集成访问 ShopQi API 的功能，支持以 ShopQi 用户身份登录
$ echo "gem 'shopqi-app'" >> Gemfile
$ bundle
$ rails g shopqi_app client_id client_secret
$ bundle exec rake db:create db:migrate # 生成 Shop 商店实体
client_id, client_secret 在注册 Application 后显示，注册时 REDIRECT URI 填写 localhost:3000/callback
如需修改 scope, 请打开 config/app_secret_config.yml
defaults: &defaults
oauth:
client_id: 'dffd069fa92096022628a1f7eb174bc85d90278b8c90ec7ebadfbd94924bd2b8'
secret: 'e1805141c81c496e4779371f41263c9f74ac2ffd3728302296b8af10b64d9c9b'
scope: 'read_products read_orders'
redirect_uri: 'http://localhost:3000/callback'
启动应用服务
$ rails s