class FindCity CityHash = JSON.parse curl http://api.t.sina.com.cn/provinces.json def initialize

@cityhash=CityHash
@municipality=[6,11,12,50,81,82]

end def getcity(province_id=nil, city_id=nil)

province_id.to_i
city_id.to_i
if @municipality.include? province_id
  @cityhash["provinces"].each do |provinces|
    if provinces["id"] == province_id
      return provinces["name"]
    end
  end
else
  @cityhash["provinces"].each do |provinces|
    if provinces["id"] == province_id
      provinces["citys"].each do |city|
        return city[city_id.to_s] if city[city_id.to_s]
      end
    end
  end
end
return nil

end end

if FILE==$0 #*******以下测试代码 time_start = Time.now city = FindCity.new list=[[6,2],[11,1],[43,2]]

list.each do |l|

puts city.getcity l[0],l[1]

end