PyQt5基础学习-QTimer.singleShot(定时执行程序)

设置定时器对整个程序进行关闭

"""
让程序定时关闭

QTimer.singleShot
"""
import sys
from typing import Union

from PyQt5.QtWidgets import *
from PyQt5.QtCore import QTimer, QDateTime
from PyQt5.QtGui import *
from PyQt5.QtCore import *


if __name__ == "__main__":
    app = QApplication(sys.argv)
    #构造标签
    label = QLabel("Hello World, 窗口在5秒后自动关闭!")
    #作为窗口提示
    label.setWindowFlags(Qt.SplashScreen | Qt.FramelessWindowHint)
    #进行标签显示
    label.show()
    #一定时间后进行关闭
    QTimer.singleShot(5000, app.quit)

    sys.exit(app.exec_())