Symfony2语言环境语言整页事件监听器 [英] Symfony2 locale languages whole page event listener

问题描述

我需要创建一个类似于facebook lang系统的系统，当用户单击语言以显示例如france('fr')的示例时，页面将重新加载，并且message.fr.yml中的所有内容都将显示...

我试图制作类似于/language/{localExtension}的路线，但是当我在那里设置setLocale然后重定向它不起作用...我不知道我是否为某些页面而不是全局设置了它?因为当我在控制器的顶部设置setLocale('fr')时，它可以工作...

我在使用www.example.com/contact/en，/contact/fr等

时发现了一些文章

但是我想从以前选择的语言中显示/contact和内容.或像现在一样在用户未更改时默认为'en'...

我整天都在搜索，我认为应该使用... service => listener和... on kernel.request来完成?或类似的东西.

这里有有趣的链接 Symfony2错误的语言环境检测?我认为这是我需要的吗?或者?我试图设置服务并创建侦听器，但出现了一些错误，我什至不知道这是否是创建它的方法:/

解决方案

是的，由于某些原因，您需要使用侦听器:

<?php

namespace Your\Bundle\Listener;

use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

class LocaleListener implements EventSubscriberInterface
{
  private $defaultLocale;

  public function __construct($defaultLocale = 'en')
  {
  $this->defaultLocale = $defaultLocale;
  }

  public function onKernelRequest(GetResponseEvent $event)
  {
  $request = $event->getRequest();
  if (!$request->hasPreviousSession()) {
      return;
  }

  if ($locale = $request->attributes->get('_locale')) {
      $request->getSession()->set('_locale', $locale);
  } else {
      $request->setLocale($request->getSession()->get('_locale', $this->defaultLocale));
  }
  }

  static public function getSubscribedEvents()
  {
  return array(
      // must be registered before the default Locale listener
      KernelEvents::REQUEST => array(array('onKernelRequest', 17)),
  );
  }
}
?>

在service.xml中注册您的侦听器:

<service id="my.listener" class="Your\Bundle\Listener\LocaleListener">
    <argument>%locale%</argument>
    <tag name="kernel.event_subscriber"/>
</service>

如何在树枝模板中实现语言切换器的示例:

{% for locale in ['en', 'fr','zh'] %}
    <li>
      <a href="{{ path(app.request.get('_route'), app.request.get('_route_params')|merge({'_locale' : locale})) }}">
        {% if locale == 'en' %}
        <img title="English" src="{{ asset('bundles/fkmywebsite/images/UnitedStates.png') }}" alt="English" height="30" width="30"/>
        {% elseif locale == 'fr' %}
        <img title="Français" src="{{ asset('bundles/fkmywebsite/images/France.png') }}" alt="Français" height="30" width="30"/>
        {% endif %}
      </div>
    </li>
{% endfor %}

I need to create a system like the facebook lang system when a user clicks on language to example france('fr') the page will reload and all the content in messages.fr.yml will be displayed...

I tried to make route like /language/{localExtension} but when I setLocale there and then redirected it didn't work... I don't know i assuming its just for certain page not global? Because when i set setLocale('fr') at the top of my controller it works...

I found some articles when is using the www.example.com/contact/en, /contact/fr etc

But i want /contact and content displayed from previous chosen language. Or default 'en' like now when user didn't change it...

I was googling all day and i think it should be done with... service => listener and... on kernel.request? or something like that.

Here are intresting link Symfony2 wrong locale detection? i think that's what i need? or? I tried to set service and create listener but some errors appear and i don't even know if this is the way how to create it :/

解决方案

Yes for some reason you need to use a listener:

<?php

namespace Your\Bundle\Listener;

use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

class LocaleListener implements EventSubscriberInterface
{
  private $defaultLocale;

  public function __construct($defaultLocale = 'en')
  {
  $this->defaultLocale = $defaultLocale;
  }

  public function onKernelRequest(GetResponseEvent $event)
  {
  $request = $event->getRequest();
  if (!$request->hasPreviousSession()) {
      return;
  }

  if ($locale = $request->attributes->get('_locale')) {
      $request->getSession()->set('_locale', $locale);
  } else {
      $request->setLocale($request->getSession()->get('_locale', $this->defaultLocale));
  }
  }

  static public function getSubscribedEvents()
  {
  return array(
      // must be registered before the default Locale listener
      KernelEvents::REQUEST => array(array('onKernelRequest', 17)),
  );
  }
}
?>

Register your listener in your service.xml:

<service id="my.listener" class="Your\Bundle\Listener\LocaleListener">
    <argument>%locale%</argument>
    <tag name="kernel.event_subscriber"/>
</service>

An example how to implement the language switcher in your twig template:

{% for locale in ['en', 'fr','zh'] %}
    <li>
      <a href="{{ path(app.request.get('_route'), app.request.get('_route_params')|merge({'_locale' : locale})) }}">
        {% if locale == 'en' %}
        <img title="English" src="{{ asset('bundles/fkmywebsite/images/UnitedStates.png') }}" alt="English" height="30" width="30"/>
        {% elseif locale == 'fr' %}
        <img title="Français" src="{{ asset('bundles/fkmywebsite/images/France.png') }}" alt="Français" height="30" width="30"/>
        {% endif %}
      </div>
    </li>
{% endfor %}

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