引入nokogiri XML解析使用Rails

我看了好多TUTS，但this一個似乎已經得到了我在哪裏，我引入nokogiri XML解析使用Rails

控制器

def index 
     require 'nokogiri' 
     doc = Nokogiri::XML(open("http://sports.yahoo.com/top/rss.xml")) 

     @links = doc.xpath('//item').map do |i| 
     {'title' => i.xpath('title'), 'link' => i.xpath('link'), 'description' => i.xpath('description')} 
     end 
    end

視圖

<ul> 
    <%= debug @links.each.first %> 
</ul>

調試出來把

{"title"=>[#<Nokogiri::XML::Element:0x8199ce34 name="title" children=[#<Nokogiri::XML::Text:0x8199c6f0 "Kolb to get start for Eagles vs. Falcons (AP)">]>], "description"=>[#<Nokogiri::XML::Element:0x8199b660 name="description" children=[#<Nokogiri::XML::Text:0x8199a594 "Kevin Kolb will make his second straight start in place of the injured Michael Vick when the Philadelphia Eagles host Atlanta on Sunday. Eagles coach Andy Reid says Vick practiced Friday for the first time since sustaining a rib cartilage injury on Oct. 3. There's a chance Vick will be the backup quarterback against his former team.">]>], "link"=>[#<Nokogiri::XML::Element:0x81999f40 name="link" children=[#<Nokogiri::XML::Text:0x81999b58 "http://us.rd.yahoo.com/sports/rss/top/SIG=11npql9k5/*http%3A//sports.yahoo.com/nfl/news?slug=ap-eagles-qbs">]>]}

我需要的是循環鏈接數組並訪問哈希標題和鏈接，但我不知道該怎麼做。

來源

2010-10-15 s84

如果我的理解正確，你只需要從xpath節點獲取內部文本。

{'title' => i.xpath('title').inner_text, 
'link' => i.xpath('link').inner_text, 
'description' => i.xpath('description').inner_text 
}

.......

來源

2010-10-15 19:18:03 dj2

:) - 這是它 – s84 2010-10-15 19:20:05

感謝'inner_text';） – 2012-06-19 01:42:58

引入nokogiri XML解析使用Rails

回答

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