PyQt5 QCalendarWidget – 更新它

在本文中，我们将了解如何更新 QCalendarWidget。更新意味着将后端发生的任何更改反映到屏幕上。如果禁用，更新将无效。

In order to do this we will use update method with the QCalendarWidget object.

Syntax : calendar.update()

Argument : It takes no argument

Return : It returns None

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, 600, 400)
  
        # calling method
        self.UiComponents()
  
        # showing all the widgets
        self.show()
  
    # method for components
    def UiComponents(self):
  
        # creating a QCalendarWidget object
        calender = QCalendarWidget(self)
  
        # setting geometry to the calendar
        calender.setGeometry(10, 10, 400, 250)
  
        # setting selected date
        calender.setSelectedDate(QDate(2021, 1, 1))
  
        # updating the calendar
        calender.update()
  
  
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

输出 ：