time.sleep(1) | 暂停1s |
time.ctime() | 打印当前时间(星期、月、日、时、年)Wed Mar 6 20:42:40 2019 |
time.gmtime() | time.struct_time(tm_year=2019, tm_mon=3, tm_mday=6, tm_hour=12, tm_min=44, tm_sec=21, tm_wday=2, tm_yday=65, tm_isdst=0) |
time.strftime("%Y-%m-%d %H %M %S",t) |
格式化输出:2019-03-06 12 49 41 |
time.perf_counter() |
返回一个cpu精确计时时间 |
t=time.gmtime()
print(time.strftime("%Y-%m-%d %H %M %S",t))
动态刷新
import turtle,time
scale=100
print("执行开始!\n")
start=time.perf_counter()
for i in range(101):
a='*'*i
b='-'*(scale-i)
percent=int((i/scale)*100)
end=time.perf_counter()
times=end-start
print('\r{p}%:|{a}>>{b}|{t:.02f}s'.format(p=percent,a=a,b=b,t=times),end='')
time.sleep(0.1)
print("\n执行结束!")
import turtle,time
for i in range(101):
print('\r{a}%'.format(a=i),end='')
time.sleep(0.1)