from datetime import datetime, date
import time
print("獲取當天的日期戳：")
print(time.time()) # 獲取時間戳,包括小數點後七位
print(int(time.time())) # 只取整數部分
# print(time.sleep(3))
print(time.mktime(datetime.today().timetuple()), end="\n\n")
print("獲取當前的日期時間對象， date time 包括秒數的小數點後6位：")
print(datetime.now())
print(datetime.today(),end="\n\n")
# time.struct_time(tm_year=2019, tm_mon=3, tm_mday=3, tm_hour=15, tm_min=23, tm_sec=36, tm_wday=6, tm_yday=62, tm_isdst=-1)
print("構建日期時間的元組對象:")
now_time_tuple = datetime.today().timetuple()
print(now_time_tuple)
print(now_time_tuple.tm_year, end="\n\n") # 獲取指定屬性
print("時間元組和時間戳相互轉換：")
print(time.localtime(time.time()))
print(time.mktime(datetime.today().timetuple()), end="\n\n") # 時間元組轉換爲時間戳
print("構建指定日期的日期對象:")
datetime_obj = datetime(year=2019, month=3, day=3, hour=15, minute=32, second=34) # microsecond屬性不添加
date_obj = date(year=2019, month=3, day=3) # microsecond屬性不添加
print(date_obj)
print(datetime_obj)
print(datetime_obj.year,end="\n\n") # 獲取日期的屬性
print("獲取當前的日期對象:")
print(datetime.now())
print(datetime.fromtimestamp(time.time())) # 將時間戳轉換爲日期
print(date.today(), end="\n\n")
print("時間戳和日期之間的相互轉換:")
timestamp = time.time()
print(datetime.fromtimestamp(timestamp)) # 將時間戳轉換爲日期
print(time.localtime(timestamp))
print(datetime_obj.timestamp(), end="\n\n") # 將日期對象轉換爲時間戳
print("將日期對象轉換爲字符串 , 將字符串轉換爲日期對象:")
datetime_now = datetime.now()
datetime_str = datetime.strftime(datetime_now, "%Y-%m-%d")
print(datetime_str)
print(type(datetime_str))
datetime_obj = datetime.strptime(datetime_str, "%Y-%m-%d")
print(datetime_obj)
print(type(datetime_obj))結果如下:
獲取當天的日期戳： 1551603197.907182 1551603197 1551603197.0 獲取當前的日期時間對象， date time 包括秒數的小數點後6位： 2019-03-03 16:53:17.907182 2019-03-03 16:53:17.907182 構建日期時間的元組對象: time.struct_time(tm_year=2019, tm_mon=3, tm_mday=3, tm_hour=16, tm_min=53, tm_sec=17, tm_wday=6, tm_yday=62, tm_isdst=-1) 2019 時間元組和時間戳相互轉換： time.struct_time(tm_year=2019, tm_mon=3, tm_mday=3, tm_hour=16, tm_min=53, tm_sec=17, tm_wday=6, tm_yday=62, tm_isdst=0) 1551603197.0 構建指定日期的日期對象: 2019-03-03 2019-03-03 15:32:34 2019 獲取當前的日期對象: 2019-03-03 16:53:17.907182 2019-03-03 16:53:17.907182 2019-03-03 時間戳和日期之間的相互轉換: 2019-03-03 16:53:17.907182 time.struct_time(tm_year=2019, tm_mon=3, tm_mday=3, tm_hour=16, tm_min=53, tm_sec=17, tm_wday=6, tm_yday=62, tm_isdst=0) 1551598354.0 將日期對象轉換爲字符串 , 將字符串轉換爲日期對象: 2019-03-03 <class 'str'> 2019-03-03 00:00:00 <class 'datetime.datetime'>