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我试图让联结表工作。 我有三种模式:专业,技能和交叉参考表专业技能。Rails联结表名称错误
的专业模型
class Professional < ActiveRecord::Base
has_many :professionals_skills
has_many :skills, :through => :professionals_skills
end
的技能模型
class Skill < ActiveRecord::Base
has_many :professionals_skills
has_many :professionals, :through => :professionals_skills
end
的交叉引用表
class ProfessionalsSkills < ActiveRecord::Base
belongs_to :professional
belongs_to :skill
end
在Rails控制台
irb(main):005:0* @x = Professional.find(1)
Professional Load (0.1ms) SELECT "professionals".* FROM "professionals" WHERE "professionals"."id" = ? LIMIT 1 [["id", 1]]
=> #<Professional id: 1, gender: 1, first_name: "Goofy", last_name: "Muff", date_of_birth: "1985-07-20 00:00:00", email_address: "[email protected]", city_id: 1, created_at: "2014-09-06 13:04:57", updated_at: "2014-09-06 13:04:57">
irb(main):006:0>
,但...当我尝试:
@x.skills
NameError: uninitialized constant Professional::ProfessionalsSkill
from /Library/Ruby/Gems/2.0.0/gems/activerecord-4.1.5/lib/active_record/inheritance.rb:133:in `compute_type'
from /Library/Ruby/Gems/2.0.0/gems/activerecord-4.1.5/lib/active_record/reflection.rb:221:in `klass'...
我在做什么错?我使用Rails 4.1.4
太棒了!谢谢! – MiningSam 2014-09-06 14:42:28