Ruby:如何使用 Nokogiri 从 XML 获取属性值? [英] Ruby: How do I get attribute values from XML with Nokogiri?

问题描述

如何获取消息值的值(准备使用")?

How to get the value of the message value ("ready to use")?

<?xml version="1.0" encoding="UTF-8"?>
<response status="ok" permission_level="admin" message="ready to use" cached="0">
<title>kit</title>
</response>

谢谢

推荐答案

require 'rubygems'
require 'nokogiri'

string = %Q{
  <?xml version="1.0" encoding="UTF-8"?>
  <response status="ok" permission_level="admin" message="ready to use" cached="0">
  <title>kit</title>
  </response>
}

doc = Nokogiri::XML(string)
doc.css("response").each do |response_node|
  puts response_node["message"]
end

保存并运行这个ruby文件，你会得到结果:

save and run this ruby file, you will get result:

#=> ready to use

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