做开发中难免时间类型之间的转换， 最近就发现前端js和后端django经常要用到这个转换， 其中jsDate.now()精确到毫秒，而Python中Datetime.datetime.now()是精确到微秒的。

1. 字符串日期时间转换成时间戳

# '2015-08-28 16:43:37.283' --> 1440751417.283 # 或者 '2015-08-28 16:43:37' --> 1440751417.0 def string2timestamp(strValue): try: d = datetime.datetime.strptime(strValue, "%Y-%m-%d %H:%M:%S.%f") t = d.timetuple() timeStamp = int(time.mktime(t)) timeStamp = float(str(timeStamp) + str("%06d" % d.microsecond))/1000000 print timeStamp return timeStamp except ValueError as e: print e d = datetime.datetime.strptime(str2, "%Y-%m-%d %H:%M:%S") t = d.timetuple() timeStamp = int(time.mktime(t)) timeStamp = float(str(timeStamp) + str("%06d" % d.microsecond))/1000000 print timeStamp return timeStamp

2. 时间戳转换成字符串日期时间

# 1440751417.283 --> '2015-08-28 16:43:37.283' def timestamp2string(timeStamp): try: d = datetime.datetime.fromtimestamp(timeStamp) str1 = d.strftime("%Y-%m-%d %H:%M:%S.%f") # 2015-08-28 16:43:37.283000' return str1 except Exception as e: print e return ''

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