { DockUnmanaged, DockTornOff, DockTop, DockBottom, DockRight, DockLeft, DockMinimized #ifndef QT_NO_COMPAT , Unmanaged = DockUnmanaged, TornOff = DockTornOff, Top = DockTop, Bottom = DockBottom, Right = ...
window = QMainWindow() window.setCentralWidget(list_widget) window.show() sys.exit(app.exec_()) 在上面的代码中,我首先创建了一个QListWidget组件,然后循环添加了一些文本作为QListWidgetItem项目。最后,我在QMainWindow中显示了该列表控件,以显示多行文本。
mainWindow=QtWidgets.QMainWindow() ui=Ui_MainWindow() ui.setupUi(mainWindow) mainWindow.show() sys.exit(app.exec_()) 但是这样写也是可以的,但今天下午一开始写错了,写成了 from PyQt5 import * fromPyQt5.Qt import *if__name__ =='__main__': ...