将索引工作日添加到pandas数据帧

import pandas as pd

df = pd.DataFrame({'日期': pd.date_range(start='2022-01-01', end='2022-01-31')})

df.set_index('日期', inplace=True)

workdays = pd.bdate_range(start=df.index.min(), end=df.index.max())

df = df.reindex(workdays)

import pandas as pd

df = pd.DataFrame({'日期': pd.date_range(start='2022-01-01', end='2022-01-31')})
df.set_index('日期', inplace=True)

workdays = pd.bdate_range(start=df.index.min(), end=df.index.max())
df = df.reindex(workdays)