require 'rubygems' require 'mechanize'

a = Mechanize.new { |agent| agent.user_agent_alias = 'Mac Safari' }

a.get('http://google.com/') do |page| search_result = page.form_with(:name => 'f') do |search| search.q = 'Hello world' end.submit

search_result.links.each do |link| puts link.text puts link.page end end

do ... end.submit 是什么语法