求教 Python 里面处理 unicode 的问题 - V2EX
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wzyefd

求教 Python 里面处理 unicode 的问题

  •  
  •   wzyefd May 29, 2015 3435 views
    This topic created in 3990 days ago, the information mentioned may be changed or developed.

    问题是这样的

    我有一个dict叫content.
    其中 content['title']的值是'aaaa\u2019bbbb'
    我该如何把它转换成"aaaa'bbbb"

    尝试了
    python
    text=content['title']
    result=re.search(r'(\\u\d\d\d\d)',text)
    utf8_value=result.encode('utf-8')
    final=re.sub(r'\\u\d\d\d\d',utf8_value,text)

    本想用 u'aaaa\u2019bbbb'.encode('utf-8'),但是这里不知道该怎样写出u'aaaa\u2019bbbb',尝试了(u'%s' % result).encode('utf-8'),没有用

    7 replies    2015-05-29 17:36:36 +08:00
    bottleimp
        1
    bottleimp  
       May 29, 2015
    不明白你说的意思, 不是直接就可以吗, python2.7
    ```
    In [4]: s = u'aaaa\u2019bbbb'

    In [5]: s
    Out[5]: u'aaaa\u2019bbbb'

    In [6]: print s
    aaaa’bbbb
    ```
    Sylv
        2
    Sylv  
       May 29, 2015 via iPhone
    'aaaa\u2019bbbb'.decode('unicode_escape')

    字符串中的 '\u2019' 并不是一个 Unicode 字符,而是 6 个字符
    yahoo21cn
        3
    yahoo21cn  
       May 29, 2015
    content['title'] = content['title'].replace(u"’", u"'")
    wzyefd
        4
    wzyefd  
    OP
       May 29, 2015
    @bottleim
    @Sylv
    @yahoo21cn

    恩,找到原因是,确实\u2019是"’"而不是"'"
    fzinfz
        5
    fzinfz  
       May 29, 2015
    unicode还是用PY3吧。。。
    ming2281
        6
    ming2281  
       May 29, 2015
    =>使用Python3.x
    =>全部使用Unicode, 如 name = u"lucy" regx_pattern = ur"xx"
    =>使用utf-8编码当做桥梁

    其中第三种方法在Python2中非常好,需要首先了解字符编码问题
    imn1
        7
    imn1  
       May 29, 2015
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