[Swift] AlamofireでApiを叩いて、SwiftyJSONでレスポンスデータを展開する ref: http://qiita.com/tsumekoara/items/9bbb429f41e40c76882c

file0.swift

import UIKit
import Alamofire
import SwiftyJSON
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        Alamofire.request(.GET, "http://foo.com/api/v1/bar/1", parameters: ["foo": "bar"])
        .response { (request, response, data, error) in
            println(request)
            println(response)
        }
        .responseJSON { (_, _, json_data, _) in
            println(json_data)
            let json = JSON(json_data!)
            println(json)
            println(json["bar"])
            println(json["bar"]["hoge_id"])
        }
    }
}

json

{
  "bar" : {
    "id" : 1,
    "created_at" : "2015-07-01T12:25:41.438+09:00",
    "updated_at" : "2015-07-01T12:25:41.438+09:00",
    "hoge_id" : 1
  }
}

json["bar"]

  "id" : 1,
  "created_at" : "2015-07-01T12:25:41.438+09:00",
  "updated_at" : "2015-07-01T12:25:41.438+09:00",
  "hoge_id" : 1

json["bar"]["hoge_id"]

1

json_data

Optional({
    bar =     {
        "created_at" = "2015-07-01T12:25:41.438+09:00";
        id = 1;
        "updated_at" = "2015-07-01T12:25:41.438+09:00";
        "hoge_id = 1"
    };
})

request

<NSMutableURLRequest: 0x7fab3b28b720> { URL: http://foo.com/api/v1/bar/1?foo=bar }

response

Optional(<NSHTTPURLResponse: 0x7fab38d60bc0> { URL: http://foo.com/api/v1/bar/1?foo=bar } { status code: 200, headers {
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    "Cache-Control" = "max-age=0, private, must-revalidate";
    Connection = "keep-alive";
    "Content-Type" = "application/json; charset=utf-8";
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} })