文本进度条2

gzj137070928

文本进度条2

# TextProBarV2.py
import time
scale = 50
print("执行开始".center(scale//2, '-'))
start = time.perf_counter()
for i in range(scale+1):
    a = '*' * i
    b = '.' * (scale - i)
    c = (i/scale)*100
    dur = time.perf_counter() - start
    # 借助\r回到行首位置再次输出，达到刷新效果
    print("\r{:^3.0f}%[{}-->{}]{:.2f}s".format(c, a, b, dur), end='')
    time.sleep(0.1)
print("\n"+"执行结束".center(scale//2, '-'))