Question

当我尝试播种时，我遇到了rake db:seed未应用于正确值的问题。我rake db:seed时也没有错误，这就是我不确定错误的原因。

以下是迁移文件： Boostdets：

class CreateBoostdets < ActiveRecord::Migration[5.0]
  def change
    create_table :boostdets do |t|
      t.string :name
      t.string :title
      t.string :slogan
      t.string :point1
      t.string :point2
      t.string :rating
      t.string :timeframe
      t.string :price
      t.string :image
      t.references :boost
      t.timestamps
    end
  end
end

提升：

class CreateBoosts < ActiveRecord::Migration[5.0]
  def change
    create_table :boosts do |t|
      t.string :title
      t.string :slogan
      t.string :rating
      t.string :bonus
      t.string :image
      t.timestamps
    end
  end
end

以下是我的种子文件示例：

b1 = Boost.create(title: "gg", slogan: "Ej", rating: "u", bonus: "y", image: "")
Boostdet.create(name: "t", title: "u", slogan: "y", point1: "t", point2: "rs", rating:  "f",timeframe: "r", price: "Ss", image: "", boost_id: b1.id)
Boostdet.create(name: "g", title: "s", slogan: "x", point1: "e", point2: "Cg", rating: "3", timeframe: "g", price: "t", image: "", boost_id: b1.id)

我不确定我做错了什么，因为没有播种错误，因为它只是传递到下一个没有消息的bash行。

修改带验证的模型

class Boostdet < ApplicationRecord
  belongs_to :boosts
end

class Boost < ApplicationRecord
  has_many :boostdets
end

Answer 1

使用关联创建boostdets。这样您就不需要手动传递boost_id

boost = Boost.create(title: "gg", slogan: "Ej", rating: "u", bonus: "y", image: "")
boost.boostdets.create(name: "t", title: "u", slogan: "y", point1: "t", point2: "rs", rating:  "f",timeframe: "r", price: "Ss", image: "")
boost.boostdets.create(name: "g", title: "s", slogan: "x", point1: "e", point2: "Cg", rating: "3", timeframe: "g", price: "t", image: "")

还需要将关联belongs_to :boosts更改为belongs_to :boost

class Boostdet < ApplicationRecord
  belongs_to :boost
end

Answer 2

试试这个：

b1 = Boost.create(title: "gg", slogan: "Ej", rating: "u", bonus: "y", image: "")
b1.boostdets.create(name: "t", title: "u", slogan: "y", point1: "t", point2: "rs", rating:  "f",timeframe: "r", price: "Ss", image: "")
b1.boostdets.create(name: "g", title: "s", slogan: "x", point1: "e", point2: "Cg", rating: "3", timeframe: "g", price: "t", image: "")

请注意，如果您使用的是belongs_to，那么它应该是单数的，而不是：

belongs_to :boosts

它应该是：

belongs_to :boost

Answer 3

您能否使用rails中的build命令创建boostdet。请检查以下代码，

@boost = Boost.create(title: "gg", slogan: "Ej", rating: "u", bonus: "y", image: "")
@boost.create_boostdet(name: "t", title: "u", slogan: "y", point1: "t", point2: "rs", rating:  "f",timeframe: "r", price: "Ss", image: "")
@boost.create_boostdet(name: "g", title: "s", slogan: "x", point1: "e", point2: "Cg", rating: "3", timeframe: "g", price: "t", image: "")

rake db：seed没有输入我的所有数据

3 个答案: