Method: Query::Engine::Qihu.related_keywords

Defined in:
lib/query/engine/qihu.rb 


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# File 'lib/query/engine/qihu.rb', line 21

def self.related_keywords(wd)
    url = "http://rs.so.com/?callback=Search.relate.render&encodein=utf-8&encodeout=utf-8&q="+URI.encode(wd)
    # uri = URI.join("http://#{Host}/",URI.encode('s?q='+wd)).to_s
    page = HTTParty.get(url)
    json_str = page.body
    json_str = json_str.split("(")[1]
    return nil if json_str.nil?
    json_str = json_str.delete(');').strip
    parsed_json = JSON.parse(json_str)
    # each
    # parsed_json.map { |q| p q['q']}
    @related_keywords = parsed_json.map { |q| q['q'] }
    # @related_keywords ||= @page.search("//div[@id=\"rs\"]//tr//a").map{|keyword| keyword.text}
end