pyqt5 QTimer使用_qtpy qtimer

说明

记录一下QTimer的测试代码

代码

# coding=utf8
import sys
import time

from PyQt5.QtCore import QTimer
from PyQt5.QtGui import QFont
from PyQt5.QtWidgets import QApplication, QMainWindow, QLabel


class Main:
    def __init__(self):
        self.app = QApplication(sys.argv)
        self.mainwindow = QMainWindow()
        self.mainwindow.resize(600, 600)
        self.mainwindow.setWindowTitle("测试QTimer")
        self.label = QLabel(self.mainwindow)
        self.label.setText("label1")
        self.label.setGeometry(10, 20, 300, 20)
        font = QFont("宋", 16)
        self.label.setFont(font)

        # 定时器
        self.timer = QTimer(self.mainwindow)
        # timeout信号
        self.timer.timeout.connect(self.onTimer)
        # start方法
        self.timer.start(1000)

        self.mainwindow.show()
        sys.exit(self.app.exec_())

    def onTimer(self):
        # 显示时间
        s = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
        self.label.setText(s)


if __name__ == "__main__":
    Main()
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