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[英]How to get inputs from user and save them in a list(Python Kivy)?
[英]How to save user entered text in kivy python?
我有这个应用程序,用户可以在其中输入他/她的用户名。 单击提交按钮时,将加载另一个页面,其中应将先前输入的用户名显示在不可编辑的文本框中。 我在下面附上了完整的代码。 如何让 load_username textInput 从用户页面获取用户名 textInput?
from kivy.app import App
from kivy.lang import Builder
from kivy.uix.screenmanager import Screen, ScreenManager
Builder.load_string("""
<User>:
username:username
user_label:user_label
but_1:but_1
# cols: 1
Label:
id: user_label
font_size: 30
color: 0.6, 0.6, 0.6, 1
text_size: self.width, None
halign: 'center'
text:'Enter username below'
TextInput:
id: username
font_size: 30
pos_hint:{"x":0.3,"y":0.25}
size_hint: 0.4, 0.07
color: 0.6, 0.6, 0.6, 1
text_size: self.width, None
halign: 'center'
Button:
id: but_1
font_size: 20
pos_hint:{"x":0.3,"y":0.15}
size_hint: 0.4, 0.07
text: 'Get username'
on_press:
root.save_username()
root.manager.current = 'get_user'
""")
Builder.load_string("""
<GetUser>:
load_username:load_username
user_label:user_label
but_1:but_1
# cols: 1
Label:
id: user_label
font_size: 30
color: 0.6, 0.6, 0.6, 1
text_size: self.width, None
halign: 'center'
text:'Received username from previous page'
TextInput:
id: load_username
font_size: 30
pos_hint:{"x":0.3,"y":0.25}
size_hint: 0.4, 0.07
color: 0.6, 0.6, 0.6, 1
text_size: self.width, None
halign: 'center'
disabled:True
Button:
id: but_1
font_size: 20
pos_hint:{"x":0.3,"y":0.15}
size_hint: 0.4, 0.07
text: 'Go back to username page'
on_press:
root.manager.current = 'user'
root.get_username()
""")
class User(Screen):
pass
def save_username(self):
print('saved: ', self.username.text)
class GetUser(Screen):
pass
def get_username(self):
self.load_username.text = "This should be previous username"
sm = ScreenManager()
sm.add_widget(User(name='user'))
sm.add_widget(GetUser(name='get_user'))
class UserName(App):
def build(self):
return sm
if __name__ == '__main__':
UserName().run()
单击get username
按钮时,您必须找到一种方法将文本分配到下一个屏幕。
工作代码如下:
from kivy.app import App
from kivy.lang import Builder
from kivy.uix.screenmanager import Screen, ScreenManager
Builder.load_string("""
<User>:
username:username
user_label:user_label
but_1:but_1
# cols: 1
Label:
id: user_label
font_size: 30
color: 0.6, 0.6, 0.6, 1
text_size: self.width, None
halign: 'center'
text:'Enter username below'
TextInput:
id: username
font_size: 30
pos_hint:{"x":0.3,"y":0.25}
size_hint: 0.4, 0.07
color: 0.6, 0.6, 0.6, 1
text_size: self.width, None
halign: 'center'
Button:
id: but_1
font_size: 20
pos_hint:{"x":0.3,"y":0.15}
size_hint: 0.4, 0.07
text: 'Get username'
on_press:
root.save_username()
root.set_username()
root.manager.current = 'get_user'
<GetUser>:
load_username:load_username
user_label:user_label
but_1:but_1
# cols: 1
Label:
id: user_label
font_size: 30
color: 0.6, 0.6, 0.6, 1
text_size: self.width, None
halign: 'center'
text:'Received username from previous page'
TextInput:
id: load_username
font_size: 30
pos_hint:{"x":0.3,"y":0.25}
size_hint: 0.4, 0.07
color: 0.6, 0.6, 0.6, 1
text_size: self.width, None
halign: 'center'
disabled:True
Button:
id: but_1
font_size: 20
pos_hint:{"x":0.3,"y":0.15}
size_hint: 0.4, 0.07
text: 'Go back to username page'
on_press:
root.manager.current = 'user'
""")
class User(Screen):
def save_username(self):
print('saved: ', self.username.text)
def set_username(self): # <--- Asign the name here
screens = App.get_running_app().root.screens
other_screen = None
text = ""
for screen in screens:
if screen.name == "user":
text = screen.username.text
elif screen.name == "get_user":
other_screen = screen
other_screen.load_username.text = text
class GetUser(Screen):
pass
sm = ScreenManager()
sm.add_widget(User(name='user'))
sm.add_widget(GetUser(name='get_user'))
class UserName(App):
def build(self):
return sm
if __name__ == '__main__':
UserName().run()
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