#TextProBarV3.py
import time
scale = 50 #进度条总长度
print("执行开始".center(scale//2, "-"))
start = time.perf_counter() #time库的perf_counter方法实现获取系统时间，精确到微秒
for i in range(scale+1):
a = '*' * i
b = '.' * (scale - i)
c = (i/scale)*100
dur = time.perf_counter() - start
print("\r{:^3.0f}%[{}->{}]{:.2f}s".format(c,a,b,dur),end='') #r回到行首实现单行动态刷新，IDLE会屏蔽/r功能，请在cmd用python命令运行程序
time.sleep(0.1)
print("\n"+"执行结束".center(scale//2,'-'))
#TextProBarV1.py
import time
scale = 10
print("------执行开始------")
for i in range(scale+1):
a = '*' * i
b = '.' * (scale - i)
c = (i/scale)*100
print("{:^3.0f}%[{}->{}]".format(c,a,b))
time.sleep(0.1)
print("------执行结束------")
#TextProBarV2.py
import time
for i in range(101):
print("\r{:3}%".format(i), end="")
time.sleep(0.1)
