sudo gem install mechanize

require 'rubygems'
require 'mechanize'
agent = Mechanize.new
page = agent.get('http://google.com/')

page = agent.page.link_with(:text => 'News').click

google_form = page.form('f')
google_form["q"] = 'ruby mechanize'
page = agent.submit(google_form, google_form.buttons.first)
pp page

table = page.search('a')
text = table.inner_text
puts text

cookie = Mechanize::Cookie.new("JSESSIONID", "BA58528B76124698AD033EE6DF12B986:-1")
cookie.domain = "datamirror.csdb.cn"
cookie.path = "/"
agent.cookie_jar.add!(cookie)

agent.get("http://google.com").save_as