Backend Example in Rals for Angular (Rails Controller)

example_controller.rb

class StaffController < ApplicationController
  respond_to :json

  def index
    respond_with Staff.all
  end

  def show
    respond_with Staff.find(params[:id])
  end

  def create
    respond_with Staff.create(params[:staff])
  end

  def update
    respond_with Staff.update(params[:id], params[:staff])
  end

  def destroy
    respond_with Staff.destroy(params[:id])
  end
end