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进度条和一般的print有什么区别?如何正确显示进度条呢?

2020年02月17日 综合 ⁄ 共 1749字 ⁄ 字号 评论关闭

607的彩的正确网址  pythonshiyimenyuphpyoudianxiangdebianjiyuyanle,xiawenlaijigeweizailiyongpythonshixianjindutiaole,duipythonzaiconsolexiaxianshiwenbenjindutiaodefangfaxiangguanzhishiganxingqudepengyouyiqixuexiba

  进度条和一般的print区别在哪里呢?

  daanjiushiprinthuishuchuyige\n,yejiushihuanxingfu,zheiyangguangbiaoyidongdaolexiayixingxingshou,jiezheshuchu,zhiqianyijingtongguostdoutshuchudedongxiyijiubaoliu,erqiebaozhengwomenzaixiamiankandaozuixindeshuchujieguo。

  jindutiaoburan,womenbixuzaiyuandishuchucainengbaozhengtashiyigejindutiao,fouzehuanxinglezenmehaijiaojindutiao?

  shixianjindutiaozuijiandandebanfajiushi,zaishuchuwanbihou,baguangbiaoyidongdaoxingshou,jixuzaineilishuchugengzhangdejindutiaojikeshixian,xindegengzhangdejindutiaobajiudeduanfugai,jiuxingchengledonghuaxiaoguo。

  zaiyongpythonchulihaoshiderenwushi,wangwangxiwangnenggoulejiedaorenwudangqiandechulijindu,zheigeshihouxuyaozairenwuzhongbuduandayinchurenwudejinduxinxi。yibanwomenshizheiyangde:

607的彩的正确网址  def process_mission():

607的彩的正确网址  """ renwuchulifangfa """

  # zheilishirenwuchuliguocheng

607的彩的正确网址  print('dangqianchulidaodi[%d]xiang' % count)

607的彩的正确网址  # zheilishirenwuchuliguocheng

  zheizhongfangshihuizaichuangkoushuchuyiduileisixiamianzheiyangdexinxi:

  dangqianchulidaodi1xiang

  dangqianchulidaodi2xiang

  dangqianchulidaodi3xiang

  dangqianchulidaodi4xiang

  dangqianchulidaodi5xiang

  ....

  zheizhongxinxiyoukenengfeichangfeichangdezhang,yeyoukenengshuchudeshihoufeichangfeichangdekuai,yizhiyugenbenjiuwufakanqingchu(shuchufeichangkuaideshihou)。

  zheishihou,womenqidaizheiyangdegongneng:

607的彩的正确网址  [================== ] 25.60%

607的彩的正确网址  danruguochuncuideshiyong print shiwufadadaoxiaoguode,huibianchengheqianmianyiyang,manpingdoushizheizhongganggang。

  如何正确显示进度条呢?

607的彩的正确网址  pythontigongleyigemokuai,jiao: progressbar ,dangshiyongzheigemokuaizhihou,niyaoxianshijindudejinxuruxia:

  import progressbar# xiandingyiyigejindutiao

607的彩的正确网址  # http://kzyd386.cn/

607的彩的正确网址  pbar = progressbar.progressbar(maxval=100, \

607的彩的正确网址  widgets=[progressbar.bar('=', '[', ']'), ' ', \

  progressbar.percentage()])for i in xrange(100):

  # gengxinjindutiao

  pbar.update(i+1)

  pbar.finish()

  # ok,daociwanjie。

  shibushihenrongyijiuwanchengjindutiaodexianshi?buguoyihandeshi,zheigepythonmokuaibingbushimorende,ershixuyaoanzhuang:

607的彩的正确网址  pip install progressbar

  ruguomeiyouanzhuang pip keyi cankaozheili 。

  duiyuzhiyaoyigejiandanjindutiaoderenlaishuo,anzhuanggepythonbaosihuyoudiandongjingtaida,neime,zijidongshouxieyigebianshile。

607的彩的正确网址  xiamianshimitchellzijixiedeyigeleisidejindutiao,buyonganzhuangbao,jiandanyiyong。

607的彩的正确网址  # zaishiyongbenfangfazhiqian,qingxianzuoruxiaimport

607的彩的正确网址  # from __future__ import division

  # import math

607的彩的正确网址  # import sys

  # ##blog.useasp.net##

  def progressbar(cur, total):

607的彩的正确网址  percent = '{:.2%}'.format(cur / total)

607的彩的正确网址  sys.stdout.write('\r')

  sys.stdout.write("[%-50s] %s" % (

607的彩的正确网址  '=' * int(math.floor(cur * 50 / total)),

607的彩的正确网址  percent))

  sys.stdout.flush()

  shuoming:

  cur , total :yigeshidangqianzhi,yigeshizongzhi。 cur zairenwudechuliguochengzhonghuibuduanxiang total kaojin,zhidaoliangzhexiangdeng,renwujieshu

  xuyaozhuyideshi,zheilianggekenengweizhengxing,yinciyaoyinru division 。

  zaishiyongdeshihou,zhixuyaodiaoyong progressbar jikezaikongzhitaishuchujindutiao。

  # diaoyongfangshijuli

  progressbar(2, 100)

607的彩的正确网址  progressbar(3.9, 10)

607的彩的正确网址  progressbar(3283, 27379)

  daoci,womenwanchengleyigehuizaikongzhitaidongtaigengxindejindutiao。

  yishangsuoshushixiaobianjidajiajieshaodepythonzaiconsolexiaxianshiwenbenjindutiaodefangfa,xiwangduidajiayousuobangzhu。

baoqian!pinglunyiguanbi.

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