Php Symfony:不同环境下的自定义侦听器更改响应
我做了如下的听众:Php Symfony:不同环境下的自定义侦听器更改响应,php,symfony,Php,Symfony,我做了如下的听众: namespace AppBundle\EventListener; use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent; use Symfony\Component\HttpFoundation\Response; use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface; class ExceptionListe
namespace AppBundle\EventListener;
use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
class ExceptionListener
{
public function onKernelException(GetResponseForExceptionEvent $event)
{
// You get the exception object from the received event
$exception = $event->getException();
$message = array(
'message'=>$exception->getMessage(),
'code'=>$exception->getCode(),
'stacktrace'=>$exception->getTrace()
);
// Customize your response object to display the exception details
$response = new Response();
$response->setContent(json_encode($message,JSON_PRETTY_PRINT));
// HttpExceptionInterface is a special type of exception that
// holds status code and header details
if ($exception instanceof HttpExceptionInterface) {
$response->setStatusCode($exception->getStatusCode());
$response->headers->replace($exception->getHeaders());
} else {
$response->setStatusCode(Response::HTTP_INTERNAL_SERVER_ERROR);
$response->headers->set('content/type','application/json');
}
// Send the modified response object to the event
$event->setResponse($response);
}
}
当根据myservices.yml发生异常时,将触发上面的侦听器:
parameters:
services:
app.exception_listener:
class: AppBundle\EventListener\ExceptionListener
tags:
- { name: kernel.event_listener, event: kernel.exception }
现在我想实现的是,在生产环境中显示来自其他环境的不同json输出。我的意思是,最终用户/api消费者看到stacktrace是不明智的,也是个好主意
那么,您知道我在生产环境和开发环境中时如何知道吗?您只需将内核.environment
参数传递给您的类构造函数:
app.exception_listener:
class: AppBundle\EventListener\ExceptionListener
arguments: ["%kernel.environment%"]
tags:
- { name: kernel.event_listener, event: kernel.exception }
然后在你的课堂上:
class ExceptionListener
{
private $env;
public function __construct($env)
{
$this->env = $env;
}
public function onKernelException(GetResponseForExceptionEvent $event)
{
if ($this->env == 'dev') {
// do something
} else {
// do something else
}
}
}
您只需将kernel.environment
参数传递给类构造函数:
app.exception_listener:
class: AppBundle\EventListener\ExceptionListener
arguments: ["%kernel.environment%"]
tags:
- { name: kernel.event_listener, event: kernel.exception }
然后在你的课堂上:
class ExceptionListener
{
private $env;
public function __construct($env)
{
$this->env = $env;
}
public function onKernelException(GetResponseForExceptionEvent $event)
{
if ($this->env == 'dev') {
// do something
} else {
// do something else
}
}
}