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我正在尝试使用 Sunspot/Solr 搜索与其个人资料相关的所有用户名和内容（名为“bio”）。搜索框位于http://localhost:3000/users。我显然没有做正确的事情，因为当我搜索一个名称时，我会返回到用户的第 1 页，其中包含完整列表，即没有执行任何搜索。我难住了。

当我跑步时rake sunspot:solr:reindex

undefined method `title' for #<User:0x007f9e9ea52e60>
        /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/activemodel-4.0.0/lib/active_model/attribute_methods.rb:436:in `method_missing'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/activerecord-4.0.0/lib/active_record/attribute_methods.rb:131:in `method_missing'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/data_extractor.rb:17:in `value_for'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/field_factory.rb:58:in `populate_document'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/indexer.rb:100:in `block in prepare'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/indexer.rb:99:in `each'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/indexer.rb:99:in `prepare'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/indexer.rb:26:in `block in add'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/indexer.rb:26:in `map'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/indexer.rb:26:in `add'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/session.rb:91:in `index'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/session_proxy/abstract_session_proxy.rb:11:in `index'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/session_proxy/retry_5xx_session_proxy.rb:17:in `method_missing'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/session_proxy/abstract_session_proxy.rb:11:in `index'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot.rb:184:in `index'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot_rails-2.0.0/lib/sunspot/rails/searchable.rb:261:in `block (2 levels) in solr_index'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot_rails-2.0.0/lib/sunspot/rails/searchable.rb:365:in `solr_benchmark'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot_rails-2.0.0/lib/sunspot/rails/searchable.rb:260:in `block in solr_index'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/activerecord-4.0.0/lib/active_record/relation/batches.rb:75:in `find_in_batches'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/activerecord-deprecated_finders-1.0.3/lib/active_record/deprecated_finders/relation.rb:70:in `find_in_batches'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/activerecord-deprecated_finders-1.0.3/lib/active_record/deprecated_finders/relation.rb:68:in `find_in_batches'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/activerecord-4.0.0/lib/active_record/querying.rb:8:in `find_in_batches'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot_rails-2.0.0/lib/sunspot/rails/searchable.rb:259:in `solr_index'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot_rails-2.0.0/lib/sunspot/rails/searchable.rb:203:in `solr_reindex'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot_rails-2.0.0/lib/sunspot/rails/tasks.rb:64:in `block (3 levels) in <top (required)>'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/class_set.rb:16:in `each'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot-2.0.0/lib/sunspot/class_set.rb:16:in `each'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/sunspot_rails-2.0.0/lib/sunspot/rails/tasks.rb:63:in `block (2 levels) in <top (required)>'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/bin/ruby_noexec_wrapper:14:in `eval'
    /usr/local/rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/bin/ruby_noexec_wrapper:14:in `<main>'
    Tasks: TOP => sunspot:solr:reindex => sunspot:reindex
    (See full trace by running task with --trace)

模型/bio.rb

class User < ActiveRecord::Base

    searchable do
  text :title, :name, :content, :body
  end


end

bio_controllers.rb（这是一个独立于 user_controller.rb 的文件）

class BioController < ApplicationController

def index

  @search = users.search do
    fulltext params[:search] 
  end

  @users = @search.results
end

index.html.erb

 <% provide(:title, 'All users') %>

    <%= form_tag users_path, :method => :get do %>

      <p>
        <%= text_field_tag :search, params[:search] %>
        <%= submit_tag "Search", :name => nil %>
      </p>
    <% end %>


    <h1>All users</h1>

    <%= will_paginate %>

    <ul class="users">
      <%= render @users %>
    </ul>

    <%= will_paginate %>

数据库/迁移/...

class AddBioToUserProfile < ActiveRecord::Migration
  def change
    add_column :users, :bio, :string
  end
end

用户.rb

class User < ActiveRecord::Base

  searchable do
  text :name, :bio, :users
  end


  before_save { self.email = email.downcase }
  before_create :create_remember_token

  validates :name, presence: true, length: { maximum: 50 }
  #VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
  validates :email, presence:   true,
                    #format:     { with: VALID_EMAIL_REGEX },
                    uniqueness: { case_sensitive: false }
  has_secure_password
  validates :password, length: { minimum: 6 }

  def User.new_remember_token
    SecureRandom.urlsafe_base64
  end

  def User.encrypt(token)
    Digest::SHA1.hexdigest(token.to_s)
  end

  private

    def create_remember_token
      self.remember_token = User.encrypt(User.new_remember_token)
    end



end
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