密谋:如何设置文本格式(下划线，粗体，斜体)

问题描述

在使用批注时，我会尝试在文本上加下划线.我使用

I try to underline text in plotly when using annotations.I add my annotations using

import plotly.graph_objects as go
g = go.FigureWidget(make_subplots(rows=1,cols=1))
g.update_layout(annotations=[dict(text='my text')]) #plus any other parameters

是否有选项(可能在注释字典中?)带有下划线的文本?

Is there an option (in the annotations dict, maybe?) to have underlined text?

谢谢！

推荐答案

Plotly使用HTML标签的子集来设置文本格式，例如粗体'<b></b>'和斜体'<i></i>'. '<u></u>'.但是包含了换行符 ，因此您可以进行以下一些变通方法:

Plotly uses a subset of HTML tags to format text like bold '<b></b>' and italics '<i></i>'. Alas, '<u></u>' does not seem to be included at the moment. But linebreak is included, so you could make a little work-around like this:

string = "These are orange"
myText = string+'<br>'+ '-'*len(string)

情节:

代码:

import plotly.graph_objects as go
animals=['giraffes', 'orangutans', 'monkeys']

fig = go.Figure([go.Bar(x=animals, y=[20, 14, 23])])

string = "These are orange"
myText = string+'<br>'+ '-'*len(string)

fig.update_layout(annotations=[dict(x='orangutans',y = 15, text=myText, font=dict(family='Courier New, monospace'))])
fig.show()

使用help(fig.layout)密谋来源::

Plotly source: using help(fig.layout):

  text
 |                  Sets the text associated with this annotation.
 |                  Plotly uses a subset of HTML tags to do things
 |                  like newline (<br>), bold (<b></b>), italics
 |                  (<i></i>), hyperlinks (<a href='...'></a>).
 |                  Tags <em>, <sup>, <sub> <span> are also
 |                  supported.

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