使用列表理解来提取属性time
s:
import datetime as datetime
df = pd.DataFrame({'time': [datetime.time(9, 30, 38),
datetime.time(13, 40, 27),
datetime.time(18, 5, 24),
datetime.time(4, 58, 8),
datetime.time(9, 0, 9)]})
print (df)
time
0 09:30:38
1 13:40:27
2 18:05:24
3 04:58:08
4 09:00:09
df[['h','m','s']] = pd.DataFrame([(x.hour, x.minute, x.second) for x in df['time']])
或者转换为string
s,分割并转换为int
:
df[['h','m','s']] = df['time'].astype(str).str.split(':', expand=True).astype(int)
print (df)
time h m s
0 09:30:38 9 30 38
1 13:40:27 13 40 27
2 18:05:24 18 5 24
3 04:58:08 4 58 8
4 09:00:09 9 0 9