python实现百分比和进度条
就是利用\r回车不换行。import os,sys,string
import time
def view_bar(num=1, sum=100, bar_word=":"):
rate = float(num) / float(sum)
rate_num = int(rate * 100)
print '\r%d%% :' %(rate_num),
for i in range(0, num):
os.write(1, bar_word)
sys.stdout.flush()
if __name__ == '__main__':
for i in range(0, 100):
time.sleep(0.1)
view_bar(i, 100)
页:
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