#coding=utf-8import timeimport datetimeif __name__ == "__main__":	# 今天	now = datetime.datetime.now()	print now.strftime('%Y-%m-%d %H:%M:%S')	print "%s-%s-%s %s:%s:%s" % (now.year, now.month, now.day, now.hour, now.minute, now.second)	print time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())	# 前一天	now = datetime.datetime.now()	dt = now + datetime.timedelta(days=-1)	print dt.strftime('%Y-%m-%d %H:%M:%S')	print time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(time.time() - 24 * 3600))	# 后一天	now = datetime.datetime.now()	dt = now + datetime.timedelta(days=1)	print dt.strftime('%Y-%m-%d %H:%M:%S')	print time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(time.time() + 24 * 3600))	# 前一小时	now = datetime.datetime.now()	dt = now - datetime.timedelta(hours=1)	print dt.strftime("%Y-%m-%d %H:%M:%S")	print time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(time.time() - 1 * 3600))	# 时间戳 秒	print int(time.time())	# 时间戳 毫秒	print int(round(time.time() * 1000))	# 时间戳 to 日期	print datetime.datetime.fromtimestamp(1507630854)	print time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(1507630854))	print time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())	# 日期 to 时间戳	print time.mktime(time.strptime("2017-10-10", "%Y-%m-%d"))	print time.mktime(time.strptime("2017-10-10 10:10:10", "%Y-%m-%d %H:%M:%S"))