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點擊按鈕后，會在界面內(nèi)添加日歷控件。選擇日期后，將選擇結(jié)果傳遞給文本框后，日歷控件將被刪除。

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from PyQt5 import QtCore, QtGui

from PyQt5.QtWidgets import *

from PyQt5.QtGui import QFont, QIcon, QPixmap

from PyQt5.QtCore import Qt, QDate, QSize

import sys

import datetime

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class PyQt516(QWidget):

??? def __init__(self):

??????? super().__init__()

??????? self.cal = None

??????? self.initUI()

??? def initUI(self):

??????? self.setWindowTitle('氣輕PyQt5')???????? ???????# 設置窗口標題

??????? self.resize(290, 220)?????????????????????????? # 設置窗口大小

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??????? dateData = datetime.datetime.now().date()

??????? dateLabel = dateData.strftime('%Y-%m-%d')

??????? self.edit = QLineEdit(self)???????????????????? # 輸入框

??????? self.edit.setGeometry(10, 0,230, 40)??????????? # 設置位置和大小

??????? self.edit.setText(dateLabel)

??????? self.edit.setReadOnly(True)???????????????????? # 只讀

??????? self.edit.setAlignment(Qt.AlignCenter)????????? # 居中設置

??????? self.edit.setStyleSheet('background-color:#FFE4B5;color : #32CD32; \

??????????????????? font: bold italic large /"Times New Roman/";font-size:25px')

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??????? self.btn = QPushButton('', self)

??????? self.btn.setGeometry(240,0,40,40)?????????????? # 設置位置和大小

??????? self.btn.setIcon(QIcon(QPixmap('Date.png')))

??????? self.btn.setIconSize(QSize(36,36))

??????? self.btn.clicked.connect(self.calendarOn)

??????? self.btn.setStyleSheet('background-color:#DAA520')

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??????? self.show()

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??? def calendarOn( self ):

??????? if self.cal != None:

??????????? return

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??????? self.cal = QCalendarWidget(self)

??????? self.cal.setGridVisible(True)

??????? self.cal.setGeometry(10, 60,270, 140)?????????? # 設置位置和大小

??????? self.cal.clicked[QDate].connect(self.updateDate)

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??????? self.cal.show()???????? ????????????????????????# 顯示日歷控件

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??? def updateDate(self,date):

??????? self.edit.setText(date.toString("yyyy-MM-dd"))

??????? self.cal.deleteLater()????????????????????????? # 刪除日歷控件

??????? self.cal = None

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if __name__ == '__main__':

??? app = QApplication(sys.argv)

??? window = PyQt516()

??? sys.exit(app.exec_())

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執(zhí)行結(jié)果

參照【氣輕PyQt6 16動態(tài)添加刪除控件】