進度條的顯示，重點是不能換行，因此需要sys.stdout.write和sys.stdout.flush()，以50個空格為乙個進度條，完成使用█，實現整體效果，如下圖**所示，是本人實現的延時進度條，流程處理進度條例項：
import sys
class
showprocess()
:#####延遲並提示進度
defsleepandshowprogress
(self, sleeptime, tips=
"add"):
d =0 sleeppertime=sleeptime/
10for data in
range(1
,11):
time.sleep(sleeppertime)
d +=
1 done =
int(
50* d /10)
sys.stdout.write(
"\r[%s%s] %d%% --[sleep %s s] [%s]"%(
'█'* done,
' '*(50
- done),10
* d, sleeptime, tips)
) sys.stdout.flush(
)####顯示普通進度條
defindexshowprogress
(self, index, maxval=
100, maxlenth =
50, tips=
"add"):
for data in
range(0
, maxval)
: done =
int(maxlenth * index / maxval)
percent_sum = index/maxval*
100 sys.stdout.write(
"\r[%s%s] %d%% --[sum:%d - index:%d] [%s]"%(
'█'* done,
' '*
(maxlenth - done)
, percent_sum, maxval, index, tips)
) sys.stdout.flush(
)#####顯示紅色進度條
defindexshowprogressred
(self, index, maxval=
100, maxlenth =
50, tips=
"add"):
for data in
range(0
, maxval)
: done =
int(maxlenth * index / maxval)
percent_sum = index/maxval*
100 sys.stdout.write(
"\r\033[31m[%s%s] %d%% --[sum:%d - index:%d] [%s]\033[0m"%(
'█'* done,
' '*
(maxlenth - done)
, percent_sum, maxval, index, tips)
) sys.stdout.flush(
)#####顯示綠色進度條
defindexshowprogressgreen
(self, index, maxval=
100, maxlenth =
50, tips=
"add"
, delaycurrent=
float(0
)):for data in
range(0
, maxval)
: done =
int(maxlenth * index / maxval)
percent_sum = index/maxval*
100if
(delaycurrent ==0)
: sys.stdout.write(
"\r\033[32m[%s%s] %d%%[sum:%d-index:%d][%s]\033[0m "%(
'█'* done,
' '*
(maxlenth - done)
, percent_sum, maxval, index, tips)
)else
: sys.stdout.write(
"\r\033[32m[%s%s] %d%%[sum:%d-index:%d][%s][延遲:%.2f]\033[0m "%(
'█'* done,
' '*
(maxlenth - done)
, percent_sum, maxval, index, tips, delaycurrent)
) sys.stdout.flush(
)
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