案例:time & datetime & string 互相转换
#!/usr/bin/env python # -*- coding:utf-8 -*- import datetime import time # 日期时候字符串 st = "2017-11-23 16:10:10" # 当前日期时候 dt = datetime.datetime.now() # 当前时候戳 sp = time.time() # 1.把datetime转成字符串 def datetime_toString(dt): print("1.把datetime转成字符串: ", dt.strftime("%Y-%m-%d %H:%M:%S")) # 2.把字符串转成datetime def string_toDatetime(st): print("2.把字符串转成datetime: ", datetime.datetime.strptime(st, "%Y-%m-%d %H:%M:%S")) # 3.把字符串转成时候戳情势 def string_toTimestamp(st): print("3.把字符串转成时候戳情势:", time.mktime(time.strptime(st, "%Y-%m-%d %H:%M:%S"))) # 4.把时候戳转成字符串情势 def timestamp_toString(sp): print("4.把时候戳转成字符串情势: ", time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(sp))) # 5.把datetime范例转外时候戳情势 def datetime_toTimestamp(dt): print("5.把datetime范例转外时候戳情势:", time.mktime(dt.timetuple())) # 1.把datetime转成字符串 datetime_toString(dt) # 2.把字符串转成datetime string_toDatetime(st) # 3.把字符串转成时候戳情势 string_toTimestamp(st) # 4.把时候戳转成字符串情势 timestamp_toString(sp) # 5.把datetime范例转外时候戳情势 datetime_toTimestamp(dt)
试验效果:
1.把datetime转成字符串: 2017-11-23 17:05:18
2.把字符串转成datetime: 2017-11-23 16:10:10
3.把字符串转成时候戳情势: 1511424610.0
4.把时候戳转成字符串情势: 2017-11-23 17:05:18
5.把datetime范例转外时候戳情势: 1511427918.0
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