import sys

from PySide6.QtUiTools import QUiLoader
from PySide6.QtWidgets import QApplication, QLabel


class dynamic_load_widget():
    def __init__(self):
        super(dynamic_load_widget, self).__init__()

        # 显示主窗口
        self.ui = QUiLoader().load('ui/dynamic_load_widget.ui')

        self.ui.add_widget_btn.clicked.connect(self.add_widget)

        self.counter = 0

    def add_widget(self):
        print('add widget')
        self.counter += 1
        label = QLabel(f'我是第{self.counter}个动态label')
        self.ui.verticalLayout.addWidget(label)

if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = dynamic_load_widget()
    main.ui.show()
    sys.exit(app.exec())