Module: ZipcodeZhCn

Defined in:
lib/zipcode_zh_cn.rb,
lib/zipcode_zh_cn/version.rb

Constant Summary collapse

ApiHost = 
"http://opendata.baidu.com/"
ApiAction = 
"/post/s"
ApiUrl = 
ApiHost + ApiAction
DefaultParams = 
{:rn => 1, :ie => "utf-8"}.freeze
DefaultZipCode = 
""
VERSION = 
"0.1.2"

Class Method Summary collapse

Class Method Details

.get_zipcode(addr, http = HTTP) ⇒ Object

get zipcode by address string



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# File 'lib/zipcode_zh_cn.rb', line 13

def self.get_zipcode(addr, http = HTTP)
  #special handle
  addr.gsub!('省直辖行政单位','')
  addr.gsub!('省直辖县级行政单位','')
  addr.gsub!('自治区直辖县级行政区划','')
  addr.gsub!('省直辖县级行政区划','')
  addr.gsub!("广东省广州市越秀区", "广州市越秀区")
  addr.gsub!("广西壮族自治区南宁市西乡塘区", "南宁市西乡塘区")

  params = {:wd => addr}.merge(DefaultParams)
  zipcode = DefaultZipCode
  try_count = 0
  begin
    try_count += 1
    res = http.get(ApiUrl, :params => params).flush

    if res.code == 200
      doc = Nokogiri::HTML.parse(res.body, nil, "gbk")
      first_e = doc.xpath("//section//article//ul//li//a").first
      zipcode = first_e.text.split(" ").last if first_e
      if zipcode == DefaultZipCode
        element = doc.xpath("//section//article//table//tr//td").first
        zipcode = element.text if element
      end

      if zipcode.length != 6
        puts "没有找到您要的邮编"
      end
    end
  rescue Exception => e
    if try_count < 6
      http.close if http
      http = HTTP.persistent ApiHost
      sleep(try_count)
      retry
    end
  end

  zipcode
end