python如何转换时间戳-Python教程

1.简介

正在编写代码时，往往触及工夫、日期、工夫戳的互相转换。

2.示例

# 引入模块import time, datetime

2.1 str类型的日期转换为工夫戳

# 字符类型的工夫
tss1 = '2013-10-10 23:40:00'
# 转为工夫数组
timeArray = time.strptime(tss1, "%Y-%m-%d %H:%M:%S")
print timeArray     
# timeArray能够挪用tm_year等
print timeArray.tm_year   # 2013
# 转为工夫戳
timeStamp = int(time.mktime(timeArray))
print timeStamp  # 1381419600


# 后果以下
time.struct_time(tm_year=2013, tm_mon=10, tm_mday=10, tm_hour=23, tm_min=40, tm_sec=0, tm_wday=3, tm_yday=283, tm_isdst=-1)
2013
1381419600

2.2 更改str类型日期的显示格局

tss2 = "2013-10-10 23:40:00"
# 转为数组
timeArray = time.strptime(tss2, "%Y-%m-%d %H:%M:%S")
# 转为其它显示格局
otherStyleTime = time.strftime("%Y/%m/%d %H:%M:%S", timeArray)
print otherStyleTime  # 2013/10/10 23:40:00

tss3 = "2013/10/10 23:40:00"
timeArray = time.strptime(tss3, "%Y/%m/%d %H:%M:%S")
otherStyleTime = time.strftime("%Y-%m-%d %H:%M:%S", timeArray)
print otherStyleTime  # 2013-10-10 23:40:00

2.3 工夫戳转换为指定格局的日期

# 应用time
timeStamp = 1381419600
timeArray = time.localtime(timeStamp)
otherStyleTime = time.strftime("%Y--%m--%d %H:%M:%S", timeArray)
print otherStyleTime   # 2013--10--10 23:40:00
# 应用datetime
timeStamp = 1381419600
dateArray = datetime.datetime.utcfromtimestamp(timeStamp)
otherStyleTime = dateArray.strftime("%Y--%m--%d %H:%M:%S")
print otherStyleTime   # 2013--10--10 15:40:00

2.4 猎取以后工夫而且用指定格局显示

# time猎取以后工夫戳
now = int(time.time())     # 1533952277
timeArray = time.localtime(now)
print timeArray
otherStyleTime = time.strftime("%Y--%m--%d %H:%M:%S", timeArray)
print otherStyleTime    

# 后果以下
time.struct_time(tm_year=2018, tm_mon=8, tm_mday=11, tm_hour=9, tm_min=51, tm_sec=17, tm_wday=5, tm_yday=223, tm_isdst=0)
2018--08--11 09:51:17


# datetime猎取以后工夫，数组格局
now = datetime.datetime.now()
print now
otherStyleTime = now.strftime("%Y--%m--%d %H:%M:%S")
print otherStyleTime  

# 后果以下：
2018-08-11 09:51:17.362986
2018--08--11 09:51:17

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