我想要做的是在一個名爲'projects_users'的種子關係表中創建帖子,但是在'rake db:seed '下面引發錯誤:期望/...path.../projects_users.rb來定義Projects_users
Expected /...path.../projects_users.rb to define Projects_users
projects_users.rb:
class ProjectsUsers < ActiveRecord::Base
// no code yet
end
(' projects_users'具有控制器和視圖太(也未使用))
個projects_users表:
project_id
user_id
項目模型:
class Project < ActiveRecord::Base
has_and_belongs_to_many :users, :class_name => 'User'
belongs_to :user
has_many :tickets, :dependent => :destroy
attr_accessible :user_id, :title, :description, :start_date, :end_date
end
用戶模式:
class User < ActiveRecord::Base
attr_accessible :first_name, :last_name, :email, :password
has_and_belongs_to_many :projects
has_many :tickets
before_save :create_remember_token
def create_remember_token
self.remember_token = SecureRandom.urlsafe_base64
end
end
seeds.rb:
pu5 = Projects_users.create(:user_id => 12, :project_id => 6)
錯誤是什麼意思,我該如何解決這個問題?
嘗試'pu5 = ProjectsUsers.create(:user_id => 12,:project_id => 6)'。但無論如何,這不是一個好主意,正如我在其他問題中提到的那樣。對於這種情況,你應該使用'has_many:through'。參考http://guides.rubyonrails.org/association_basics.html#choosing-between-has_many-through-and-has_and_belongs_to_many。這將幫助你瞭解差異。 :) – 2013-02-10 18:05:33