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Python實現把數字轉換成中文

   這篇文章主要介紹了Python實現把數字轉換成中文,一般用於數字金額轉中文大寫金額,即將阿拉伯數字轉換為大寫的中文,需要的朋友可以參考下

  周末在家,寫了個小程序,用於將阿拉伯數字轉換化大寫中文。程序沒經過任何優化,出沒經過詳細的測試,掛到網上,方便將來有需要的時候直接拿來用。

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 #!/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): '''轉換[0, 10000)之間的阿拉伯數字 ''' assert(0 <= num and num < _S4) if num < 10: return _MAPPING[num] else: lst = [ ] while num >= 10: lst.append(num % 10) num = num / 10 lst.append(num) c = len(lst) # 位數 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'萬' else: if low < _S4 / 10: return to4(high) + u'萬零' + to4(low) else: return to4(high) + u'萬' + 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'億' else: if low < _S8 / 10: return to8(high) + u'億零' + to8(low) else: return to8(high) + u'億' + 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)  
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