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【氣輕PyQt6 13】用槽函數(shù)實現(xiàn)了不同窗口控件間的信息傳遞。這里用另外一種方式來實現(xiàn)不同窗口控件間的信息傳遞。點擊單選按鈕后，將六個單選按鈕組成的按鈕組顯示在新窗口中，點擊按鈕后，窗口會關(guān)閉，選擇的結(jié)果會顯示在主窗口的標簽控件。

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from PyQt6.QtWidgets import *

from PyQt6.QtGui import QFont, QIcon, QPixmap

from PyQt6.QtCore import Qt, QDate, pyqtSignal, QSize

import sys

import datetime

import numpy as np

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timeLabel = ['早飯前', '早飯后', '午飯前', '午飯后', '晚飯前', '晚飯后']

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class PyQt615(QWidget):

??? def __init__(self):

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

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

??? def initUI(self):

??????? self.setWindowTitle('氣輕PyQt6')??????????????? # 設(shè)置窗口標題

??????? self.resize(450, 50)??????????????????????????? # 設(shè)置窗口大小

??????? self.setStyleSheet('background-color:#40E0D0')

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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(shè)置位置和大小

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

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

??????? self.edit.setAlignment(Qt.AlignmentFlag.AlignHCenter)# 居中設(shè)置

??????? self.edit.setStyleSheet('background-color:#7A67EE;color : #32CD32; \

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

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

??????? self.btn.setGeometry(240,0,40,40)?????????????? # 設(shè)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.stage = QLabel(self)?????????????????????? #設(shè)置label信息

??????? self.stage.setGeometry(280, 0,120, 40)????????? # 設(shè)置位置和大小

??????? self.stage.setText(timeLabel[0])

??????? self.stage.setObjectName('label')

??????? self.stage.setToolTip('時段')?????????????????? # 設(shè)置label提示

??????? self.stage.setAlignment(Qt.AlignmentFlag.AlignHCenter)# 居中設(shè)置

??????? self.stage.setStyleSheet('background-color:#7A67EE;color : #32CD32; \

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

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

??????? self.bTime.resize(40,40)

??????? self.bTime.move(400,0)

??????? self.bTime.setFont(QFont('Arial',20))

??????? self.bTime.setIcon(QIcon(QPixmap('DataEntry.png')))

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

??????? self.bTime.clicked.connect(self.StageOn)

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

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

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??? def updateEdit(self,t):

??????? self.edit.setText(t)

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??? def calendarOn( self ):

??????? self.calWin = CalendarWin(self.edit)

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

??????? self.calWin.move(740,560)

??????? self.calWin.signal.connect(self.updateEdit)??? # 連接信號與槽

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??? def StageOn( self ):

??????? self.stageWin = StageWin(self.stage)

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

??????? self.stageWin.move(740,560)

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class StageWin(QWidget):

??? def __init__(self,t):

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

??????? self.t = t

??????? self.setWindowTitle('時段')

??????? self.resize(440, 60)

??????? self.setStyleSheet('background-color:#F5DEB3')

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??????? self.rg = QButtonGroup(self)

???????

??????? rdict = dict.fromkeys(timeLabel)

??????? x, y=np.meshgrid([80, 180, 280], [10, 30])

??????? xdict = dict(zip(timeLabel, x.ravel()))

??????? ydict = dict(zip(timeLabel, y.ravel()))

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??????? for i, s in enumerate(timeLabel):

??????????? rdict[s] = QRadioButton(self)

??????????? rdict[s].setText(s)

??????????? rdict[s].move(xdict[s], ydict[s])

??????????? self.rg.addButton(rdict[s],i)

??????? rdict[timeLabel[0]].setChecked(True)??????????? # 設(shè)置第一個單選框被選中

??????? self.rg.buttonClicked.connect(self.updateStage)

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??? def updateStage(self,val):

??????? self.t.setText(timeLabel[self.rg.checkedId()])

??????? self.close()

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class CalendarWin(QWidget):

??? signal = pyqtSignal( str )????????????????????????? #定義一個信號

??? def __init__(self,t):

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

??????? self.t = t

??????? self.setWindowTitle('日期')

??????? self.resize(440, 220)

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

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

??????? cal.resize(400,160)

??????? cal.move(10,10)

??????? cal.clicked[QDate].connect(self.emitDate)??? # 按下按鈕時發(fā)送信號

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??? def emitDate(self,date):

??????? self.signal.emit(date.toString("yyyy-MM-dd"))

??????? self.close()

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if __name__ == '__main__':

??? app = QApplication(sys.argv)

??? window = PyQt615()

??? sys.exit(app.exec())

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執(zhí)行結(jié)果