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我創建了許多到許多教師和Sclass的協會。 ClassTeacher是連接表名稱。訪問多對多關係中的數據
class Teacher < ActiveRecord::Base
has_many :class_teachers
has_many :Sclasses, :through => :class_teachers
attr_accessible :teacher_id
attr_accessible :tname
attr_accessible :mob
attr_accessible :email
end
class Sclass < ActiveRecord::Base
set_primary_key :year
has_many :class_teachers
has_many :teachers, :through => :class_teachers
attr_accessible :year
end
class ClassTeacher < ActiveRecord::Base
belongs_to :teacher
belongs_to :sclass
attr_accessible :year
attr_accessible :teacher_id
end
我有tlist.html.erb,tnew.html.erb在查看 - >文件夾的教師,同樣我也slist.html.erb,snew.html.erb鑑於 - > sclasses文件夾。
當我爲老師添加一條記錄時,它也應該要求多年並保存記錄。同樣,一年它應該要求teacher_ids並保存記錄。我該怎麼做?這些記錄將保存在哪裏?