Plotly中的列问题-使用自定义CSS划线

import plotly.graph_objects as go

# 创建图表数据
x = [1, 2, 3, 4, 5]
y = [1, 4, 9, 16, 25]

# 创建注释对象
annotations = [
    dict(
        x=2,  # 划线起点的x坐标
        y=8,  # 划线起点的y坐标
        xref="x",
        yref="y",
        xanchor="center",
        yanchor="bottom",
        text="自定义CSS划线",
        showarrow=True,
        arrowhead=1,
        ax=0,
        ay=-40,
        bordercolor="#c7c7c7",
        borderwidth=2,
        borderpad=4,
        bgcolor="#ff7f0e",
        opacity=0.8,
        font=dict(
            family="Arial",
            size=14,
            color="#ffffff"
        )
    )
]

# 创建图表布局
layout = go.Layout(
    title="自定义CSS划线示例",
    annotations=annotations
)

# 创建图表对象
fig = go.Figure(data=[go.Scatter(x=x, y=y)], layout=layout)

# 绘制图表
fig.show()