plotly 绘制离线图例（折线）

#log.txt

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#!/usr/bin/env python
import plotly.offline as pltoff
import plotly.graph_objs as go


def line_plots(name="line_plots.html"):
    dataset = {
        'x': [],
        'y1': [],
        'y2': [],
        'y3': []
    }
    with open("./log.txt") as f:
        i = 0
        for line in f:
            items = line.split()
            dataset['x'].append(i)
            dataset['y1'].append(items[0])
            dataset['y2'].append(items[1])
            dataset['y3'].append(items[2])
            i += 1

    data_g = []

    # 构建 数据关系，折线图
    x_y1 = go.Scatter(
        x=dataset['x'],
        y=dataset['y1'],
        mode='lines',
        name='lines')
    data_g.append(x_y1)

    x_y2 = go.Scatter(
        x=dataset['x'],
        y=dataset['y2'],
        mode='markers',
        name='markers')
    data_g.append(x_y2)

    x_y3 = go.Scatter(
        x=dataset['x'],
        y=dataset['y3'],
        mode='lines+markers',
        name='lines+markers')
    data_g.append(x_y3)

    # 设置图表布局
    layout = go.Layout(title="Line plots",
                       xaxis={'title': 'X'}, yaxis={'title': 'Y'})
    fig = go.Figure(data=data_g, layout=layout)
    # 生成离线html
    pltoff.plot(fig, filename=name)


if __name__ == '__main__':
    line_plots()