本地XML文件如下：

解析XML代码：

require 'rexml/document'
include REXML              

file = File.new("d://yahoodemo.xml")

doc = Document.new(file)
titles  = []
 links   = []

doc.elements.each('ResultSet/Result/Title') do |ele|       #获取Title值
   titles << ele.text
 end
 
doc.elements.each('ResultSet/Result/Url') do |ele|      #获取Url值
   links << ele.text
end

# print all events
titles.each_with_index do |title, idx|
   print "#{title} => #{links[idx]}\n"           # 打印信息
end

输出结果：

Madonna => http://www.madonna.com/
Madonna (entertainer) - Wikipedia, the free encyclopedia => http://en.wikipedia.org/wiki/Madonna_(entertainer)