flet/demo/app/pages/plotly_chart.py

from flet_core import Column, MainAxisAlignment, Row
from flet.plotly_chart import PlotlyChart
import plotly
import plotly.express

# import matplotlib
# import matplotlib.pyplot as plt
from flet.matplotlib_chart import MatplotlibChart

# matplotlib.use("svg")

class ChartPage():
    '''chart page '''
    
    def draw_chart(self):
        ''' draw chart '''
        x = ['day 1', 'day 1', 'day 1', 'day 1', 'day 1', 'day 1',
             'day 2', 'day 2', 'day 2', 'day 2', 'day 2', 'day 2']

        fig = plotly.graph_objects.Figure()
        # 箱线图
        fig.add_trace(plotly.graph_objects.Box(
            y=[0.2, 0.2, 0.6, 1.0, 0.5, 0.4, 0.2, 0.7, 0.9, 0.1, 0.5, 0.3],
            x=x,
            name='kale',
            marker_color='#3D9970'
        ))
        fig.add_trace(plotly.graph_objects.Box(
            y=[0.6, 0.7, 0.3, 0.6, 0.0, 0.5, 0.7, 0.9, 0.5, 0.8, 0.7, 0.2],
            x=x,
            name='radishes',
            marker_color='#FF4136'
        ))
        fig.add_trace(plotly.graph_objects.Box(
            y=[0.1, 0.3, 0.1, 0.9, 0.6, 0.6, 0.9, 1.0, 0.3, 0.6, 0.8, 0.5],
            x=x,
            name='carrots',
            marker_color='#FF851B'
        ))

        fig.update_layout(
            yaxis_title='normalized moisture',
            boxmode='group'  # group together boxes of the different traces for each value of x
        )
        return fig

    def __init__(self):
        ''''''
        super().__init__()