python 字符编码转换
>>> a = u'\xb2\xe2\xca\xd4' >>> b = a.encode('raw_unicode_escape') >>> print b 测试 >>> c = a.encode('latin1') >>> print c 测试
unicode.encode(text, encoding='utf-8')
decode('unicode-escape')
decode('unicode-escape').encode('utf-8')
https://www.cnblogs.com/zejin2008/p/6861800.html