"""
動態顯示當前時間
QTimer
QThread
"""
from PyQt5.QtWidgets import QWidget, QPushButton, QApplication, QListWidget, QGridLayout, QLabel
from PyQt5.QtCore import QTimer, QDateTime
import sys
class ShowTime(QWidget):
def __init__(self, parent=None):
super().__init__(parent)
self.setWindowTitle("動態顯示當前時間")
self.label = QLabel()
self.startBtn = QPushButton("開始")
self.endBtn = QPushButton("結束")
layout = QGridLayout()
self.timer = QTimer()
self.timer.timeout.connect(self.showTime)
layout.addWidget(self.label, 0, 0, 1, 2)
layout.addWidget(self.startBtn, 1, 0)
layout.addWidget(self.endBtn, 1, 1)
self.setLayout(layout)
self.startBtn.clicked.connect(self.startTimer)
self.endBtn.clicked.connect(self.endTimer)
def showTime(self):
time = QDateTime.currentDateTime()
timeDisplay = time.toString('yyyy-MM-dd hh:mm:ss dddd')
self.label.setText(timeDisplay)
def startTimer(self):
self.timer.start(1000)
self.startBtn.setEnabled(False)
self.endBtn.setEnabled(True)
def endTimer(self):
self.timer.stop()
self.startBtn.setEnabled(True)
self.endBtn.setEnabled(False)
if __name__ == "__main__":
app = QApplication(sys.argv)
p = ShowTime()
p.show()
sys.exit(app.exec_())
