时间模块

import time
print(time.time())

print(time.strftime(‘%Y-%m-%d %H:%M:%S %p‘))
print(time.strftime(‘%Y-%m-%d %X‘))

res=time.localtime()
print(res)
print(res.tm_year)
print(res.tm_yday)

import datetime

print(datetime.datetime.now())
print(datetime.datetime.now() + datetime.timedelta(days=3))
print(datetime.datetime.now() + datetime.timedelta(weeks=1))

# struct_time->时间戳
import time
s_time=time.localtime()
print(time.mktime(s_time))

# 时间戳->struct_time
tp_time=time.time()
print(time.localtime(tp_time))

# 补充：世界标准时间与本地时间
print(time.localtime())
print(time.gmtime()) # 世界标准时间，了解
print(time.localtime(333333333))
print(time.gmtime(333333333))


# struct_time->格式化的字符串形式的时间
s_time=time.localtime()
print(time.strftime(‘%Y-%m-%d %H:%M:%S‘,s_time))

print(time.strptime(‘1988-03-03 11:11:11‘,‘%Y-%m-%d %H:%M:%S‘))

format string<------>timestamp
‘1988-03-03 11:11:11‘+7

format string--->struct_time--->timestamp
struct_time=time.strptime(‘1988-03-03 11:11:11‘,‘%Y-%m-%d %H:%M:%S‘)
timestamp=time.mktime(struct_time)+7*86400
print(timestamp)

format string<---struct_time<---timestamp
res=time.strftime(‘%Y-%m-%d %X‘,time.localtime(timestamp))
print(res)

time.sleep(3)

import datetime
print(datetime.datetime.now())
print(datetime.datetime.utcnow())
print(datetime.datetime.fromtimestamp(333333))

#进度条
import time

res=‘‘
for i in range(50):
    res+=‘#‘
    time.sleep(0.5)
    print(‘\r[%-50s]‘ % res,end=‘‘)