import time
print(time.time())   # 時(shí)間戳 浮點(diǎn)數(shù)
print(time.sleep(2)) # 秒 進(jìn)行睡眠

t = time.time()         # 用于獲取當(dāng)前時(shí)間戳
print(time.localtime(t))   # 將時(shí)間戳轉(zhuǎn)成結(jié)構(gòu)化時(shí)間
t = time.localtime()     # 將時(shí)間戳轉(zhuǎn)成結(jié)構(gòu)化時(shí)間,不寫默認(rèn)是當(dāng)前時(shí)間戳
print(time.mktime(t))    # 將結(jié)構(gòu)化時(shí)間轉(zhuǎn)成時(shí)間戳
t = time.localtime()
print(time.strftime("%Y-%m-%d %H:%M:%S",t))  # 將結(jié)構(gòu)化時(shí)間轉(zhuǎn)換成字符串時(shí)間
str_time = "2019-9-1 12:23:06"
print(time.strptime(str_time,"%Y-%m-%d %H:%M:%S")) # 將字符串時(shí)間轉(zhuǎn)換成結(jié)構(gòu)化時(shí)間
print(time.strftime("%Y-%m-%d %H:%M:%S",time.localtime()))    # 將結(jié)構(gòu)化時(shí)間轉(zhuǎn)化為字符串時(shí)間
str_time = "2019-9-1 12:23:06"
print(time.mktime(time.strptime(str_time,"%Y-%m-%d %H:%M:%S")))
print(time.localtime()[0])
print(time.localtime().tm_year)
print(time.localtime().tm_yday)

'''
學(xué)習(xí)中遇到問題沒人解答？小編創(chuàng)建了一個(gè)Python學(xué)習(xí)交流QQ群：857662006
尋找有志同道合的小伙伴，互幫互助,群里還有不錯(cuò)的視頻學(xué)習(xí)教程和PDF電子書！
'''
from datetime import datetime
print(datetime.now())   # 獲取到當(dāng)前是時(shí)間,對象
print(type(datetime.now()))
print(datetime(2016, 11, 13, 12, 13, 14)) # 將指定時(shí)間轉(zhuǎn)化為 datetime 對象
import time
print(datetime.fromtimestamp(time.time()))    # 時(shí)間戳轉(zhuǎn)換成對象
print(datetime.timestamp(datetime.now()))    # 將對象轉(zhuǎn)換成時(shí)間戳

print(datetime.strftime(datetime.now(),"%Y-%m-%d %H:%M:%S"))    # 將對象轉(zhuǎn)換成字符串
print(datetime.strptime("2019/10/14","%Y/%m/%d"))    # 將字符串轉(zhuǎn)換成對象
print(datetime.now() - datetime(9999,11,1,12,13,14))    # 用來計(jì)算當(dāng)前時(shí)間相對于指定時(shí)間相差多久
from datetime import datetime,timedelta
print(datetime.now())
print(datetime.now() - timedelta(days=400))    # 用來計(jì)算400天前時(shí)間的 datetime 對象
print(datetime.now() - timedelta(days=500))