March 9th, 2016

How to make rest api in Rails5

$ rails new rails --version==5.0.0.beta3
$ rake db:migrate
$ rake db:create
$ rails g scaffold user name:string sex:integer address:string

add gem ‘active_model_serializers’ to Gemfile.rb

$ bundle install

routes.rb

namespace :api, { format: :json } do
  namespace :v1 do
    resources :users
  end
end

$ rails g controller api/v1/users
$ rails g serializer user

application_controller.rb

class ApplicationController < ActionController::Base
  protect_from_forgery with: :null_session
end

users_controller.rb

class Api::V1::UsersController < ApplicationController
  def index
    @users = User.all
    render json: @users
  end
end

user_serializer.rb

class UserSerializer < ActiveModel::Serializer
  attributes :id, :name, :sex, :address
end

first https://127.0.0.1:3000/users create some users

then https://127.0.0.1:3000/api/v1/users return json

衣服不破不丢，奋斗不死不休！

how to make rest api in rails5