我是RoR的新手,仍在玩关联。我需要在另一个模型中有两个对特定模型的引用。脚手架的代码不起作用,我得到一个“未初始化的常量”错误。在一张表中为同一张表的两个外键的Rails关联
代命令:
script/generate scaffold BaseModel name:string
script/generate scaffold NewModel name:string base1:references base2:references
db:migrate
生成的模型:
class NewModel < ActiveRecord::Base
belongs_to :base1
belongs_to :base2
end
和
class BaseModel < ActiveRecord::Base
has_many :new_models # I added this line
end
当我尝试在/new_models/new
创建new_model,我想无论是ID和姓名的BaseModel,但它不起作用。我得到的错误是:
uninitialized constant NewModel::Base1
我猜它映射的名字,所以在我创建的方法,我想明确地设置BaseModel实例:
@new_model = NewModel.new(params[:new_model])
@base1 = BaseModel.find(1) # this exists
@base2 = BaseModel.find(2) # this exists
@new_model.base1 = @base1 # This throws the same error as above
有什么我失踪?