elasticsearch" />
elasticsearch,Ruby On Rails,Ruby,Ruby On Rails 4,Ruby on rails Rails和elasticsearch未定义的方法`delete#u if'；对于字符串
我尝试使用elasticsearch为我的rails应用程序添加搜索。 因此，我编写了这段代码，但在提交搜索查询后，我遇到了以下错误：未定义“我的搜索查询”的“delete\u if”方法：String 产品控制器：Ruby on rails Rails和elasticsearch未定义的方法`delete#u if'；对于字符串,ruby-on-rails,ruby,ruby-on-rails-4,
elasticsearch,Ruby On Rails,Ruby,Ruby On Rails 4,
def index
if params[:query]
@products = Product.search(params[:query], :load => true)
else
@products = Product.all
end
end
<%= form_tag products_path, :method => :get, :class => "form-inline" do %>
<div class="form-group">
<%= text_field_tag :query, params[:query], :placeholder => "Search", :class => "form-control" %>
</div>
<%= submit_tag "Search", :name => nil, :class => "btn btn-default" %>
<% end %>
：get，：class=>“表单内联”do%>
“搜索”，：class=>“表单控件”%>
无，：class=>“btn btn默认值”%>
/home/mike/.rvm/gems/ruby-2.0.0-p247/bundler/gems/ransack-0a77a1b89cf6/lib/ransack/adapters/active_record/base.rb:15:in `ransack'
app/controllers/products_controller.rb:8:in `index'
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actionpack (4.0.0) lib/abstract_controller/callbacks.rb:18:in `block in process_action'
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activesupport (4.0.0) lib/active_support/notifications.rb:159:in `instrument'
actionpack (4.0.0) lib/action_controller/metal/instrumentation.rb:30:in `process_action'
actionpack (4.0.0) lib/action_controller/metal/params_wrapper.rb:245:in `process_action'
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bin/rails:4:in `require'
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/home/mike/.rvm/gems/ruby-2.0.0-p247/bundler/gems/ransack-0a77a1b89cf6/lib/ransack/adapters/active_record/base.rb:15:in'ransack'
app/controllers/products\u controller.rb:8:in'index'
actionpack（4.0.0）lib/action\u controller/metal/implicit\u render.rb:4:in'send\u action'
actionpack（4.0.0）lib/abstract\u controller/base.rb:189:in'process\u action'
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actionpack（4.0.0）lib/abstract\u controller/callbacks.rb:18:in'block in process\u action'
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框架（1.5.2）lib/rack/session/abstract/id.rb:225:在“上下文”中
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activesupport（4.0.0）lib/active\u support/callbacks.rb:80:in'run\u callbacks'
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actionpack（4.0.0）lib/action\u dispatch/middleware/show\u exceptions.rb:30:in'call'
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