这个练习应用程序的代码是这样的,我将它与示例视频的代码进行了比较,结果完全相同。 可能是什么问题
import kivy
from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.gridlayout import GridLayout
from kivy.uix.textinput import TextInput
class MyGrid(GridLayout):
def __init__(self, **kwargs):
super(MyGrid, self).__init__(**kwargs)
self.cols = 2
self.add_widget(Label(text="Name: "))
self.name = TextInput(multilane=False)
self.add_widget(self.name)
class MyApp(App):
def build(self):
return MyGrid()
if __name__ == "__main__":
MyApp().run()
但这让我犯了一个错误:
TypeError: object.__init__() takes exactly one argument (the instance to initialize)
提及:
File "C:/Users/JLHI6/AppData/Local/Programs/Python/Python38-32/Scripts/Prueba Kivy.py", line 23, in <module>
MyApp().run()
File "C:/Users/JLHI6/AppData/Local/Programs/Python/Python38-32/Scripts/Prueba Kivy.py", line 20, in build
return MyGrid()
File "C:/Users/JLHI6/AppData/Local/Programs/Python/Python38-32/Scripts/Prueba Kivy.py", line 13, in __init__
此错误表示您传递了一个类不期望的参数。参数在
super(..., self)
调用中不断向上传递到超类,最终object
类引发此异常在这种情况下,不存在的参数是
multilane=False
。也许你的意思是multiline=False
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