发布时间:2019-09-03 09:01:34编辑:auto阅读(2190)
import time
import datetime
start = datetime.datetime.now()
time.sleep(30)
end = datetime.datetime.now()
print (end-start).days # 0 天数
print (end-start).total_seconds() # 30.029522 精确秒数
print (end-start).seconds # 30 秒数
print (end-start).microseconds # 29522 毫秒数
import datetime now = datetime.datetime.now() three_days_ago = now + datetime.timedelta(days=-3) three_weeks_ago = now + datetime.timedelta(weeks=-3) print now # datetime.datetime(2016, 12, 22, 11, 24, 49, 987171) print three_days_ago # datetime.datetime(2016, 12, 19, 11, 24, 49, 987171) print three_weeks_ago # datetime.datetime(2016, 12, 1, 11, 24, 49, 987171)
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