<p>最终解决方案感谢@DizietAsahi</p>
<pre><code>import pandas as pd
import seaborn as sns
columns = ['category1', 'category2', 'category3', 'time', 'value']
data = [['content1', 'other1', 'critera1', 0, 0.1], ['content1', 'other1', 'critera1', 1, 0.4], ['content1', 'other1', 'critera1', 2, 0.7], ['content2', 'other1', 'critera1', 0, 0.2], ['content2', 'other1', 'critera1', 1, 0.6], ['content2', 'other1', 'critera1', 2, 0.8], ['content1', 'other2', 'critera1', 0, 0.0], ['content1', 'other2', 'critera1', 1, 0.2], ['content1', 'other2', 'critera1', 2, 0.8], ['content2', 'other2', 'critera1', 0, 0.3], ['content2', 'other2', 'critera1', 1, 0.6], ['content2', 'other2', 'critera1', 2, 0.5], [
'content1', 'other1', 'critera2', 0, 0.1], ['content1', 'other1', 'critera2', 1, 0.4], ['content1', 'other1', 'critera2', 2, 0.7], ['content2', 'other1', 'critera2', 0, 0.2], ['content2', 'other1', 'critera2', 1, 0.6], ['content2', 'other1', 'critera2', 2, 0.8], ['content1', 'other2', 'critera2', 0, 0.0], ['content1', 'other2', 'critera2', 1, 0.2], ['content1', 'other2', 'critera2', 2, 0.8], ['content2', 'other2', 'critera2', 0, 0.3], ['content2', 'other2', 'critera2', 1, 0.6], ['content2', 'other2', 'critera2', 2, 0.5], ]
df = pd.DataFrame(data, columns=columns)
plot = sns.relplot(x='time', y='value', col='category3', hue='category1', style='category2', kind="line",
col_wrap=2, data=df)
handles, labels = plot.axes[0].get_legend_handles_labels()
plot._legend.remove()
plot.fig.legend(handles, labels, ncol=2, loc='upper center',
bbox_to_anchor=(0.5, 1.15), frameon=False)
</code></pre>
<p><a href="https://i.stack.imgur.com/3vi3z.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/3vi3z.png" alt="solution"/></a></p>