擅长:python、mysql、java
<p>你试过用列表作为append的参数吗?还是我遗漏了什么?</p>
<pre><code>import numpy as np
import pandas as pd
dates = np.asarray(pd.date_range('1/1/2000', periods=8))
df1 = pd.DataFrame(np.random.randn(8, 4), index=dates, columns=['A', 'B', 'C', 'D'])
df2 = df1.copy()
df3 = df1.copy()
df = df1.append([df2, df3])
print df
</code></pre>