Ruby http request and response sample

http_req_and_res_sample.rb

require 'net/http'
require 'uri'
require 'nokogiri'

# Assign URI to request.
uri = URI.parse("http://abc.def/ghi")

http = Net::HTTP.new(uri.host, uri.port)

request = Net::HTTP::Post.new(uri.request_uri)

# Set request parameters
request.set_form_data({"param1" => param1_value, "param2" => "param2_value"})

# Request & response
response = http.request(request)

# Print response body
p response.body

# Parsing HTML with Nokogiri
page = Nokogiri::HTML(response.body)
page.css("#some_css_class_to_find").each do |some_element|
  p << some_element
end