gistfile1.rb

# orig http://open.taobao.com/demo/RubyDemo.rb

#此DEMO的功能：查询手机类的淘客商品
require 'digest/md5'
require 'open-uri'
require 'cgi'

#组装参数
param_array = {
  #组装协议参数
  'app_key'=>'test',
  'method'=>'taobao.taobaoke.items.get',
  'format'=>'xml',
  'v'=>'1.0',
  'timestamp'=>Time.now.strftime("%Y-%m-%d %H:%M:%S"),
  #组装应用参数
  'fields'=>'iid,title,nick,pic_url,price,click_url',
  'pid' => 'mm_5410_0_0',
  'cid' => '1512',
  'page_no' => '1',
  'page_size' => '6'
}

#生成签名
def sign(param,sercetCode)
  Digest::MD5.hexdigest(([sercetCode] + param.sort.flatten).join).upcase
end

param_array['sign'] = sign(param_array,'test')
url = 'http://gw.sandbox.taobao.com/router/rest?'
#构建参数
url = url + param_array.map{|p| "#{p[0]}=#{CGI.escape p[1]}"}.join('&')

open(url) do |http|
  p http.read
end