PyQt5 定时器

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from PyQt5.Qt import *
import sys


class Obj(QObject):
    def timerEvent(self, TimerEvent):
        print(TimerEvent, 2)


if __name__ == '__main__':
    app = QApplication(sys.argv)
    window = QWidget()

    obj = Obj()
    timer_id = obj.startTimer(1000)

    # obj.killTimer(timer_id)

    window.show()
    sys.exit(app.exec_())