ruby 使用Nokogiri的简单Ruby刮刀

Posted 2021-05-16

require 'nokogiri'
require 'open-uri'

def printTopics(url)
	data = Nokogiri::HTML(open(url))
	data.css(".summary").each do |item|
		puts item.css(".relativetime").text.ljust(20, '.') + item.css("h3 .question-hyperlink").text
	end
end

printTopics("http://stackoverflow.com/questions/tagged/ruby?sort=newest&pageSize=10")