这里只列举了部分方法,其他方法或python库暂时还没使用到 马蜂窝刷粉丝【微信:156150954】
1.不用库,直接打印:
代码样例:
import time #demo1 def process_bar(percent, start_str='', end_str='', total_length=0): bar = ''.join(["\033[31m%s\033[0m"%' '] * int(percent * total_length)) + '' bar = '\r' + start_str + bar.ljust(total_length) + ' {:0>4.1f}%|'.format(percent*100) + end_str print(bar, end='', flush=True) for i in range(101): time.sleep(0.1) end_str = '100%' process_bar(i/100, start_str='', end_str=end_str, total_length=15) #demo2 # for i in range(0, 101, 2): # time.sleep(0.1) # num = i // 2 # if i == 100: # process = "\r[%3s%%]: |%-50s|\n" % (i, '|' * num) # else: # process = "\r[%3s%%]: |%-50s|" % (i, '|' * num) # print(process, end='', flush=True)
果:
2.不用库,直接打印:
代码样例:
import sys, time print("正在下载......") for i in range(11): if i != 10: sys.stdout.write("==") else: sys.stdout.write("== " + str(i*10)+"%/100%") sys.stdout.flush() time.sleep(0.2) print("\n" + "下载完成")
注:
sys.stdout.write()方法跟print()方法的区别是 前者打印不换行,后者换行。
sys.stdout.flush()方法是立即刷新输出的内容
效果:
3.tqdm库
使用样例:
from time import sleep from tqdm import tqdm for i in tqdm(range(20)): sleep(0.5)
效果:
4.progressbar
安装:
pip3 install progressbar2
使用样例:
import time from progressbar import * progress = ProgressBar() for i in progress(range(1000)): time.sleep(0.01)
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