PyQt5 – 如何获得进度条的值
在这篇文章中,我们将看到如何获得进度条的值。进度条的值基本上用于设置进度条的百分比。
注意: 百分比和进度条的值是不同的,它们可以有相同的值,但百分比取决于进度条的范围和进度条的值,如果进度条的范围是0到100,那么百分比值将等于进度条的值。为了获得进度条的值,我们将使用value方法。
语法: bar.value()
参数: 它不需要参数。
返回: 它返回整数值。
下面是实现方法。
# 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, 150, 200, 30)
# setting maximum value of progress bar to 1000
bar.setMaximum(200)
# setting value to progress bar
bar.setValue(100)
# getting value of progress bar
value = bar.value()
# creating label to print the value
label = QLabel("value = " + str(value), self)
# moving the label
label.move(200, 200)
# setting alignment to centre
bar.setAlignment(Qt.AlignCenter)
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app
sys.exit(App.exec())
输出 :