pyqt5学习之QMainwindow

QmMainwindow：用来创建窗口，窗口可以包含菜单栏，工具栏，状态栏，标题栏

设置状态栏

import sys
from PyQt5.QtWidgets import QMainWindow, QApplication
from PyQt5.QtGui import QIcon

class MainWindow(QMainWindow):
    def __init__(self):
        super(MainWindow, self).__init__()
        self.resize(400, 200)
        self.status = self.statusBar()  # 创建状态栏
        self.status.showMessage('这是状态栏提示', 5000)  # 在左下方
        #showMessage(message,int timeout = 0(mes))
        self.setWindowTitle('QMainWindow')


if __name__ == '__main__':

    app = QApplication(sys.argv)
    app.setWindowIcon(QIcon('dp.png'))  # 给标题栏添加一个图片
    form = MainWindow()
    form.show()
    sys.exit(app.exec_())

statusBar()