ruby-on-rails-3 – 活动管理员has_many通过删除关联
发布时间:2020-12-17 04:32:16 所属栏目:百科 来源:网络整理
导读:我目前正在制作这样的协会: show do h3 project.title panel "Utilisateurs" do table_for project.roles do column "Prenom" do |role| role.user.firstname end column "Nom" do |role| role.user.lastname end column "email" do |role| role.user.email
我目前正在制作这样的协会:
show do h3 project.title panel "Utilisateurs" do table_for project.roles do column "Prenom" do |role| role.user.firstname end column "Nom" do |role| role.user.lastname end column "email" do |role| role.user.email end column "Role" do |role| role.role_name.name end end end end # override default form form do |f| f.inputs "Details" do # Project's fields f.input :title f.input :code end f.has_many :roles do |app_f| app_f.inputs do # if object has id we can destroy it if app_f.object.id app_f.input :_destroy,:as => :boolean,:label => "Supprimer l'utilisateur du projet" end app_f.input :user,:include_blank => false,:label_method => :to_label app_f.input :role_name,:include_blank => false end end f.buttons end 我有以下协会: 项目 has_many :roles,:dependent => :destroy has_many :users,:through => :role 用户 has_many :roles,:dependent => :destroy has_many :projects,:through => :role 角色 belongs_to :user belongs_to :project belongs_to :role_name ROLENAME has_many :roles 当我试图通过我的表单破坏用户关联什么都没发生时,有什么想法来解决这个问题? 解决方法
尝试将accepts_nested_attributes_for添加到Project模型(并将roles_attributes添加到attr_accessible):
class Project < ActiveRecord::Base has_many :roles,:dependent => :destroy has_many :users,:through => :role accepts_nested_attributes_for :roles,:allow_destroy => true attr_accessible :roles_attributes,(+ all you had here before) ... end (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |