出现NameError: name 'qtwidgets' is not defined 错误通常意味着 Python 解释器在尝试访问一个名为 qtwidgets 的变量或模块时未能找到它。根据你提供的问题和提示,这里有几个可能的解决方案和检查步骤: 确认qtwidgets模块是否已正确导入: 在PyQt5 中,QtWidgets 是一个模块,而不是一个变量。因此,你应该确保你的...
import shutil 废了相当长的时间,原来是应该写成 QtWidgets.QApplication(sys.argv)而不是 QApplication(sys.argv)否则就会出现下图: ###主函数入口 ###if__name__ =='__main__': app=QtWidgets.QApplication(sys.argv) mainWindow=QtWidgets.QMainWindow() ui=Ui_MainWindow() ui.setupUi(mainWindow) mai...
把倒数第三行QtWidgets.去掉。末尾添加sus.exit(app.exec_())
Error NameError: name 'argv' is not defined 源代码 import sys from PyQt5.QtWidgetsimport QApplication, QWidget if __name__ =='__main__': # 创建QApplication类的实例 app = QApplication(sys, argv) # 创建一个窗口 w = QWidget() # 设置窗口尺寸 w.resize(400,200) # 移动窗口 w.move(...
import plugin File "/home/pikey/.local/share/RadareOrg/Cutter/plugins/python/cutter_jupyter/plugin.py", line 3, in <module> from PySide2.QtWidgets import QAction File "/home/pikey/.local/lib/python3.8/site-packages/PySide2/__init__.py", line 107, in <module> _setupQtDirectories() ...
from core.main import Initialize,QtGui File "/usr/share/WiFi-Pumpkin/core/main.py", line 28, in from core.widgets.tabmodels import ( File "/usr/share/WiFi-Pumpkin/core/widgets/tabmodels.py", line 10, in from core.widgets.pluginssettings import PumpkinProxySettings ...
This is because you don't have an import for QMainWindow. You can either import QMainWindow itself or you can import QtWidgets and access QMainWindow through there. python class MainWindow(QtWidgets.QMainWindow): or python from PyQt5.QtWidgets import QApplication, QMainWindow Will update ...
self.connect(quit, QtCore.SIGNAL('clicked()'), qApp,QtCore.SLOTNameError: name 'qApp' is not defined,程序员大本营,技术文章内容聚合第一站。
app=QtWidgets.QApplication(sys.argv) 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__': ...
backends/qt_editor/formlayout.py", line 56, in <module> from matplotlib.backends.qt_compat import QtGui, QtWidgets, QtCore File "/opt/conda/lib/python3.6/site-packages/matplotlib/backends/qt_compat.py", line 137, in <module> from PyQt5 import QtCore, QtGui, QtWidgets ImportError: libGL...