【气轻PyQt5 13】用槽函数实现了不同窗口控件间的信息传递。这里用另外一种方式来实现不同窗口控件间的信息传递。点击单选按钮后，将六个单选按钮组成的按钮组显示在新窗口中，点击按钮后，窗口会关闭，选择的结果会显示在主窗口的标签控件。
(资料图片仅供参考)
from PyQt5.QtWidgets import *
from PyQt5.QtGui import QFont, QIcon, QPixmap
from PyQt5.QtCore import Qt, QDate, pyqtSignal, QSize
import sys
import datetime
import numpy as np
timeLabel = ['早饭前', '早饭后', '午饭前', '午饭后', '晚饭前', '晚饭后']
class PyQt515(QWidget):
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
self.setWindowTitle('气轻PyQt5') # 设置窗口标题
self.resize(450, 50) # 设置窗口大小
self.setStyleSheet('background-color:#40E0D0')
dateData = datetime.datetime.now().date()
dateLabel = dateData.strftime('%Y-%m-%d')
self.edit = QLineEdit(self) # 输入框
self.edit.setGeometry(10, 0,230, 40) # 设置位置和大小
self.edit.setReadOnly(True) # 只读
self.edit.setText(dateLabel)
self.edit.setAlignment(Qt.AlignCenter) # 居中设置
self.edit.setStyleSheet('background-color:#6495ED;color : #32CD32; \
font: bold large /"Times New Roman/";font-size:25px')
self.btn = QPushButton('', self)
self.btn.setGeometry(240,0,40,40) # 设置位置和大小
self.btn.setIcon(QIcon(QPixmap('Date.png')))
self.btn.setIconSize(QSize(36,36))
self.btn.clicked.connect(self.calendarOn)
self.btn.setStyleSheet('background-color:#CDC5BF')
self.stage = QLabel(self) #设置label信息
self.stage.setGeometry(290, 0,120, 40) # 设置位置和大小
self.stage.setText(timeLabel[0])
self.stage.setObjectName('label')
self.stage.setToolTip('时段') # 设置label提示
self.stage.setAlignment(Qt.AlignCenter) # 居中设置
self.stage.setStyleSheet('background-color:#6495ED;color : #32CD32; \
font: bold large /"Times New Roman/";font-size:25px')
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('D:/CHEN/Python/GLXY/sys/DataEntry.png')))
self.bTime.setIconSize(QSize(36,36))
self.bTime.clicked.connect(self.StageOn)
self.bTime.setStyleSheet('background-color:#CDC5BF')
self.show()
def updateEdit(self,t):
self.edit.setText(t)
def calendarOn( self ):
self.calWin = CalendarWin(self.edit)
self.calWin.show()
self.calWin.move(900,700)
self.calWin.signal.connect(self.updateEdit) # 连接信号与槽
def StageOn( self ):
self.stageWin = StageWin(self.stage)
self.stageWin.show( )
self.stageWin.move(740,560)
class StageWin(QWidget):
def __init__(self,t):
super().__init__()
self.t = t
self.setWindowTitle('时段')
self.resize(440, 60)
self.setStyleSheet('background-color:#C1CDCD')
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()))
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) # 设置第一个单选框被选中
self.rg.buttonClicked.connect(self.updateStage)
def updateStage(self,val):
self.t.setText(timeLabel[self.rg.checkedId()])
self.close()
class CalendarWin(QWidget):
signal = pyqtSignal( str ) #定义一个信号
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(400,180)
cal.move(10,10)
cal.clicked[QDate].connect(self.emitDate) # 按下按钮时发送信号
def emitDate(self,date):
self.signal.emit(date.toString("yyyy-MM-dd"))
self.close()
if __name__ == '__main__':
app = QApplication(sys.argv)
window = PyQt515()
sys.exit(app.exec_())
执行结果
参照【气轻PyQt6 15】