python PyQt5/Pyside2 按钮右击菜单实例代码

具体代码如下所述：importsysfromPySide2.QtGuiimport*fromPySide2.QtCoreimport*fromPySide2.QtWidgetsimport*classMa

具体代码如下所述：

import sys
from PySide2.QtGui import *
from PySide2.QtCore import *
from PySide2.QtWidgets import *
class MainForm(QMainWindow):
 def __init__(self, parent=None):
 super(MainForm, self).__init__(parent)
 # create button
 self.button = QPushButton("test button", self) 
 self.button.resize(100, 30)
 # set button context menu policy
 self.button.setContextMenuPolicy(Qt.CustomContextMenu)
 self.button.customContextMenuRequested.connect(self.on_context_menu)
 # create context menu
 self.popMenu = QMenu(self)
 self.popMenu.addAction(QAction('test0', self))
 self.popMenu.addAction(QAction('test1', self))
 self.popMenu.addSeparator()
 self.popMenu.addAction(QAction('test2', self))
 def on_context_menu(self, point):
 # show context menu
 self.popMenu.exec_(self.button.mapToGlobal(point))
def main():
 app = QApplication(sys.argv)
 form = MainForm()
 form.show()
 app.exec_()
if __name__ == '__main__':
 main()

 总结

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