import datetime
print 'min : ', datetime.datetime.min
print 'max : ', datetime.datetime.max
min : 0001-01-01 00:00:00
max : 9999-12-31 23:59:59.999999
import datetime
print '.now() : ', datetime.datetime.now()
print type(datetime.datetime.now())
print '.now().date(): ', datetime.datetime.now().date()
print type(datetime.datetime.now().date())
print '.strftime : ', datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
print type(datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
.now() : 2017-09-06 19:46:23.099767
<type 'datetime.datetime'>
.now().date(): 2017-09-06
<type 'datetime.date'>
.strftime : 2017-09-06 19:46:23
<type 'str'>
import datetime
print 'year : ', datetime.datetime.now().year
print 'month : ', datetime.datetime.now().month
print 'day : ', datetime.datetime.now().day
print 'hour : ', datetime.datetime.now().hour
print 'minute : ', datetime.datetime.now().minute
print 'second : ', datetime.datetime.now().second
year : 2017
month : 9
day : 6
hour : 19
minute : 47
second : 13
import datetime
print '.time() : ', datetime.time()
print '.date.today(): ', datetime.date.today()
.time() : 00:00:00
.date.today(): 2017-09-06
import datetime
print 'tomorrow: ', datetime.date.today() + datetime.timedelta(days=1)
print 'tomorrow: ', datetime.datetime.now() + datetime.timedelta(days=1)
print 'tomorrow: ', (datetime.datetime.now() + datetime.timedelta(days=1)).strftime("%Y-%m-%d %H:%M:%S")
tomorrow: 2017-09-07
tomorrow: 2017-09-07 19:49:16.292580
tomorrow: 2017-09-07 19:49:16
import time
print 'time.time() : ', time.time() # return当前时间戳
print 'time.localtime(): ', time.localtime()
time.time() : 1504698623.85
time.localtime(): time.struct_time(tm_year=2017, tm_mon=9, tm_mday=6, tm_hour=19, tm_min=50, tm_sec=23, tm_wday=2, tm_yday=249, tm_isdst=0)
import time
time.sleep(2) # 延迟2秒