Railsで、画像をアップロード、ダウンロードするREST API - Qiitaclass ImagesController < ApplicationController def show image = Image.find(params[:id]) render json: image, except: [:data] end def create image = Image.new image.tag = params[:tag] image.save! render json: image, except: [:data] end def download image = Image.find(params[:id]) send_data image.data, type: "image/png", disposition: 'inline' end def upload image = Image.find(params[:id]) image.data
