用值填写我的表格后。单击 f.submit 只会刷新我的视图 (new.html.erb)。我正在尝试将表单保存到我的数据库并重定向到我的索引视图。
我尝试了以下方法：
- 从 posts_controller 创建操作中删除了条件语句。
- 将我的嵌套资源更改为单个资源（帖子）。
- 通过我表单中的 url 哈希传递路由选项。
我也遵循了这些 SO 问题中的相关建议，但没有成功。
这是我的代码：
-- views/posts/index.html.erb
<h5>Posts#index</h5>
<small><i>Find me in app/views/posts/index.html.erb</i></small>
<hr />
<div class="hero hero-unit">
<button><%= link_to "Create a post", new_post_path %></button>
<hr />
<ul class="unstyled">
<% @posts.each do |post| %>
<h5><small>post ID: </small><%= post.id %></h5>
<li><%= post.URL %></li>
<li>
<%= link_to post.description, post %>
</li>
<li>
<ul class="unstyled">
<li><small><i>submitted <%= time_ago_in_words(post.created_at) %> ago.</i></small></li>
</ul>
</li>
<li>
<%= pluralize(post.comments.count, 'comment') %>
</li>
<!-- votes moved to votes/index.html.erb -->
<li>
<button class="btn btn-mini btn-success">
<%= link_to '', post_votes_path(post, vote: "true"), method: :post, remote: true, class: 'icon-arrow-up' %>
</button>
<button class="btn btn-mini btn-danger">
<%= link_to '', post_votes_path(post, vote: "false"), method: :post, remote: true, class: 'icon-arrow-down' %>
</button>
<p><%= post.vote_total.to_s + " votes" %></p>
<!--
<span id="post_<%= post.id %>_votes"><%= post.vote_total.to_s + " votes" %></span>
-->
</li>
<% end %>
<hr />
</ul>
</div><!-- END hero, hero-unit CLASS -->
-- views/posts/new.html.erb
<h5>Posts#new</h5>
<small><i>Find me in app/views/posts/new.html.erb</i></small>
<hr />
<div class="hero hero-unit">
<form class="form-horizontal">
<%= form_for @post do |f| %>
<div class="control-group">
<label class="control-label">
<%= f.label "Select post type" %>
</label>
<div class="controls">
<%= f.select :is_link, options_for_select([["Link", true], ["Text", false]]) %>
</div>
</div>
<div class="control-group">
<label class="control-label" for="URL"><%= f.label :URL %></label>
<div class="controls">
<%= f.text_field :URL %>
</div>
</div>
<div class="control-group">
<label class="control-label" for="description"><%= f.label :description %></label>
<div class="controls">
<%= f.text_area :description, rows: 5 %>
</div><br />
<div class="controls">
<%= f.submit 'save post' %>
<% end %>
</div>
</div>
</form>
</div><!-- end hero, hero-unit CLASS -->
-- posts_controller.rb
class PostsController < ApplicationController
def index
@posts = Post.find(:all)
end
def new
@post = Post.new
end
def create
@post = Post.new(params[:post])
redirect_to root_path
end
def show
# Post
@post = Post.find(params[:id])
# Comments assiciated by :post_id
@comments = @post.comments.all
@comment = @post.comments.build(params[:comment])
@comment.save
end
def edit
@post = Post.find(params[:id])
end
end
-- config/routes.rb
root to: 'posts#index'
resources :posts do
resources :comments
resources :votes
end
.
.
.
#match ':controller(/:action(/:id))(.:format)'
--Terminal rake routes
root / posts#index
post_comments GET /posts/:post_id/comments(.:format) comments#index
POST /posts/:post_id/comments(.:format) comments#create
new_post_comment GET /posts/:post_id/comments/new(.:format) comments#new
edit_post_comment GET /posts/:post_id/comments/:id/edit(.:format) comments#edit
post_comment GET /posts/:post_id/comments/:id(.:format) comments#show
PUT /posts/:post_id/comments/:id(.:format) comments#update
DELETE /posts/:post_id/comments/:id(.:format) comments#destroy
post_votes GET /posts/:post_id/votes(.:format) votes#index
POST /posts/:post_id/votes(.:format) votes#create
new_post_vote GET /posts/:post_id/votes/new(.:format) votes#new
edit_post_vote GET /posts/:post_id/votes/:id/edit(.:format) votes#edit
post_vote GET /posts/:post_id/votes/:id(.:format) votes#show
PUT /posts/:post_id/votes/:id(.:format) votes#update
DELETE /posts/:post_id/votes/:id(.:format) votes#destroy
posts GET /posts(.:format) posts#index
POST /posts(.:format) posts#create
new_post GET /posts/new(.:format) posts#new
edit_post GET /posts/:id/edit(.:format) posts#edit
post GET /posts/:id(.:format) posts#show
PUT /posts/:id(.:format) posts#update
DELETE /posts/:id(.:format) posts#destroy
--WEBrick
Started GET "/posts/new?utf8=%E2%9C%93&authenticity_token=Z8LuvU7i5ytFi1OxiIGpgwYOy%2BWE%2BfiAZv7m7T%2BwYRI%3D&post%5Bis_link%5D=true&post%5BURL%5D=http%3A%2F%2Ffirsttimers.co&post%5Bdescription%5D=My+first+time.&commit=save+post" for 127.0.0.1 at 2012-10-20 22:37:52 -0400
Processing by PostsController#new as HTML
Parameters: {"utf8"=>"✓", "authenticity_token"=>"Z8LuvU7i5ytFi1OxiIGpgwYOy+WE+fiAZv7m7T+wYRI=", "post"=>{"is_link"=>"true", "URL"=>"http://firsttimers.co", "description"=>"My first time."}, "commit"=>"save post"}
Rendered posts/new.html.erb within layouts/application (2.0ms)
Completed 200 OK in 12ms (Views: 11.8ms | ActiveRecord: 0.0ms)
任何对解决方案和/或解释我忽略的内容和正在发生的事情的帮助（我希望这不是错字......哈哈）将不胜感激。
-- EDIT. HTML Generated code for posts/new.html.erb
<!DOCTYPE html>
<html>
<head>
<title>PostEmHigh</title>
<link href="/assets/application.css?body=1" media="all" rel="stylesheet" type="text/css" />
<link href="/assets/custom.css?body=1" media="all" rel="stylesheet" type="text/css" />
<link href="/assets/posts.css?body=1" media="all" rel="stylesheet" type="text/css" />
<link href="/assets/scaffolds.css?body=1" media="all" rel="stylesheet" type="text/css" />
<script src="/assets/jquery.js?body=1" type="text/javascript"></script>
<script src="/assets/jquery_ujs.js?body=1" type="text/javascript"></script>
<script src="/assets/posts.js?body=1" type="text/javascript"></script>
<script src="/assets/application.js?body=1" type="text/javascript"></script>
<script src="/assets/jquery_ujs.js?body=1" type="text/javascript"></script>
<meta content="authenticity_token" name="csrf-param" />
<meta content="Z8LuvU7i5ytFi1OxiIGpgwYOy+WE+fiAZv7m7T+wYRI=" name="csrf-token" />
</head>
<body>
<h5>Posts#new</h5>
<small><i>Find me in app/views/posts/new.html.erb</i></small>
<hr />
<div class="hero hero-unit">
<form class="form-horizontal">
<form accept-charset="UTF-8" action="/posts" class="new_post" id="new_post" method="post"><div style="margin:0;padding:0;display:inline"><input name="utf8" type="hidden" value="✓" /><input name="authenticity_token" type="hidden" value="Z8LuvU7i5ytFi1OxiIGpgwYOy+WE+fiAZv7m7T+wYRI=" /></div>
<div class="control-group">
<label class="control-label">
<label for="post_Select post type">Select post type</label>
</label>
<div class="controls">
<select id="post_is_link" name="post[is_link]"><option value="true">Link</option>
<option value="false">Text</option></select>
</div>
</div>
<div class="control-group">
<label class="control-label" for="URL"><label for="post_URL">Url</label></label>
<div class="controls">
<input id="post_URL" name="post[URL]" size="30" type="text" />
</div>
</div>
<div class="control-group">
<label class="control-label" for="description"><label for="post_description">Description</label></label>
<div class="controls">
<textarea cols="40" id="post_description" name="post[description]" rows="5">
</textarea>
</div><br />
<div class="controls">
<input name="commit" type="submit" value="save post" />
</form> </div>
</div>
</form>
</div><!-- end hero, hero-unit CLASS -->
<pre class='debug_dump'>--- !ruby/hash:ActiveSupport::HashWithIndifferentAccess
utf8: ✓
authenticity_token: Z8LuvU7i5ytFi1OxiIGpgwYOy+WE+fiAZv7m7T+wYRI=
post: !ruby/hash:ActiveSupport::HashWithIndifferentAccess
is_link: 'true'
URL: http://firsttimers.co
description: My first time.
commit: save post
action: new
controller: posts
</pre>
</body>
</html>