The Road goes ever on and on

require 'digest/md5'
require 'net/http'
require 'open-uri'
require 'iconv'
 
#获得当前时间
t = Time.new();
 
#组装参数
paramArray = {
	#组装协议参数
  'app_key'=>'test',
  'method'=>'taobao.taobaoke.items.get',
  'format'=>'json',
  'v'=>'2.0',
  'timestamp'=>t.strftime("%Y-%m-%d %H:%M:%S"),
  #组装应用参数
  'fields'=>'iid,title,nick,pic_url,price',
  'pid' => 'mm_5410_0_0',
  'cid' => '1512',
  'page_no' => '1',
  'page_size' => '20'
}
#生成签名
def sign(params)
  Digest::MD5.hexdigest(params.sort().collect{|key,value| key+value}.join).upcase
end
 
#组装请求参数
def createRequestParam(params)
  params.sort().collect{|key,value| key+"="+value+"&"}.join
end
 
#URL encode
def URLEncode(str)
	return str.gsub!(/[^\w$&\-+.,\/:;=?@]/) { |x| x = format("%%%x", x[0])}
end
 
#把str的编码转化为GBK编码
def to_gbk(str)
	Iconv.iconv("GBK//IGNORE","UTF-8//IGNORE",str).to_s
end 
 
url = 'http://gw.api.tbsandbox.com/router/rest?'
url << createRequestParam(paramArray) << 'sign=test' << sign(paramArray)
parsedURL = URI.parse(URLEncode(url))
                  
puts parsedURL
#请求生成的URL，把结果输出
Net::HTTP.version_1_2
open(parsedURL) do |http|
  # puts to_gbk(http.read)
  puts http.read
end