下面的示例将Map并添加条目到DynamoDB表中。我认为NoSQL的目的是允许字段，而无需在数据结构实体中指定结构/类型。
如何在DynamoDB中添加字段而不指定实际的Entity Type？（在本例中，是“Person”Entity类）。建议设置Postman以允许随机的JSON元素。
我想在这个Json中添加任何字段，这些字段不在Entity类中。例如，“StreetAddress”，“Car”，“phoneNumber”，

DynamoDBConfig

@RequiredArgsConstructor
@Configuration
public class DynamoDbConfig {

    @Bean
    public DynamoDBMapperConfig dynamoDBMapperConfig() {
        return DynamoDBMapperConfig.DEFAULT;
    }

    @Bean
    public DynamoDBMapper mapper() {
        return new DynamoDBMapper(amazonDynamoDBConfig());
    }

    @Bean
    public AmazonDynamoDB amazonDynamoDBConfig() {
        return AmazonDynamoDBClientBuilder.standard()
                .withEndpointConfiguration(new AwsClientBuilder.EndpointConfiguration("dynamodb.us-west-2.amazonaws.com", "us-west-2"))
                .withCredentials(new AWSStaticCredentialsProvider(new BasicAWSCredentials("TestExample", "ExampleExample")))
                .build();
    }
}

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实体

@Data
@AllArgsConstructor
@NoArgsConstructor
@DynamoDBTable(tableName="person")
public class Person implements Serializable {
    @DynamoDBHashKey(attributeName = "personId")
    @DynamoDBAutoGeneratedKey
    private String personId;

    @DynamoDBAttribute
    private String name;

    @DynamoDBAttribute
    private int age;

    @DynamoDBAttribute
    private String email;
}

型

控制器：

@RestController
@RequestMapping("/api")
@CrossOrigin
public class PersonController {
    private PersonRepository repository;

    @Autowired
    public PersonController(PersonRepository repository) {
        this.repository = repository;
    }

    @PostMapping("/savePerson")
    public Person savePerson(@RequestBody Person person) {
        return repository.addPerson(person);
    }
}

型

仓库：

@Repository
public class PersonRepository {
    private DynamoDBMapper mapper;

    @Autowired
    public PersonRepository(DynamoDBMapper mapper) {
        this.mapper = mapper;
    }

    public Person addPerson(Person person) {
        mapper.save(person);
        return person;
    }
}

型

Postman测试：

我想在这个Json中添加任何字段，这些字段不在Entity类中。例如，StreetAddress，Car，phoneNumber，
x1c 0d1x的数据