选择相同值时的Kivy微调器操作

from kivy.uix.spinner import Spinner
from kivy.app import App

class MySpinner(Spinner):
    pass

class MyApp(App):
    def build(self):
        return MySpinner()

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

class MySpinner(Spinner):
    def __init__(self, **kwargs):
        super(MySpinner, self).__init__(**kwargs)
        self.values = ['1', '2', '3']

class MySpinner(Spinner):
    def __init__(self, **kwargs):
        super(MySpinner, self).__init__(**kwargs)
        self.bind(text=self.on_spinner_change)

    def on_spinner_change(self, instance, value):
        print("Selected value:", value)