PyQt: 按钮组 / 容器

import sys
from PyQt5.Qt import *


class Window(QWidget):
    def __init__(self):
        super().__init__()
        self.setup_ui()
        self.user_action()

    def setup_ui(self):
        self.setWindowTitle("Qt桌面应用程序")
        self.resize(300, 300)

        # 设置信息显示标签
        self.label = QLabel(self)
        self.label.move(100, 50)

        # 添加单选框
        for i in range(2):
            # 定义组和组名
            self.radio_button_group = QButtonGroup(self)
            self.radio_button_group.setObjectName(f"{i + 1}")
            # 定义单选框
            for j in range(3):
                self.radio_button = QRadioButton(f"单选{i + 1}组{j + 1}", self)
                self.radio_button.setObjectName(f"{i + 1}_{j + 1}")
                self.radio_button.move(20 + j * 80, 100 + i * 50)
                # 将单选框加入组中，编号前一位代表组，后一位代表单选框
                self.radio_button_group.addButton(self.radio_button, int(f"{i + 1}{j + 1}"))

    def user_action(self):
        def button_clicked(button_id):
            # 获取单选框内容
            button_text = self.findChild(QButtonGroup, str(button_id)[0]).button(button_id).text()
            self.label.setText(button_text)
            self.label.adjustSize()
            # 测试：打印组中被被选单选框的ID和内容
            print(self.findChild(QButtonGroup, str(button_id)[0]).checkedId(),
                  self.findChild(QButtonGroup, str(button_id)[0]).checkedButton().text())

        # 连接组被点击的信号与槽，指定调用槽函数时传入单选框ID
        for i in self.findChildren(QButtonGroup):
            i.buttonClicked[int].connect(button_clicked)


if __name__ == '__main__':
    app = QApplication(sys.argv)
    window = Window()
    window.show()
    sys.exit(app.exec_())