PyQt5 – 进度条的setInvertedAppearance()方法
当我们在PyQt5中创建进度条时,默认情况下进度条是从左到右的,但PyQt5允许我们在setInvertedAppearance方法的帮助下改变其方向。它接受bool作为参数,使进度条倒置。下面是正常的进度条和倒置的进度条的样子
语法: bar.setInvertedAppearance(True)
参数: 它以bool作为参数。
执行的操作: 它将进度条设置为倒置的外观。
# 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 widgets
def UiComponents(self):
# creating progress bar
bar = QProgressBar(self)
# setting geometry to progress bar
bar.setGeometry(200, 100, 200, 30)
# setting the value
bar.setValue(70)
# setting alignment to center
bar.setAlignment(Qt.AlignCenter)
# making progress bar inverted
bar.setInvertedAppearance(True)
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app
sys.exit(App.exec())
输出 :