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Python使用progressbar模块实现的显示进度条功能

更新时间:2020-06-04 16:00:01 作者:startmvc
本文实例讲述了Python使用progressbar模块实现的显示进度条功能。分享给大家供大家参考,具

本文实例讲述了Python使用progressbar模块实现的显示进度条功能。分享给大家供大家参考,具体如下:

progressbar安装:


pip install progressbar

用法一


# -*- coding=utf-8 -*-
import time
from progressbar import *
total = 1000
def dosomework():
 time.sleep(0.01)
progress = ProgressBar()
for i in progress(range(1000)):
 dosomework()

显示效果:

5% |###                                                                      | 100% |#########################################################################|

用法二


# -*- coding=utf-8 -*-
from __future__ import division
import sys, time
from progressbar import *
total = 1000
def dosomework():
 time.sleep(0.01)
pbar = ProgressBar().start()
for i in range(1000):
 pbar.update(int((i / (total - 1)) * 100))
 dosomework()
pbar.finish()

显示效果:

39% |##############################                                               | 100% |#############################################################################|

用法三


# -*- coding=utf-8 -*-
import time
from progressbar import *
total = 1000
def dosomework():
 time.sleep(0.01)
widgets = ['Progress: ',Percentage(), ' ', Bar('#'),' ', Timer(),
 ' ', ETA(), ' ', FileTransferSpeed()]
pbar = ProgressBar(widgets=widgets, maxval=10*total).start()
for i in range(total):
 # do something
 pbar.update(10 * i + 1)
 dosomework()
pbar.finish()

显示效果:

Progress:   3% |###                                                                                | Elapsed Time: 0:00:15 ETA: 0:09:02 919.67  B/s Progress: 100% |###################################################################################| Elapsed Time: 0:10:10 Time: 0:10:10 917.42  B/s

widgets可选参数含义:

'Progress: ' :设置进度条前显示的文字 Percentage() :显示百分比 Bar('#') : 设置进度条形状 ETA() : 显示预计剩余时间 Timer() :显示已用时间

Python progressbar模块 显示进度条