QComboBox_00_basic.py 文件源码

def init_widget(self):
        """
        ?? ??? ???? ???
        """
        self.setWindowTitle("QComboBox Widget")
        form_lbx = QBoxLayout(QBoxLayout.TopToBottom, parent=self)
        self.setLayout(form_lbx)

        lb = QLabel()

        qb = QComboBox()
        qb.addItem("Banana")  # ?? ??? ???
        qb.addItems(["Apple", "Tomato", "Carrot"])  # ?? ??? ???
        qb.insertSeparator(2)  # ?? ?
        qb.currentTextChanged.connect(lb.setText)  # ?? ???? ???? ?? ?

        form_lbx.addWidget(qb)
        form_lbx.addWidget(lb)