文本进度条2

gzj137070928

文本进度条2

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

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