【发布时间】:2020-07-01 10:40:15
【问题描述】:
从截图中可以看出,下拉菜单和按钮之间有很大的空间。 我希望此按钮位于下拉列表旁边。我尝试了造型,但我不会减少这个巨大的空间。
如何解决这个问题?
截图:
代码:
import dash
import dash_core_components as dcc
import dash_html_components as html
from dash.dependencies import Input, Output, State, MATCH, ALL
import dash_bootstrap_components as dbc
app = dash.Dash(__name__, suppress_callback_exceptions=True)
app.layout = html.Div([
html.Button("Add Filter", id="dynamic-add-filter", n_clicks=0),
html.Div(id='dynamic-dropdown-container', children=[]),
])
@app.callback(
Output('dynamic-dropdown-container', 'children'),
[Input('dynamic-add-filter', 'n_clicks')],
[State('dynamic-dropdown-container', 'children')])
def display_dropdowns(n_clicks, children):
new_element = html.Div([
dcc.Dropdown(
id={
'type': 'dynamic-dropdown',
'index': n_clicks
},
options=[{'label': i, 'value': i} for i in ['NYC', 'MTL', 'LA', 'TOKYO']],
style=dict(
width='40%',
# verticalAlign="middle"
# display='flex',
float="left",
)
),
html.Button('Button 1', id='btn-nclicks-1', n_clicks=0, style={'margin-right': '35em'}),
html.Div(
id={
'type': 'dynamic-output',
'index': n_clicks
}
)
])
children.append(new_element)
return children
@app.callback(
Output({'type': 'dynamic-output', 'index': MATCH}, 'children'),
[Input({'type': 'dynamic-dropdown', 'index': MATCH}, 'value')],
[State({'type': 'dynamic-dropdown', 'index': MATCH}, 'id')],
)
def display_output(value, id):
return html.Div(children=[html.Div([
html.Div('Dropdown {} = {}'.format(id['index'], value)),
# html.Button('Button 1', id='btn-nclicks-1', n_clicks=0, style={'float': 'right'}),
])
])
if __name__ == '__main__':
app.run_server(debug=True)
【问题讨论】:
标签: plotly plotly-dash plotly-python