Question

下午全部，

我正在尝试在我的rails应用程序中添加一个过滤器，但是当我处理下面的内容时，它会重定向到提交时的创建操作，我无法弄清楚它为什么会传递给此操作：

jobs_controller.rb

  def index
    @jobs = Job.all
    @show_sub_nav = true
    @lang = Job.find_by_sql("SELECT languages FROM jobs GROUP BY languages").map &:languages
    @list = params[:languages].blank? ? Job.all : Job.find_all_by_category(params[:languages])
  end

我的观点

 <%= form_tag(jobs_path :method => 'get', :action => 'index') do %>
       <%= select_tag "languages", options_for_select(@lang) %>
       <%= submit_tag "Filter" %>
<% end %>

我正在使用不同的选项来玩form_for（），但它似乎没有任何区别，这里是登录点击：

Started POST "/jobs?method=get" for 127.0.0.1 at 2013-12-16 19:35:54 +0000
Processing by JobsController#create as HTML
  Parameters: {"utf8"=>"✓", "authenticity_token"=>"p34KrqtWpFr5xCAB+leP3YkVbJjLpDKix4BJDUZquAg=", "languages"=>"Ratke-Beatty", "commit"=>"Filter", "method"=>"get"}
  User Load (0.5ms)  SELECT "users".* FROM "users" WHERE "users"."id" = 1 ORDER BY "users"."id" ASC LIMIT 1
   (0.1ms)  begin transaction
   (0.1ms)  rollback transaction
  Rendered jobs/_subregion_select.html.erb (0.1ms)
  Rendered jobs/_form.html.erb (38.7ms)
  Rendered jobs/new.html.erb within layouts/application (39.9ms)
  Rendered layouts/_navbar.html.erb (0.5ms)
Completed 200 OK in 75ms (Views: 54.2ms | ActiveRecord: 0.8ms)

Answer 1

重定向，因为您将http类型设置为GET：:method => 'get'。

通常，形成POST数据，因此您需要:method => 'post'，或者如果您正在遵循restful路由设计，则无需指定:method，因为rails足够聪明。

Answer 2

解决了以下问题：

 <%= form_tag({ :action => "index"}, { :method => "get"}) do %>

似乎工作并给我正确的输出。

form_for过滤查询指示创建操作

2 个答案: