62 lines
1.6 KiB
Python
62 lines
1.6 KiB
Python
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# -*- coding: utf-8 -*-
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'''
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【簡介】
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PyQT5中QTimer範例
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'''
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from PyQt5.QtWidgets import QWidget, QPushButton , QApplication ,QListWidget, QGridLayout , QLabel
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from PyQt5.QtCore import QTimer ,QDateTime
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import sys
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class WinForm(QWidget):
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def __init__(self,parent=None):
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super(WinForm,self).__init__(parent)
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self.setWindowTitle("QTimer demo")
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self.listFile= QListWidget()
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self.label = QLabel('顯示目前時間')
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self.startBtn = QPushButton('開始')
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self.endBtn = QPushButton('結束')
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layout = QGridLayout(self)
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# 初始化計時器
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self.timer = QTimer(self)
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# showTime()方法
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self.timer.timeout.connect(self.showTime)
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layout.addWidget(self.label,0,0,1,2)
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layout.addWidget(self.startBtn,1,0)
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layout.addWidget(self.endBtn,1,1)
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self.startBtn.clicked.connect( self.startTimer)
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self.endBtn.clicked.connect( self.endTimer)
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self.setLayout(layout)
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def showTime(self):
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# 取得系統現在的時間
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time = QDateTime.currentDateTime()
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# 設定系統時間顯示格式
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timeDisplay = time.toString("yyyy-MM-dd hh:mm:ss dddd");
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# 在標籤上顯示時間
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self.label.setText( timeDisplay )
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def startTimer(self):
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# 設定時間間隔，並啟動計時器
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self.timer.start(1000)
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self.startBtn.setEnabled(False)
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self.endBtn.setEnabled(True)
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def endTimer(self):
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self.timer.stop()
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self.startBtn.setEnabled(True)
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self.endBtn.setEnabled(False)
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if __name__ == "__main__":
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app = QApplication(sys.argv)
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form = WinForm()
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form.show()
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sys.exit(app.exec_())
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