擅长:python、mysql、java
<p>可以将<a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Index.union.html" rel="noreferrer">^{<cd1>}</a>与<a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.reindex.html" rel="noreferrer">^{<cd2>}</a>一起使用</p>
<pre><code>codes = ['E184', 'E185', 'E187', 'E186', 'E176', 'E177', 'E181', 'E210', 'E175',
'E209', 'E174', 'E212', 'E211', 'E154', 'E219', 'E230', 'E220', 'E157',
'E188','E234']
df.reindex(df.columns.union(codes, sort=False), fill_value=0, axis=1)
</code></pre>