未初始化的常量ActiveRecord

Question

2.0.0-p247 :006 > load './app/models/user.rb'                                                                                                                                                     
NameError: uninitialized constant ActiveRecord                                                                                                                                                    
        from /home/action/iAuth/app/models/user.rb:1:in `<top (required)>'                                                                                                                        
        from (irb):6:in `load'                                                                                                                                                                    
        from (irb):6                                                                                                                                                                              
        from /home/action/.rvm/rubies/ruby-2.0.0-p247/bin/irb:13:in `<main>'   

以下是我的User Model.

class User < ActiveRecord::Base
end

当我尝试加载我的时候user.rb in my irb,我得到了上面的错误.

Answer 1

开始你的irb会话

rails console

并不是:

irb

rails console会rails为您加载您的环境和模型,因此您可以执行以下操作:

User.all或User.new没有加载class,因为它已经预加载由rails console已