我正在研究symfony 4.1。我在service.yml中定义了两个规范化程序。
api.tone_normalizer:
class: App\Serializer\Normalizer\JnToneNormalizer
tags: [serializer.normalizer]
和
api.wskeytone_normalizer:
class: App\Serializer\Normalizer\ApiWsKeyToneToneNormalizer
tags: [serializer.normalizer]
这里是第一个规范化器。了解JnTone实体。
<?php
namespace App\Serializer\Normalizer;
use App\Entity\JnTone;
use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
/**
* JnTone normalizer
*/
class JnToneNormalizer implements NormalizerInterface
{
/**
* {@inheritdoc}
*/
public function normalize($object, $format = null, array $context = array())
{
return [
'id' => $object->getId(),
'name' => $object->getName(),
];
}
/**
* {@inheritdoc}
*/
public function supportsNormalization($data, $format = null)
{
return $data instanceof JnTone;
}
}
还有我想称之为第一个的规范化器。 rootTone是JnTone实体的一个实例,所以我想调用我的JnTone规范化器。
<?php
namespace App\Serializer\Normalizer;
use App\Entity\JnWsKey;
use App\Entity\JnTone;
use Symfony\Component\Serializer\Normalizer\NormalizerAwareInterface;
use Symfony\Component\Serializer\Normalizer\NormalizerAwareTrait;
use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
use Symfony\Component\Serializer\Normalizer\SerializerAwareNormalizer;
use Symfony\Component\Serializer\SerializerAwareTrait;
use Symfony\Component\Serializer\SerializerAwareInterface;
/**
* JnWsKey normalizer
*/
class ApiWsKeyNormalizer implements NormalizerInterface, SerializerAwareInterface
{
use NormalizerAwareTrait;
use SerializerAwareTrait;
private $tones;
/**
* {@inheritdoc}
*/
public function normalize($object, $format = null, array $context = array())
{
return [
'id'=>$object->getId(),
'name'=>$object->getName(),
'rootTone'=>$this->serializer->normalize($object->getRootTone(),$format,$context)
];
}
/**
* {@inheritdoc}
*/
public function supportsNormalization($data, $format = null)
{
return $data instanceof JnWsKey ;
}
}
我不能让这个工作。找不到第一个规范化器
Could not normalize object of type App\Entity\JnTone, no supporting normalizer found.
我做错了什么?
我只是没有意识到我必须在序列化程序定义中声明所有需要的normailizer。
$ encoder = new JsonEncoder();
$serializer = new Serializer(array(
new JnToneNormalizer(),
new JnWsKeyToneNormalizer()
), array($encoder));