Python converts numbers to Chinese

Python converts numbers to Chinese

This article mainly introduces how to convert numbers into Chinese Characters in Python. It is generally used to convert numbers into Chinese capital, that is, to convert Arabic numerals into Chinese capital. For more information, see

At home on weekends, I wrote a small program to convert Arabic numerals into uppercase Chinese. The program has not been optimized, and has gone through detailed tests. It is mounted to the internet for use directly when necessary in the future.

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#! /Usr/bin/python #-*-Encoding: UTF-8 -*-   Import types   Class NotIntegerError (Exception ): Pass   Class OutOfRangeError (Exception ): Pass   _ MAPPING = (u '0', u '1', u '2', u '3', u '4', u '5', u '6 ', u '7', u '8', u '9 ',) _ P0 = (u'', u'10', u'100', u'kil ',) _ S4, _ S8, _ S16 = 10 ** 4, 10 ** 8, 10 ** 16 _ MIN, _ MAX = 0, 9999999999999999   Def _ to_chinese4 (num ): ''' Converts Arabic numerals between 0 and 10000. ''' 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) # digits 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'0'   Return result [:-1]. replace (u'110', u'10 ')   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'wan' Else: If low <_ S4/10: Return to4 (high) + u'ten thousand 0' + to4 (low) Else: Return to4 (high) + u'wan' + 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'100' Else: If low <_ S8/10: Return to8 (high) + u 'yi0' + to8 (low) Else: Return to8 (high) + u'100 '+ 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)