Python中文轉數字（整數，小數，純數字通用版）

chinese_number_dict =

not_in_decimal =
"十百千萬億點"
defch2num
(chstr):if
'點'not
in chstr:
return ch2round(chstr)
splits = chstr.split(
"點")
iflen
(splits)!=2
:return splits
rount = ch2round(splits[0]
)    decimal = ch2decimal(splits[-1
])if rount is
notnone
and decimal is
notnone
:return
float
(str
(rount)
+"."
+str
(decimal)
)else
:return
none
defch2round
(chstr)
:    no_op =
true
iflen
(chstr)
>=2:
for i in chstr:
if i in not_in_decimal:
no_op =
false
else
:        no_op =
false
if no_op:
return ch2decimal(chstr)
result =
0    now_base =
1    big_base =
1    big_big_base =
1    base_set =
set(
)    chstr = chstr[::
-1]for i in chstr:
if i not
in chinese_number_dict:
return
none
if chinese_number_dict[i]
>=10:
if chinese_number_dict[i]
> now_base:
now_base = chinese_number_dict[i]
elif now_base >= chinese_number_dict[
"萬"]
and now_base < chinese_number_dict[
"億"]
and chinese_number_dict[i]
> big_base:
now_base = chinese_number_dict[i]
* chinese_number_dict[
"萬"]
big_base = chinese_number_dict[i]
elif now_base >= chinese_number_dict[
"億"]
and chinese_number_dict[i]
> big_big_base:
now_base = chinese_number_dict[i]
* chinese_number_dict[
"億"]
big_big_base = chinese_number_dict[i]
else
:return
none
else
:if now_base in base_set and chinese_number_dict[i]!=0
:return
none
result = result + now_base * chinese_number_dict[i]
base_set.add(now_base)
if now_base not
in base_set:
result = result + now_base *
1return result
defch2decimal
(chstr)
:    result =
""for i in chstr:
if i in not_in_decimal:
return
none
if i not
in chinese_number_dict:
return
none
result = result +
str(chinese_number_dict[i]
)return
int(result)
if __name__ ==
"__main__"
:print
(ch2num(
"一萬三千零二十"))
print
(ch2num(
"一萬三千兩百二十"))
print
(ch2num(
"兩百五十三"))
print
(ch2num(
"三十二"))
print
(ch2num(
"二")
)print
(ch2num(
"二二三五七"))
print
(ch2num(
"十")
)print
(ch2num(
"百")
)print
(ch2num(
"十二點五"))
print
(ch2num(
"三點一四一五九二六"))
print
(ch2num(
"三千五百億一千三百二十五萬四千五百六十九點五八三四三九二九一"
))

output:

13020
13220
25332
222357
10100
12.5
3.1415926
350013254569.58344

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