python自写软件(三)

from PyQt5.Qt import QLCDNumber
from PyQt5.QtGui import QPalette, QBrush, QPixmap
from PyQt5.QtWidgets import QApplication, QHBoxLayout, QVBoxLayout, QPushButton, QWidget
import sys
import time
from PyQt5.Qt import QTime, QTimer
import time

class clock(QWidget):
    def __init__(self):
        super().__init__()
        self.num = 0
        self.init()
        self.paletter = QPalette()
        self.paletter.setBrush(self.backgroundRole(),
                               QBrush(QPixmap('H:\CLOCK\tokyouniversity.jpg')))
        self.setPalette(self.paletter)
        self.flag = 1
        self.s = 0
        self.h = 0
        self.m = 0

    def init(self):
        self.setWindowTitle("学习计时时钟")
        self.resize(600, 400)
        self.lcd = QLCDNumber(20, self)
        stop = QPushButton("STOP")
        stop.setStyleSheet('background-color:rgb(180,180,180,255);font-size:20px;color:rgb(0,0,0,255);')
        stop.clicked.connect(self.stop)
        resume = QPushButton("RESUME")
        resume.setStyleSheet('background-color:rgb(180,180,180,255);font-size:20px;color:rgb(0,0,0,255);')
        resume.clicked.connect(self.resume)
        begin = QPushButton("BEGIN")
        begin.setStyleSheet('background-color:rgb(180,180,180,255);font-size:20px;color:rgb(0,0,0,255);')
        begin.clicked.connect(self.begin)
        hbox = QHBoxLayout()
        shiro = QWidget()
        shiro.setLayout(hbox)
        hbox.addWidget(begin)
        hbox.addWidget(resume)
        hbox.addWidget(stop)
        vbox = QVBoxLayout()
        vbox.addWidget(self.lcd)
        vbox.addWidget(shiro)
        self.setLayout(vbox)

    def getResult(self):
        self.num += 1
        if self.flag == 1:
            self.s += 1
        if self.s == 60:
            self.s = 0
            self.m += 1
        if self.m == 60:
            self.m = 0
            self.h += 1
        time = QTime(self.h, self.m, self.s)
        text = time.toString('hh:mm:ss')

        self.lcd.display(text)

    def begin(self):
        self.timer = QTimer()
        self.timer.setInterval(1000)
        self.timer.start()
        self.timer.timeout.connect(self.getResult)

    def stop(self):
        self.flag = 0

    def resume(self):
        self.flag = 1


if __name__ == '__main__':
    app = QApplication(sys.argv)
    myclock = clock()
    myclock.show()
    sys.exit(app.exec())

实现闹钟功能

 图片想去的东京大学