Serializer.md

Serializer

The Serializer component is meant to be used to turn objects into a specific format (XML, JSON, YAML, ...) and the other way around.

官方文档： The Serializer Component document.
serializer_workflow

• 经常遇到的场景，需要把entity的object转成json

  • symfony > 3.1
    参考：New in Symfony 3.1: DateTime Normalizer

      # config.yml
      framework:
      	...
      	serializer: { enabled: true }
      # service.yml
      # 把datetime_normalizer放到前面
      datetime_normalizer:                                                                                                                                
          class: Symfony\Component\Serializer\Normalizer\DateTimeNormalizer
          arguments: ['Y-m-d H:i:s']
          tags:
              - { name: serializer.normalizer }
      get_set_method_normalizer:
          class: Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer
          public: false
          tags: 
              - { name: serializer.normalizer }
      
      // call code
      $serializer = $this->get('serializer');
      $entities = $this->getDoctrine()->getRepository('KitSystemBundle:Dictionary')->findAll();
      // serialize all of your entities
      $json = $serializer->serialize($entities, 'json');
      dump($json);
      // output
      [{"id":1,"createAt":"2017-06-05 10:12:34","updateAt":"2017-06-05 10:12:34","admin":null,"ip":null,"content":"\u6253\u67b6","classId":"1","numerical":null,"numericalType":0,"caseType":0},{"id":21,"createAt":"2017-07-07 10:38:10","updateAt":"2017-07-07 10:38:10","admin":"lcpeng","ip":"127.0.0.1","content":"\u6bb4\u6253","classId":"5","numerical":"0","numericalType":1,"caseType":0},{"id":22,"createAt":"2017-07-07 10:38:31","updateAt":"2017-07-07 10:38:31","admin":"lcpeng","ip":"127.0.0.1","content":"\u5165\u5ba4,\u76d7\u7a83","classId":"5","numerical":"0","numericalType":1,"caseType":0}]
    

  • 另外一种解决方案JMSSerializerBundle