我想在基维的TextInput中编辑文本,但不知道如何,我试过这段代码,因为我在网上搜索,但仍然没有运气。Kivy - 如何访问python中的kivy部件?
class MainApp(Screen):
def __init__(self,**kwargs):
super(MainApp,self).__init__(**kwargs)
pass
class Forms(BoxLayout):
def __init__(self, **kwargs):
super(Main,self).__init__(**kwargs)
self.ids.txtSearch.text = "new text"
class Main(App):
def build(self):
return root_widget
if __name__ == "__main__":
Main().run()
------kivy-------
<Main>:
TextInput:
id: txtSearch
这不是我的全部代码,但我认为这些都是在发行
这个重要的是错误:
File "C:\Users\Guest\Documents\Python\Kivy\Project\main.py", line 295, in <module>
''')
File "D:\Kivy-1.9.0-py3.4-win32-x64\kivy34\kivy\lang.py", line 1828, in load_string
self._apply_rule(widget, parser.root, parser.root)
File "D:\Kivy-1.9.0-py3.4-win32-x64\kivy34\kivy\lang.py", line 1985, in _apply_rule
self.apply(child)
File "D:\Kivy-1.9.0-py3.4-win32-x64\kivy34\kivy\lang.py", line 1872, in apply
self._apply_rule(widget, rule, rule)
File "D:\Kivy-1.9.0-py3.4-win32-x64\kivy34\kivy\lang.py", line 1986, in _apply_rule
self._apply_rule(child, crule, rootrule)
File "D:\Kivy-1.9.0-py3.4-win32-x64\kivy34\kivy\lang.py", line 1986, in _apply_rule
self._apply_rule(child, crule, rootrule)
File "D:\Kivy-1.9.0-py3.4-win32-x64\kivy34\kivy\lang.py", line 1983, in _apply_rule
child = cls(__no_builder=True)
File "C:\Users\Guest\Documents\Python\Kivy\Project\main.py", line 40, in __init__
self.ids.txtSearch.text = "new text"
File "kivy\properties.pyx", line 720, in kivy.properties.ObservableDict.__getattr__ (kivy\properties.c:10911)
AttributeError: 'super' object has no attribute '__getattr__'
oops a mistype,thats Forms class – Shivr
所以'kv'文件应该相应地改变:':'...虽然你可能想要'Forms:',以实际实例化一个小部件。 –
zeeMonkeez
如果您发布[mcve],您更有可能获得有用的答案。 – zeeMonkeez