atm_rails：使用Grape on Rails的ATM Api

ATM API 安装指南 克隆仓库 转到克隆的atm_rails文件夹 运行bundle install 运行rails db:create 运行rails db:migrate 运行rails db:seed rails s （可选）运行rspec来检查测试 测试API尝试下一个请求 # request to add money to ATM PUT /api/v1/atms/1/add_banknotes, params: { banknotes: { '5': 3, '10': 4, '25': 5, '50': 6 } } # request to withdraw money from ATM PUT /api/v1/atms/1/add_withdraw_banknotes, params: { amount: