我的代碼點亮了一個 LED。這個程序在 Tkinter 中有效，但當我用 Kivy 編寫它時它不起作用?。栴}是什么？kivy.py ==>from kivy.app import Appfrom kivy.lang import Builderfrom kivy.uix.screenmanager import ScreenManager, Screenimport requestsclass MainWindow(Screen): passclass WindowManager(ScreenManager): passkv = Builder.load_file("my9.kv")class MyMainApp(App): def build(self): return kvif __name__ == "__main__": MyMainApp().run()我的.kv==>WindowManager: MainWindow:<MainWindow>: name: "main" GridLayout: cols:1 Button: text: "Submit" TheRequest = requests.get('http://192.168.43.91/on')錯誤 ==> 文件“/home/pi/Desktop/ali/my9.kv”，第 13 行，在 TheRequest = requests.get('http://192.168.43.91/on') NameError: name 'requests' is not定義的
1 回答
慕森卡
TA貢獻1806條經驗 獲得超8個贊
您需要kv 文件中的import模塊requests。并且還在 的方法TheRequest = requests.get('http://192.168.43.91/on')下添加語句。修改后的 kv 文件如下所示：on_releaseButton
#:import requests requests
WindowManager:
MainWindow:
<MainWindow>:
name: "main"
GridLayout:
cols:1
Button:
text: "Submit"
on_release:
TheRequest = requests.get('https://www.android.com/')
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