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shawngao
V2EX  ›  Python

请教:Scrapy 抓取 ‘a/text()’中含有 <em></em>标签,如何保留 em 间的文字?

  •  
  •   shawngao · Sep 25, 2014 · 11162 views
    This topic created in 4242 days ago, the information mentioned may be changed or developed.
    参见例子:

    HTML:
    <a href="http://v2ex.com">网站<em>V2EX</em>是......</a>

    Scrapy:
    title_array = site.xpath('a/text()').extract()

    结果:
    ["网站","是......"]


    谢过先。
    5 replies    2014-09-25 18:58:56 +08:00
    Melodic
        2
    Melodic  
       Sep 25, 2014   ❤️ 1
    a//text()可以。

    但是如果前端写的不整齐,那么更好的办法是使用descendant轴来取所有子节点的文字

    a/descendant::text()
    shawngao
        3
    shawngao  
    OP
       Sep 25, 2014
    @yunchenran300
    @Melodic

    新手,非常感谢!
    Melodic
        4
    Melodic  
       Sep 25, 2014
    @shawngao 哼,原来楼主是搞ios的,只会python的掩面而泣
    shawngao
        5
    shawngao  
    OP
       Sep 25, 2014
    @Melodic 楼主东打一耙,西挥一棍,现在写代码有时语法都错乱了。尤其是Go与Python...
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