我正在努力让这个简单的通知服务工作，我根本没有快乐。我以前从未在symfony中使用过服务，所以我可以忽略一些非常基本的东西，但这对我来说似乎都是正确的所以我有点在这里撞墙。
我已经包含了与服务有关的一切，非常感谢帮助！
堆栈追踪：
[1] Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException: You have requested a non-existent service "game.notify".
at n/a
in D:\web\www\mygame\app\bootstrap.php.cache line 1968
at Symfony\Component\DependencyInjection\Container->get('game.notify')
in D:\web\www\mygame\vendor\symfony\symfony\src\Symfony\Bundle\FrameworkBundle\Controller\Controller.php line 252
at Symfony\Bundle\FrameworkBundle\Controller\Controller->get('game.notify')
in D:\web\www\mygame\src\Game\MainBundle\Controller\PageController.php line 10
at Game\MainBundle\Controller\PageController->indexAction()
in line
at call_user_func_array(array(object(PageController), 'indexAction'), array())
in D:\web\www\mygame\app\bootstrap.php.cache line 2843
at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), '1')
in D:\web\www\mygame\app\bootstrap.php.cache line 2817
at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), '1', true)
in D:\web\www\mygame\app\bootstrap.php.cache line 2946
at Symfony\Component\HttpKernel\DependencyInjection\ContainerAwareHttpKernel->handle(object(Request), '1', true)
in D:\web\www\mygame\app\bootstrap.php.cache line 2248
at Symfony\Component\HttpKernel\Kernel->handle(object(Request))
in D:\web\www\mygame\web\app_dev.php line 28
通知控制人：
位于：Game / MainBundle / Controller / NotifyController.php
<?php
namespace Game\MainBundle\Controller;
class NotifyController
{
private $defaults
= array(
"type" => "flash",
),
$flashes = array();
/**
* @param \Symfony\Component\HttpFoundation\Session\Session $session
*/
public function __construct(\Symfony\Component\HttpFoundation\Session\Session $session)
{
$this->session = $session;
}
/**
* Depending on the supplied type argument, add the values
* to the session flashBag or $this->flashes
*
* @param string $name
* @param array $arguments
*/
public function add($name, array $arguments = array())
{
$arguments += $this->defaults;
// If the type is flash then add the values to the session flashBag
if ($arguments["type"] === "flash") {
$this->session->getFlashBag()->add($name, $arguments);
}
// Otherwise if its instant then add them to the class variable $flashes
elseif ($arguments["type"] === "instant") {
// We want to be able to have multiple notifications of the same name i.e "success"
// so we need to add each new set of arguments into an array not overwrite the last
// "success" value set
if (!isset($this->flashes[$name])) {
$this->flashes[$name] = array();
}
$this->flashes[$name][] = $arguments;
}
}
/**
* Check the flashBag and $this->flashes for existence of $name
*
* @param $name
*
* @return bool
*/
public function has($name)
{
if($this->session->getFlashBag()->has($name)){
return true;
} else {
return isset($this->flashes[$name]);
}
}
/**
* Search for a specific notification and return matches from flashBag and $this->flashes
*
* @param $name
*
* @return array
*/
public function get($name)
{
if($this->session->getFlashBag()->has($name) && isset($this->flashes[$name])){
return array_merge_recursive($this->session->getFlashBag()->get($name), $this->flashes[$name]);
} elseif($this->session->getFlashBag()->has($name)) {
return $this->session->getFlashBag()->get($name);
} else {
return $this->flashes[$name];
}
}
/**
* Merge all flashBag and $this->flashes values and return the array
*
* @return array
*/
public function all()
{
return array_merge_recursive($this->session->getFlashBag()->all(), $this->flashes);
}
}
NotifyExtension.php
位于：Game / MainBundle / DependencyInjection / NotifyExtension.php
<?php
namespace Game\MainBundle\DependencyInjection;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\Config\FileLocator;
use Symfony\Component\HttpKernel\DependencyInjection\Extension;
use Symfony\Component\DependencyInjection\Loader;
/**
* This is the class that loads and manages your bundle configuration
*
* To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/extension.html}
*/
class NotifyExtension extends Extension
{
/**
* {@inheritDoc}
*/
public function load(array $configs, ContainerBuilder $container)
{
$configuration = new Configuration();
$config = $this->processConfiguration($configuration, $configs);
$loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
$loader->load('services.yml');
}
}
的configuration.php
位于：Game / MainBundle / DependencyInjection / Configuration.php
<?php
namespace Game\MainBundle\DependencyInjection;
use Symfony\Component\Config\Definition\Builder\TreeBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;
/**
* This is the class that validates and merges configuration from your app/config files
*
* To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/extension.html#cookbook-bundles-extension-config-class}
*/
class Configuration implements ConfigurationInterface
{
/**
* {@inheritDoc}
*/
public function getConfigTreeBuilder()
{
$treeBuilder = new TreeBuilder();
$rootNode = $treeBuilder->root('game_main');
// Here you should define the parameters that are allowed to
// configure your bundle. See the documentation linked above for
// more information on that topic.
return $treeBuilder;
}
}
Services.yml 位于：Game / MainBundle / Resources / Config / services.yml
parameters:
game.notify.class: Game\MainBundle\Controller\NotifyController
services:
game.notify:
class: "%game.notify.class%"
arguments:
session: @session
PageController.php
位于：Game / MainBundle / Controller / PageController.php
<?php
namespace Game\MainBundle\Controller;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
class PageController extends Controller
{
public function indexAction()
{
$notify = $this->get("game.notify");
$notify->add("test", array("type" => "instant", "message" => "This is awesome"));
if ($notify->has("test")) {
return array("notifications" => $notify->get("test"));
}
return $this->render('GameMainBundle:Page:index.html.twig');
}
}
答案 0 :(得分：2)
根据您对我的第一条评论的回答，由于未遵循您的扩展程序的命名约定，您的服务似乎永远不会被加载。
如果您的捆绑包有GameMainBundle，那么您的扩展程序应该有GameMainExtension。
此处有更多信息：http://symfony.com/doc/current/cookbook/bundles/best_practices.html
一旦你加载了services.yml，你可能仍会遇到一些问题。将您的服务称为控制器有点不合标准。但看看会发生什么。