PyQt5--StatusBar

 # -*- coding:utf-8 -*-

 '''

 Created on Sep 13, 2018

 @author: SaShuangYiBing

 '''

 import sys

 from PyQt5.QtWidgets import QApplication,QWidget,QMainWindow

 class New_test(QMainWindow):

     def __init__(self):

         super().__init__()

         self.initUI()

     def initUI(self):

         self.statusBar().showMessage('Ready')

         self.setGeometry(300,300,250,150)

         self.setWindowTitle('StatusBar')

         self.show()

 if __name__ == "__main__":

     app = QApplication(sys.argv)

     ex = New_test()

     sys.exit(app.exec_())