我在rails 3中的验证有问题。我有一个模型,我只是想验证模型表单的一个字段,即它不应该是空白的。但问题是即使我填写了该文本字段仍然显示错误。可能出现什么问题? 模型文件:
class Page < ActiveRecord::Base
validates :title, :presence => true
end
_form.html.erb
<%= form_for(@page) do |f| %>
<% if @page.errors.any? %>
<div id="error_explanation">
<h2><%= pluralize(@page.errors.count, "error") %> prohibited this post from being saved:</h2>
<ul>
<% @page.errors.full_messages.each do |msg| %>
<li><%= msg %></li>
<% end %>
</ul>
</div>
<% end %>
<p>
<%= f.label :title %><br />
<%= f.text_field :title %>
</p>
<p>
<%= f.label :body %><br />
<%= f.text_area :body %>
</p>
<p>
<%= f.label :author %><br />
<%= f.text_field :author %>
</p>
<p>
<%= f.label :email %><br />
<%= f.text_field :email %>
</p>
<p>
<%= f.label :reference %><br />
<%= f.select(:reference,[['google',1],['yahoo',2],['MSN',3],['Ask',4]]) %>
</p>
<%= f.submit "Submit" %>
<% end %>
这是我的控制器文件:
class PagesController < ApplicationController
def index
@total = Page.count
@pages = Page.find(:all)
end
def new
@page = Page.new
end
def create
@page = Page.new(params[:pages])
if @page.save
redirect_to pages_path, :notice => "The data has been saved!"
else
render "new"
end
end
def edit
@page = Page.find(params[:id])
if request.post?
@page.title = params[:title]
@page.author = params[:author]
@page.email = params[:email]
@page.body = params[:body]
@page.reference = params[:reference]
@page.save
redirect_to :action => 'index'
end
end
def destroy
@page = Page.find(params[:id])
@page.destroy
redirect_to :action => 'index'
end
end
我的routes.rb如下:
Rorapp::Application.routes.draw do
get "home/index"
post "home/search"
get "home/_help"
get "home/create"
get "pages/index"
get "pages/new"
post "pages/new"
post "pages/edit"
get "pages/edit"
resources :pages
# The priority is based upon order of creation:
# first created -> highest priority.
# Sample of regular route:
# match 'products/:id' => 'catalog#view'
# Keep in mind you can assign values other than :controller and :action
# Sample of named route:
# match 'products/:id/purchase' => 'catalog#purchase', :as => :purchase
# This route can be invoked with purchase_url(:id => product.id)
# Sample resource route (maps HTTP verbs to controller actions automatically):
# resources :products
# Sample resource route with options:
# resources :products do
# member do
# get 'short'
# post 'toggle'
# end
#
# collection do
# get 'sold'
# end
# end
# Sample resource route with sub-resources:
# resources :products do
# resources :comments, :sales
# resource :seller
# end
# Sample resource route with more complex sub-resources
# resources :products do
# resources :comments
# resources :sales do
# get 'recent', :on => :collection
# end
# end
# Sample resource route within a namespace:
# namespace :admin do
# # Directs /admin/products/* to Admin::ProductsController
# # (app/controllers/admin/products_controller.rb)
# resources :products
# end
# You can have the root of your site routed with "root"
# just remember to delete public/index.html.
root :to => 'home#index'
# See how all your routes lay out with "rake routes"
# This is a legacy wild controller route that's not recommended for RESTful applications.
# Note: This route will make all actions in every controller accessible via GET requests.
match ':controller(/:action(/:id(.:format)))'
end
答案 0 :(得分:2)
您有重复的路线。
尝试使用以下内容替换routes.rb文件:
Rorapp::Application.routes.draw do
get "home/index"
post "home/search"
get "home/_help"
get "home/create"
resources :pages
root :to => 'home#index'
match ':controller(/:action(/:id(.:format)))'
end
您也可以在update
中创建PagesController
方法,这样您的CRUD就会完整。
答案 1 :(得分:1)
控制器中的create方法引用param[:pages]
。这应该是param[:page]
吗?