[WP/1438] JSON 을 파싱하는 방법

0.rb

require "net/http"
require "json"

uri = URI("https://api.spotify.com/v1/search?type=artist&q=tycho")

# get_response 를 이용하는 방법
response = Net::HTTP.get_response(uri)

puts response                   # <Net::HTTPOK:0x007fbe2b054880>
puts response.body              # String
puts JSON.parse(response.body)  # Hash

# get 을 이용하는 방법
# response = Net::HTTP.get(uri)
# puts JSON.parse(response)       # Hash

1.rb

require "json"

json = File.read("./slack.json", :external_encoding => "UTF-8")     # String
obj = JSON.parse(json)                                              # Hash

obj.each do |key, value|
    if key.eql? "results"                                           # Array
        value.each do |user|
            puts "slack_id : #{user["slack_id"]}, name : #{user["name"]}"
        end
    end
end