PyQt5 – StatusBar的clearMessage()

PyQt5支持一个窗口状态栏。clearMessage()方法用于清除状态栏上由showmessage()方法设置的信息。

语法： self.statusBar().clearMessage()

参数： 它不需要参数。

执行的操作： 它清除了状态栏中的信息。

代码。

from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
import sys
 
 
class Window(QMainWindow):
    def __init__(self):
        super().__init__()
 
        # set the title
        self.setWindowTitle("Python")
 
        # setting  the geometry of window
        self.setGeometry(60, 60, 600, 400)
 
        # setting status bar message
        self.statusBar().showMessage("this is status bar")
 
        # clearing the status bar message
        self.statusBar().clearMessage()
 
        # creating a label widget
        self.label_1 = QLabel("No message in status bar", self)
 
        # moving position
        self.label_1.move(100, 100)
 
        # setting up the border
        self.label_1.setStyleSheet("border :1px solid blue;")
 
        # resizing label
        self.label_1.adjustSize()
 
        # show all the widgets
        self.show()
 
 
# create pyqt5 app
App = QApplication(sys.argv)
 
# create the instance of our Window
window = Window()
 
# start the app
sys.exit(App.exec())

输出 :