Question

我正在使用Spring Data Redis开发Spring Boot示例。在此示例中，我希望将所有键和值存储为json格式。使用CrudRepository模式执行CRUD操作。我是否需要为密钥存储为JSON设置任何配置？我浏览了链接：https://docs.spring.io/spring-data/data-redis/docs/current/reference/html/，但不清楚在哪里设置配置。

127.0.0.1:6379> SMEMBERS user:2be0135f-dbda-490c-8cf9-cd9a7bfdce1b:idx
1) "user:firstName:John"
2) "user:lastName:Kerr"
3) "user:role.roleName:API"
4) "user:middleName:Lima"
127.0.0.1:6379> HGETALL user:2be0135f-dbda-490c-8cf9-cd9a7bfdce1b
 1) "_class"
 2) "com.baeldung.spring.data.redis.model.User"
 3) "id"
 4) "2be0135f-dbda-490c-8cf9-cd9a7bfdce1b"
 5) "firstName"
 6) "John"
 7) "middleName"
 8) "Lima"
 9) "lastName"
10) "Kerr"
11) "role.id"
12) "R2"
13) "role.roleName"
14) "API"
127.0.0.1:6379>

Role.java

@RedisHash("Role")
public class Role {
    private @Id String id;
    private @Indexed String roleName;
}

User.java

@RedisHash("user")
public class User {
    private @Id String id;
    private @Indexed String firstName;
    private @Indexed String middleName;
    private @Indexed String lastName;
    private Role role;
}

RedisConfig.java

@Configuration
@ConfigurationProperties
@EnableRedisRepositories("com.baeldung.spring.data.redis.repository")
public class RedisConfig {
    @Bean
    JedisConnectionFactory jedisConnectionFactory() {
        return new JedisConnectionFactory();
    }
    @Bean
    RedisTemplate<Object, Object> redisTemplate() {
        final RedisTemplate<Object, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(jedisConnectionFactory());
        template.setKeySerializer(new StringRedisSerializer());
        template.setHashValueSerializer(new GenericToStringSerializer<Object>(Object.class));
        template.setValueSerializer(new GenericToStringSerializer<Object>(Object.class));
        return template;
    }
}

MainApp.java

@SpringBootApplication
@Transactional
public class MainAppDemo implements CommandLineRunner{
    RedisMappingContext mappingContext = new RedisMappingContext();
    ExampleQueryMapper mapper = new ExampleQueryMapper(mappingContext, new PathIndexResolver(mappingContext));

    @Autowired private UserRepository userRepository;

    public static void main(String[] args) {
        SpringApplication.run(MainAppDemo.class, args);
    }

    @Override
    public void run(String... args) throws Exception {
        Role role1 = Role.builder().id("R1").roleName("ADMIN").build();
        User user1 = User.builder().firstName("Matt").middleName("Mike").lastName("Wixson").role(role1).build();

        Role role2 = Role.builder().id("R2").roleName("API").build();
        User user2 = User.builder().firstName("John").middleName("Lima").lastName("Kerr").role(role2).build();

        userRepository.save(user1);
        userRepository.save(user2); 

    }
}

如何使用Spring Data Redis在Redis中将键和值存储为JSON？

0 个答案: