time模块

#!/usr/bin/env python
# -*- coding:utf-8 -*-
import time
print(time.ctime())
tm_obj = time.gmtime(time.time())
print(tm_obj)
print(tm_obj.tm_year,tm_obj.tm_mon,tm_obj.tm_mday)
print("%s-%s-%s" %(tm_obj.tm_year,tm_obj.tm_mon,tm_obj.tm_mday))#字符串格式化