PyQt5 QCalendarWidget – 获取有效 ID

在本文中，我们将看到如何获取 QCalendarWidget 的有效 ID，有效 id 是日历的窗口系统标识符。有效标识符是指日历的原生父窗口系统标识符（ID）。
注意 1：建议您不要存储此值，因为它可能会在运行时更改。

In order to do this we will use effectiveWinId method with the QCalendarWidget object.
Syntax : calendar.effectiveWinId()
Argument : It takes no argument
Return : It return native calendar ID

编程需要懂一点英语

注2：该方法应在主窗口打开后调用，即在主窗口类之外
下面是实现

Python3

# importing libraries
from PyQt5.QtWidgets import *
from PyQt5 import QtCore, QtGui
from PyQt5.QtGui import *
from PyQt5.QtCore import *
import sys
 
 
class Window(QMainWindow):
 
    def __init__(self):
        super().__init__()
 
        # setting title
        self.setWindowTitle("Python ")
 
        # setting geometry
        self.setGeometry(100, 100, 650, 400)
 
        # calling method
        self.UiComponents()
 
        # showing all the widgets
        self.show()
 
    # method for components
    def UiComponents(self):
 
        # creating a QCalendarWidget object
        self.calendar = QCalendarWidget(self)
 
        # setting geometry to the calendar
        self.calendar.setGeometry(50, 10, 400, 250)
 
        # setting cursor
        self.calendar.setCursor(Qt.PointingHandCursor)
 
        # setting properties
        self.calendar.setProperty("Blocked", 0)
 
        # setting properties
        self.calendar.setProperty("Highlighted dates : ", 0)
 
        # creating label to show the properties
        self.label = QLabel(self)
 
        # setting geometry to the label
        self.label.setGeometry(100, 280, 250, 60)
 
        # making label multi line
        self.label.setWordWrap(True)
 
 
 
# create pyqt5 app
App = QApplication(sys.argv)
 
# create the instance of our Window
window = Window()
 
# getting system identifier of calendar
identifier = window.calendar.effectiveWinId()
 
# setting this text to the label
window.label.setText("ID : " + str(identifier))
 
# start the app
sys.exit(App.exec())

输出：