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在下拉菜單選中的選項會顯示在標(biāo)簽中。

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from PyQt5.QtWidgets import *

from PyQt5.QtCore import Qt

import sys

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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 PyQt520(QWidget):

??? def __init__(self):

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

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

??? def initUI(self):

??????? self.setWindowTitle('氣輕PyQt5')??????????????? # 設(shè)置窗口標(biāo)題

??????? self.resize(420, 50)??????????????????????????? # 設(shè)置窗口大小

??????? self.setStyleSheet('background-color:#FAEBD7')

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??????? self.stage = QLabel(self)?????????????????????? #設(shè)置label信息

??????? self.stage.setGeometry(10, 0,230, 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:#ADD8E6;color : #00BFFF; \

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

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??????? self.combobox = QComboBox(self, minimumWidth=100)

??????? self.combobox.setGeometry(240, 0,170, 40)?????? # 設(shè)置位置和大小

??????? for i in range(len(timeLabel)):

??????????? self.combobox.addItem(timeLabel[i])

??????? self.combobox.setCurrentIndex(0)

??????? self.combobox.setStyleSheet('background-color:#ADD8E6;color : #00BFFF; \

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

??????? self.combobox.currentIndexChanged.connect(self.updateStage)

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

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??? def updateStage(self,val):

??????? self.stage.setText(self.combobox.currentText())

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if __name__ == '__main__':

??? app = QApplication(sys.argv)

??? window = PyQt520()

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

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執(zhí)行結(jié)果