[Python知识库]pyqt5(14)-comboBox

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class CUi_comboboxDlg(QDialog,Ui_ComboBoxDlg):
    def __init__(self,parent=None):
        super(CUi_comboboxDlg, self).__init__(parent)
        self.setupUi(self)
        self.comboBox.currentIndexChanged.connect(self.selectionChange)  #控件选择发生改变后 触发这个函数

    def selectionChange(self,i):
        self.label.setText(self.comboBox.currentText())
        self.label.adjustSize()
        for count in range(self.comboBox.count()):
            print('item'+str(count)+'='+self.comboBox.itemText(count))
        print('current index',i,'selection changed',self.comboBox.currentText())

if __name__ == "__main__":
        import sys
        app = QtWidgets.QApplication(sys.argv)
        MainWindow = CUi_comboboxDlg()
        MainWindow.show()
        sys.exit(app.exec_())

代码：pyqt5-combobox的使用，ui和业务分离版-Python文档类资源-CSDN下载