用红宝石从数组内部访问哈希的简便方法

问题描述

| 我正在使用ruby从Google地理编码API获取一些地址信息。我得到返回的JSON并将其解析为一个包含哈希的数组的变量。 在解析完json之后，它看起来像这样

{\"status\"=>\"OK\",\"results\"=>
  [{\"address_components\"=>
     [{\"long_name\"=>\"XXX\",\"types\"=>[\"street_number\"],\"short_name\"=>\"XXX\"},{\"long_name\"=>\"St Georges Terrace\",\"types\"=>[\"route\"],\"short_name\"=>\"St Georges Terrace\"},{\"long_name\"=>\"Perth\",\"types\"=>[\"locality\",\"political\"],\"short_name\"=>\"Perth\"},{\"long_name\"=>\"Western Australia\",\"types\"=>[\"administrative_area_level_1\",\"short_name\"=>\"WA\"},{\"long_name\"=>\"Australia\",\"types\"=>[\"country\",\"short_name\"=>\"AU\"},{\"long_name\"=>\"6000\",\"types\"=>[\"postal_code\"],\"short_name\"=>\"6000\"}],\"types\"=>[\"street_address\"],\"geometry\"=>
 {\"location_type\"=>\"ROOFTOP\",\"viewport\"=>
   {\"northeast\"=>{\"lng\"=>115.86768092068,\"lat\"=>-31.9540383793198},\"southwest\"=>{\"lng\"=>115.86138567932,\"lat\"=>-31.9603336206802}},\"location\"=>{\"lng\"=>115.8645333,\"lat\"=>-31.957186}},\"formatted_address\"=>\"XXX St Georges Terrace,Perth WA 6000,Australia\"}]}

我的红宝石看起来像这样

require \'rubygems\'
require \'json\'
require \'open-uri\'
require \'pp\'

@url = \"http://maps.googleapis.com/maps/api/geocode/json?address=PERTH+XXX+St+Georges+Terrace,+Western+Australia&sensor=false\"

uri = URI.parse(@url)
json = uri.open.read

parsed_json = JSON.parse(json)

pp parsed_json

hashjes和数组的混合使我在Ruby中感到困惑。我希望将信息提取到一个哈希中，看起来像这样 结果= {\“ address_line_one \” => \“ XXX St Georges Terrace \”，\“ address_line_two \” => \“珀斯\”，\“ state \” => \“西奥地利” \“邮政编码” \ “ => \” 6000 \“} 谢谢     

解决方法

        

j = parsed_json
a = j[\'results\'][0][\'address_components\'].map { |e| e[\'long_name\'] }

p(
  { \'address_line_one\' => a[0..1].join(\' \'),\'address_line_two\' => a[2],\'state\'            => a[3],\'postal_code\'      => a[5] }
)