使用Nokogiri获取页面Keywordsrequire rubygemsrequire nokogiridoc Nokogiri::HTML(htmlheadm
使用Nokogiri获取页面Keywords
require 'rubygems'require 'nokogiri'doc =Nokogiri::HTML("<html><head><meta name="Keywords" content="one, two, three"></head><body></body></html>")doc.xpath("//meta[@name='Keywords']/@content").each do|attr| puts attr.valueend