周末在家，写了个小程序，用于将阿拉伯数字转换化大写中文。程序没经过任何优化，出没经过详细的测试，挂到网上，方便将来有需要的时候直接拿来用。
#!/usr/bin/python
#-*- encoding: utf-8 -*-
import types
class notintegererror(exception):
pass
class outofrangeerror(exception):
pass
_mapping = (u’零’, u’一’, u’二’, u’三’, u’四’, u’五’, u’六’, u’七’, u’八’, u’九’, )
_p0 = (u”, u’十’, u’百’, u’千’, )
_s4, _s8, _s16 = 10 ** 4 , 10 ** 8, 10 ** 16
_min, _max = 0, 9999999999999999
def _to_chinese4(num):
”’转换[0, 10000)之间的阿拉伯数字
”’
assert(0 = 10:
lst.append(num % 10)
num = num / 10
lst.append(num)
c = len(lst) # 位数
result = u”
for idx, val in enumerate(lst):
if val != 0:
result += _p0[idx] + _mapping[val]
if idx < c - 1 and lst[idx + 1] == 0:
result += u'零'
return result[::-1].replace(u'一十', u'十')
def _to_chinese8(num):
assert(num < _s8)
to4 = _to_chinese4
if num < _s4:
return to4(num)
else:
mod = _s4
high, low = num / mod, num % mod
if low == 0:
return to4(high) + u'万'
else:
if low < _s4 / 10:
return to4(high) + u'万零' + to4(low)
else:
return to4(high) + u'万' + to4(low)
def _to_chinese16(num):
assert(num < _s16)
to8 = _to_chinese8
mod = _s8
high, low = num / mod, num % mod
if low == 0:
return to8(high) + u'亿'
else:
if low < _s8 / 10:
return to8(high) + u'亿零' + to8(low)
else:
return to8(high) + u'亿' + to8(low)
def to_chinese(num):
if type(num) != types.inttype and type(num) != types.longtype:
raise notintegererror(u'%s is not a integer.' % num)
if num < _min or num > _max:
raise outofrangeerror(u’%d out of range[%d, %d)’ % (num, _min, _max))
if num < _s4:
return _to_chinese4(num)
elif num < _s8:
return _to_chinese8(num)
else:
return _to_chinese16(num)
if __name__ == '__main__':
print to_chinese(9000)