擅长:python、mysql、java
<p>假设列和索引设置正确,您可以说。你知道吗</p>
<pre><code>df.loc[df_result.index,df_result.columns] = df_result
</code></pre>
<p>it工作示例:</p>
<pre><code>import pandas as pd
import numpy as np
df=pd.DataFrame(data=[ [1 for y in range(5)] for i in range(5)] , columns=list(range(5)))
df.loc[0::2,2]=np.nan
print(df)
df2 = pd.DataFrame(data=[ [2 for y in range(3)] for i in range(2)] , columns=list(range(2,5)),index=range(1,3))
df2.loc[:,3] = np.nan
print(df2)
df.loc[df2.index,df2.columns] = df2
print(df)
</code></pre>