擅长:python、mysql、java
<p>您可以使用<code>pickle</code>模块保存数据帧,例如:</p>
<pre><code>df = pd.DataFrame()
# save dataframe as pickle
with open('model_columns.pickle', 'wb') as f:
pickle.dump(df, f, protocol=pickle.HIGHEST_PROTOCOL)
# load dataframe as pickle
with open('model_columns.pickle', 'rb') as f:
new_df = pickle.load(f)
</code></pre>
<p><code>pickle</code>可以将Python(如dataframe)对象结构转换为字节流并存储</p>