Ruby Don';Datamapper中的t工作行为
我和西纳特拉一起工作。这是我的模型Ruby Don';Datamapper中的t工作行为,ruby,datamapper,Ruby,Datamapper,我和西纳特拉一起工作。这是我的模型 class Post include DataMapper::Resource property :id, Serial property :title, String property :body, Text property :posted, Boolean, :default => true has n, :comments has n, :tags end class Comment include Data
class Post
include DataMapper::Resource
property :id, Serial
property :title, String
property :body, Text
property :posted, Boolean, :default => true
has n, :comments
has n, :tags
end
class Comment
include DataMapper::Resource
property :id, Serial
property :user, String
property :body, Text
property :posted, Boolean, :default => false
belongs_to :post
end
class Tag
include DataMapper::Resource
property :id, Serial
property :tag, String
property :weight, Integer, :default => 1
belongs_to :post
end
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tags = params[:tags].split(' ')
post = Post.new(:title=>params[:title],:body=>params[:body])
tags.each { |tg|
post.tags << Tag.create(:tag=>tg)
}
redirect '/admin' if post.save
tags=params[:tags]。拆分(“”)
post=post.new(:title=>params[:title],:body=>params[:body])
tags.each{| tg|
post.tg)
}
如果post.save,则重定向“/admin”
但是没有标签。我需要修复什么?如果使用一对多关系,则应创建标记,并将
:post
设置为post
:
tags.each { |tg|
Tag.create(:tag => tg, :post => post)
}