Dash 有趣的股票小APP

import dash
from dash.dependencies import Input, Output
import dash_core_components as dcc
import dash_html_components as html
import tushare as ts
from datetime import datetime as dt

app = dash.Dash()

app.layout = html.Div([
    html.H1('小李的股票查询小平台'),
    dcc.Dropdown(
        id='my-dropdown',
        options=[
            {'label': '平安银行', 'value': '000001'},
            {'label': '临港集团', 'value': '600848'},
            {'label': '万年青', 'value': '000789'}
        ],
        value='COKE'
    ),
    dcc.Graph(id='my-graph')
])

@app.callback(Output('my-graph', 'figure'), [Input('my-dropdown', 'value')])
def update_graph(selected_dropdown_value):
    df = ts.get_hist_data(selected_dropdown_value, start='2017-01-05', end='2017-10-01')
    # df = ts.get_hist_data('000001', start='2017-01-05', end='2017-10-01')
    # df = web.DataReader(
    #     selected_dropdown_value, data_source='google',
    #     start=dt(2017, 1, 1), end=dt.now())

    return {
        'data': [{
            'x': df.index,
            'y': df.close
        }]
    }

if __name__ == '__main__':
    app.run_server()