pyqt5 LCD屏幕

效果

clock

import sys

from PyQt5.QtCore import QTimer, QTime
from PyQt5.QtWidgets import QWidget, QLCDNumber, QVBoxLayout, QApplication

class Clock(QWidget):
    def __init__(self):
        QWidget.__init__(self)
        # set layout
        self.resize(600, 300)
        self.v_layout = QVBoxLayout()
        self.setLayout(self.v_layout)

        self.lcd = QLCDNumber()
        self.lcd.setDigitCount(8)
        self.v_layout.addWidget(self.lcd)

        # data
        self.dot = True
        self.timer = QTimer(self)
        self.timer.timeout.connect(self.updateTime)
        self.timer.start(1000)

    # update
    def updateTime(self):
        time = QTime.currentTime()
        time_text = time.toString()
        if self.dot:
            time_text.replace(":", " ")
            self.dot = False
        else:
            self.dot = True
        self.lcd.display(time_text)


if __name__ == '__main__':
    app = QApplication(sys.argv)
    clock = Clock()
    clock.show()
    sys.exit(app.exec_())
comment: