pyqt5 按钮开和关状态

返回上一步 / in 0 
# -*- coding:utf-8 -*-
# Time : 2019/08/18 下午 2:43
# Author : 御承扬
# e-mail:2923616405@qq.com
# project:  PyQt5
# File : qt32_CalendarTest.py
# @software: PyCharm


import sys
from PyQt5 import QtCore
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import QDate


class CalendarExample(QWidget):
    def __init__(self):
        super(CalendarExample, self).__init__()
        # self.cal = QCalendarWidget(self)
        # self.label = QLabel(self)
        self.initUI()

    def initUI(self):
        self.setGeometry(100, 100, 400, 350)
        self.setWindowTitle("Calendar 例子")
        # self.setWindowIcon(QIcon("./images/Python2.ico"))
        # self.cal.setMinimumDate(QDate(1980, 1, 1))
        # self.cal.setMaximumDate(QDate(3000, 1, 1))
        # self.cal.setGridVisible(True)
        # self.cal.move(20, 20)
        #
        # # self.button.setText('yes')
        #
        # self.cal.clicked[QtCore.QDate].connect(self.showDate)
        # date = self.cal.selectedDate()
        # self.label.setText(date.toString("yyyy-MM-dd dddd"))
        # self.label.move(20, 300)
        self.button = QPushButton(self)
        self.button.setText('test')
        self.button.move(100, 100)
        self.button.setCheckable(True)
        self.button.clicked.connect(self.showDate)

    def showDate(self):
        if self.button.isChecked():
            self.setStyleSheet('color:red;')
        else:
            self.setStyleSheet('color:black;')
        print(self.button.isChecked())
        # self.label.setText(date.toString("yyyy-MM-dd dddd"))


if __name__ == "__main__":
    app = QApplication(sys.argv)
    win = CalendarExample()
    win.show()
    sys.exit(app.exec_())
搜索