Python 处理各种编码的字符串，python编码字符串,Unicode2.py#

Python 处理各种编码的字符串，python编码字符串,Unicode2.py#

Unicode2.py

# file: Unicode2.py# -*- coding: utf-8 -*-import chilkat # The CkString object can handle any character encoding.s1 = chilkat.CkString()# The appendEnc method allows us to append a string in any encoding.s1.appendEnc('èéêëabc','utf-8')# If you're working with different encodings, you may wish# to name your string variables to reflect the encoding.strAnsi = s1.getAnsi()strUtf8 = s1.getUtf8()# Prints "7"print len(strAnsi)# Prints "11"print len(strUtf8)# getNumChars returns the number of charactersprint 'Num Chars: ' + str(s1.getNumChars())# utf-8 chars do not have a constant number of bytes/char.# A single utf-8 char is represented in 1 to 6 bytes.print 'utf-8: ' + str(s1.getSizeUtf8())# ANSI is typically 1 byte per/char, but for some languages# such as Japanese, ANSI equates to a character encoding that may# not be 1 byte/char.  (Shift_JIS is the ANSI encoding for Japanese)print 'ANSI: ' + str(s1.getSizeAnsi())# Let's create an English/Japanese string.s2 = chilkat.CkString()s2.appendEnc('abc愛知県新城市の','utf-8')# We can get the string in any multibyte encoding.print 's2 num chars = ' + str(s2.getNumChars())strShiftJIS = s2.getEnc('shift_JIS')print 'Shift-JIS num bytes = ' + str(len(strShiftJIS))strIso2022JP = s2.getEnc('iso-2022-jp')print 'iso-2022-jp num bytes = ' + str(len(strIso2022JP))strEucJp = s2.getEnc('euc-jp')print 'euc-jp num bytes = ' + str(len(strEucJp))# We can save the string in any encodings2.saveToFile('out_shift_jis.txt','shift_JIS')s2.saveToFile('out_iso_2022_jp.txt','iso-2022-jp')s2.saveToFile('out_utf8.txt','utf-8')s2.saveToFile('out_euc_jp.txt','euc-jp')# You may mix any number of languages in a utf-8 string# because utf-8 can encode characters in all languages.# (utf-8 is the multi-byte encoding of Unicode)## An ANSI string can generally hold us-ascii + the native language.# For example, Shift_JIS can represent us-ascii characters# in addition to Japanese characters.# For example, this is OKstrShiftJis = 'abc123' + s2.getEnc('shift_JIS')# This is not OK:strShiftJis2 = 'ςστυφ' + s2.getEnc('shift_JIS')print "Done!"