确保包含了Qt的相关头文件目录,例如“/usr/include/qt5”或“C:/Qt/Qt5.x.x/5.x/mingw53_32/include”,具体路径取决于您的安装位置。 检查头文件引用:在报错信息中,’QMainWindow’ 文件未找到可能是由于缺少正确的头文件引用。请确保在您的代码中正确包含了 ‘QMainWindow’ 头文件。您可以在代码文件的开头...
fromPySide6importQtWidgets, QtGuitry:fromctypesimportwindll# Only exists on Windows.myappid ='mycompany.myproduct.subproduct.version'windll.shell32.SetCurrentProcessExplicitAppUserModelID(myappid)exceptImportError:passimportsysimportresources# Import the compiled resource file.classMainWindow(QtWidgets.QM...
(QtGui.QMainWindow, form_class): def __init__(self, parent=None): QtGui.QMainWindow.__init__(self, parent) self.setupUi(self) self.pushButton.clicked.connect(self.login) def login(self): user_name=self.name.text() user_password=self.password.text() load_file=open("user.dat","r")...
The QPrinterInfo(1)class returns information about printers available on a machine and has been included in Qt since version 4.4. It is part of Qt's PrintSupport module, so when using qmake as your build system, you need to enable it in your project file with a line like the following:...
C:\Users\LENOVO\Documents\untitled111\widget.h:11: error: QCameraViewfinder: No such file or directory In file included from ..\untitled111\widget.cpp:1: ..\untitled111\widget.h:11:10: fatal error: QCameraViewfinder: No such file or directory 11 | #include <QCameraViewfinder> | ^~~~...