在我有这样的结构之前：

app/models/user.rb
app/models/user_info.rb
app/models/user_file.rb
...

所以我将所有user_模型移动到用户子文件夹,如下所示：

app/models/user.rb
app/models/user/info.rb
app/models/user/file.rb
...

并将其定义改为

class User::Info < ActiveRecord::Base
class User::File < ActiveRecord::Base
...

用户模型未更改(关联除外).

除了User :: File模式,一切都可以正常工作.当我试图访问这个模型,我得到以下错误：

warning: toplevel constant File referenced by User::File

确实它返回标准的ruby File类.

我做错了什么？

UPD1：

root# rails c
Loading development environment (Rails 3.2.13)
2.0.0p195 :001 > User::File
(irb):1: warning: toplevel constant File referenced by User::File
 => File
2.0.0p195 :002 > User::Info
 => User::Info(...)

UPD2：

2.0.0p195 :001 > User::SomeModel
NameError: uninitialized constant User::SomeModel
2.0.0p195 :002 > User::IO
(irb):2: warning: toplevel constant IO referenced by User::IO
 => IO 
2.0.0p195 :003 > User::Kernel
(irb):3: warning: toplevel constant Kernel referenced by User::Kernel
 => Kernel

我的应用程序没有任何IO或内核类,除了ruby默认.

UPD3：

# app/models/user.rb
class User < ActiveRecord::Base
  has_many :files,class_name: 'User::File'
  ..
end

# app/models/user/file.rb
class User::File < ActiveRecord::Base
  belongs_to :user
  # some validations,nothing serIoUs
end