# 更改列名 df_obj1 = df_obj1.rename(columns={'key':'key1'}) df_obj2 = df_obj2.rename(columns={'key':'key2'}) 相关文章: 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2021-07-22 2022-12-23 2022-12-23 2022-03-06