图片中的这个有没有人会的，用Python解

Question

用Python制作一个模拟 windows 启动界面的文本进度条，执行效果上图所示

Answer 1

思路是用\r实现擦除

import time

def progress_bar(total, prefix='', suffix='', decimals=1, length=100, fill='█'):
    """
    total: 进度条所代表的总量
    prefix: 进度条前面显示的文本
    suffix: 进度条后面显示的文本
    decimals: 进度条数字的小数位数
    length: 进度条的总长度 (以字符个数为单位)
    fill: 用来填充进度条的字符
    """
    completed = 0
    percent = 0
    bar = fill * 0 + ' ' * (length - 0)

    while completed <= total:
        percent = round(100 * completed / total, decimals)
        filled_length = int(length * completed // total)
        bar = fill * filled_length + ' ' * (length - filled_length)

        print('\r%s |%s| %s%% %s' % (prefix, bar, percent, suffix), end = '\r')

        completed += 1
        time.sleep(0.02)

    print('\n')

# 示例用法:
progress_bar(1000, prefix='进度：', suffix='完成！', length=50, fill='█')