做这个：
import timeimport datetime t = '2012-06-30T23:59:60.209215'nofrag, frag = t.split('.')nofrag_dt = time.strptime(nofrag, "%Y-%m-%dT%H:%M:%S")ts = datetime.datetime.fromtimestamp(time.mktime(nofrag_dt))dt = ts.replace(microsecond=int(frag))print(dt)输出为：
2012-07-01 00:00:00.209215
