在KivyMD上的多个小部件中添加数值

from kivymd.app import MDApp
from kivymd.uix.boxlayout import MDBoxLayout
from kivymd.uix.button import MDFlatButton
from kivymd.uix.label import MDLabel

class MyWidget(MDBoxLayout):
    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        
        self.orientation = "vertical"
        
        self.label = MDLabel(text="0")
        self.add_widget(self.label)
        
        self.button = MDFlatButton(text="增加数值", on_release=self.increment_value)
        self.add_widget(self.button)
        
    def increment_value(self, *args):
        current_value = int(self.label.text)
        new_value = current_value + 1
        self.label.text = str(new_value)

class MyApp(MDApp):
    def build(self):
        layout = MDBoxLayout(orientation="vertical")
        
        widget1 = MyWidget()
        layout.add_widget(widget1)
        
        widget2 = MyWidget()
        layout.add_widget(widget2)
        
        return layout

if __name__ == "__main__":
    MyApp().run()