joke.rb

糗事百科爬虫

#!/usr/bin/env ruby

require 'nokogiri'
require 'open-uri'

class Joke
	attr_reader :doc, :next, :res
	def initialize(url, n)
		@res = []
		while n > 0
			@doc = Nokogiri::HTML(open(url))
			@next = url + @doc.css('.next')[0]['href']		
			@res += self.getJokes
			n -= 1
		end
	end
	def getJokes
		arr = []
		@doc.css('.col1 .block .content').each do |content|
			arr.push(content.content.strip)
		end
		arr
	end
end

first = Joke.new('http://www.qiushibaike.com', 30)
first.res.each_with_index do |content, index|
	puts index, content, "\n"
end