Ruby on rails 创建新对象模型时出错
我在Rails中创建了一个用户模型，但当我进入Rails控制台并键入User时，它会显示一个错误，上面写着“=>User（无数据库连接）”。您可以查看下面的Rails控制台日志Ruby on rails 创建新对象模型时出错,ruby-on-rails,Ruby On Rails,我在Rails中创建了一个用户模型，但当我进入Rails控制台并键入User时，它会显示一个错误，上面写着“=>User（无数据库连接）”。您可以查看下面的Rails控制台日志 salmanalam@ubuntu:~/rails_projects/sample_app$ cd .. salmanalam@ubuntu:~/rails_projects$ cd midexam salmanalam@ubuntu:~/rails_projects/midexam$ rails c Loading d
salmanalam@ubuntu:~/rails_projects/sample_app$ cd ..
salmanalam@ubuntu:~/rails_projects$ cd midexam
salmanalam@ubuntu:~/rails_projects/midexam$ rails c
Loading development environment (Rails 4.0.2)
Couldn't load interactive_editor: cannot load such file -- interactive_editor
Couldn't load awesome_print: cannot load such file -- awesome_print
2.0.0-p353 :001 > User
=> User(no database connection)
2.0.0-p353 :002 > ^C
2.0.0-p353 :002 >
您是否尝试过运行查询 e、 g.
User.count