python 计时累积超过24小时时继续往上累加

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

import sys
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtCore import QTimer, QTime

class FirstWindow(QWidget):
    close_signal = pyqtSignal()
    def __init__(self, parent=None):
        super(FirstWindow, self).__init__(parent)
        self.resize(100, 100)
        self.timer = QTimer()  #
        self.timeClock = QTime()
        self.h24 = 0
        self.isTimeStart = False

        self.label = QLabel(self)
        self.label.setText(‘0:00:00‘)

        if not self.isTimeStart:
            self.timeClock.setHMS(0, 0, 0)
            self.timer.start(1000)  # 启动定时器，定时器对象每隔一秒发射一个timeout信号
        self.isTimeStart = True
        self.timer.timeout.connect(self.addtime)

    def addtime(self):  # 计时时间增一秒，并显示在QLable上
        self.timeClock = self.timeClock.addMSecs(1000)  # 时间增加一秒
        time = self.timeClock.toString("hh:mm:ss")
        if time == "00:00:00":
            self.h24 += 24
        h = int(time.split(":")[0]) + self.h24
        m = time.split(":")[1]
        s = time.split(":")[2]

        new_time = "%d:%s:%s" % (h, m, s)
        self.label.setText(new_time)  # 标签显示时间


if __name__ == "__main__":
    App = QApplication(sys.argv)
    ex = FirstWindow()
    ex.show()
    sys.exit(App.exec_())