您需要使用@app.callback才能使您的
InputGroupAddon
动态
import dash
from dash.dependencies import Input, Output
import dash_core_components as dcc
import dash_html_components as html
import dash_bootstrap_components as dbc
app = dash.Dash(__name__)
app.layout = (
html.Div([
dbc.InputGroup([
dbc.RadioItems(
id="type",
persistence=True,
persistence_type="memory",
options=[
{"label": "option1", "value": "option1"},
{"label": "option2", "value": "option2"}
],
value="option1",
style={"margin-left":"8px"}
),
],
style={"margin-top":"20px","width": "80%", "float": "left"},
),
dbc.InputGroup([
dbc.InputGroupAddon(
id='dbc-input-addon',
style={"margin-left":"8px"}),
dbc.Input(
id="floor",
persistence=True,
persistence_type="memory"
),
])
])
)
@app.callback(
Output(component_id='dbc-input-addon', component_property='children'),
[Input(component_id='type', component_property='value')]
)
def change_input(option_value):
if option_value == 'option1':
input_txt = 'Floor'
elif option_value == 'option2':
input_txt = 'No floor'
return input_txt
if __name__ == '__main__':
app.run_server(debug=True)
