Symfony2：没有会话/控制器的区域设置切换器实现

Question

所以，3.5小时后似乎一切都好......

两个页面：

localhost.lo/xx/about

localhost.lo/xx/hello/{name}

其中 xx -routing.yml 中描述的几个语言环境

--routing.yml

home:
    resource: "@JetInformBundle/Resources/config/routing.yml"
    prefix: /{_locale}
    requirements:
        _locale: ^en|de|ru|uk|pl$

-- JetInformBundlerouting.yml

hello:
    pattern:  /hello/{name}
    defaults: { _controller: JetInformBundle:Default:index, name: 'alexander' }

about:
    pattern:  /about
    defaults: { _controller: JetInformBundle:Default:about }

-- DefaultController.php

<?php

namespace Jet\InformBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;
use Symfony\Component\HttpFoundation\Request;

class DefaultController extends Controller
{
    public function indexAction($name, Request $request)
    {
        return $this->render('JetInformBundle:Default:index.html.twig',
                             array('name' => $name, 'matches' => $this->matchAction($request)));
    }

    public function aboutAction(Request $request)
    {
        return $this->render('JetInformBundle:Default:about.html.twig',
                              array('matches' => $this->matchAction($request)));
    }

    protected function matchAction(Request $request)
    {
        return $this->get('router')->match($request->getRequestUri());
    }
}

-- index.html.twig

{% extends '::base.html.twig' %}

{% block body %}
<h1>{{ 'hello.name'|trans }} {{ name }}!</h1>
<h3>{{ 'your.locale'|trans }} [{{ app.request.get('_locale') }}]</h3>

{% include 'JetInformBundle:Default:locales.html.twig'
            with {
                'uripath': 'hello',
                'params': {
                    'name': app.request.get('name')
                }
            }
%}

{% include 'JetInformBundle:Default:matches.html.twig'
            with { 'matches': matches } %}

<div>
    <p>{{ 'return.to'|trans }} <a href="{{ path('about', { '_locale': app.request.get('_locale') }) }}">About</a></p>
</div>
{% endblock %}

-- about.html.twig

{% extends '::base.html.twig' %}

{% block body %}
<h1>{% trans %}about.page{% endtrans %}</h1>
<h3>{% trans %}your.locale{% endtrans %} [{{ app.request.get('_locale') }}]</h3>

{% include 'JetInformBundle:Default:locales.html.twig'
            with { 'uripath': 'about', 'params': {}} %}

{% include 'JetInformBundle:Default:matches.html.twig'
            with { 'matches': matches } %}

<div>
    <p>{% trans%}return.to{% endtrans%} <a href="{{ path('hello', { 'name': app.request.get('name'), '_locale': app.request.get('_locale') }) }}">Hello</a></p>
</div>
{% endblock %}

-- locales.html.twig

{% if not params %}
    {% set params = {} %}
{% endif %}

<div class="langs">
    <ul>
        <li>
            {% if app.request.get('_locale') == 'ru' %}
                Русский
            {% else %}
                <a href="{{ path(uripath, params|merge({ '_locale': 'ru' })) }}">Русский</a>
            {% endif %}
        </li>
        <li>
            {% if app.request.get('_locale') == 'en' %}
                English
            {% else %}
                <a href="{{ path(uripath, params|merge({ '_locale': 'en' })) }}">English</a>
            {% endif %}
        </li>
        <li>
            {% if app.request.get('_locale') == 'uk' %}
                Украiнська
            {% else %}
                <a href="{{ path(uripath, params|merge({ '_locale': 'uk' })) }}">Украiнська</a>
            {% endif %}
        </li>
        <li>
            {% if app.request.get('_locale') == 'de' %}
                Deutsch
            {% else %}
                <a href="{{ path(uripath, params|merge({ '_locale': 'de' })) }}">Deutsch</a>
            {% endif %}
        </li>
        <li>
            {% if app.request.get('_locale') == 'pl' %}
                Polish
            {% else %}
                <a href="{{ path(uripath, params|merge({ '_locale': 'pl' })) }}">Polish</a>
            {% endif %}
        </li>
    </ul>
</div>

-- matches.html.twig

<h5>Matches</h5>
<ol>
{% for key, value in matches %}
    <li>{{ key }} : {{ value }} </li>
{% endfor %}
</ol>

没有基于会话的 R/W 且没有 LocalesController 的解决方案额外的要求。 嘿，大家，你们觉得怎么样？ 可能是其他解决方案，其他意见？ 只是有趣... 谢谢。