我的用户模型中没有 created_at 列
=> ["id", "email", "encrypted_password", "reset_password_token", "reset_password_sent_at", "remember_created_at", "sign_in_count", "current_sign_in_at", "last_sign_in_at", "current_sign_in_ip", "last_sign_in_ip"]
所以我创造了它。但是我不知道在创建新用户时可以在 created_at 列中添加时间戳的位置。有任何想法吗?谢谢~
│ ├── users
│ │ ├── _form.html.haml
│ │ ├── _user.html.erb
│ │ ├── create.js.erb
│ │ ├── edit.html.erb
│ │ ├── index.html.haml
│ │ ├── new.html.erb
│ │ ├── runtime_update_user.js.erb
│ │ └── show.html.erb