from PyQt5 import QtWidgets app = QtWidgets.QApplication([]) window = QtWidgets.QWidget() window.setWindowTitle('Hello, PyQt5!') window.show() app.exec_() 如果这段代码在你的环境中运行没有错误,那么说明 PyQt5 已经正确安装,并且你的导入语句也是正确的。 查看相关文档或搜索类似问题的解决方...
import sys app=QApplication(sys.argv) # QWidget控件的父子关系() window=Window() # window=QWidget() window.show() sys.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(...
fromPyQt5importQtCore,QtGui,QtWidgetsimport sysclassUi_MainWindow(object):defsetupUi(self,MainWindow):MainWindow.setObjectName("MainWindow")MainWindow.resize(500,370)MainWindow.setIconSize(QtCore.QSize(24,24))self.centralwidget=QtWidgets.QWidget(MainWindow)self.centralwidget.setObjectName("centralwidg...
一.系统偏好设置修改 1.打开系统偏好设置,底部有一个Hosts的快捷入口 2.输入ip和hostname后,回车确定,勾选改host即可 二.终端命令行修改(亲测可行) sudo vi /etc/hosts 1.输入本机密码后,打开hosts文件,键盘输入 i (插入),修改hosts文件后,按 esc 键退出,再按shift+:键,再输入w和q,保存退出 2.不保存退...
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。
}returnQVariant(); } 开发者ID:KDE,项目名称:trojita,代码行数:26,代码来源:MessageComposer.cpp 示例3: KPageDialog ▲点赞 4▼ KoDocumentInfoDlg::KoDocumentInfoDlg(QWidget* parent, KoDocumentInfo* docInfo) : KPageDialog(parent) , d(newKoDocumentInfoDlgPrivate) ...
# 需要导入模块: from PyQt4.QtGui import QToolButton [as 别名]# 或者: from PyQt4.QtGui.QToolButton importsetObjectName[as 别名]defbuildfromauto(formconfig):widgetsconfig = formconfig['widgets'] outlayout = QFormLayout() outwidget = QWidget() ...
Qt::DefaultContextMenu 1 the widget's QWidget::contextMenuEvent() handler is called. Qt::ActionsContextMenu 2 the widget displays its QWidget::actions() as context menu. Qt::CustomContextMenu 3 the widget emits the QWidget::customContextMenuRequested() signal. enum Qt::Corner This enum ty...
QString fileName; File::Type type = File::Unknown;if(dialog.exec()) { fileName = dialog.selectedFiles()[0];for(inti =0; i <50; i++) {if(dialog.selectedNameFilter() == filterByType(File::Type(i))) { type = File::Type(i); ...