Jackson 2.x 系列【29】Spring Boot 集成之 Redis 序列化/反序列化

import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
 
@Configuration
public class RedisConfig {
 
    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory, ObjectMapper objectMapper) {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(redisConnectionFactory);
 
        Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<>(Object.class);
        serializer.setObjectMapper(objectMapper);
        
        template.setDefaultSerializer(serializer);
        template.setKeySerializer(new StringRedisSerializer());
        template.setHashKeySerializer(new StringRedisSerializer());
        template.setValueSerializer(serializer);
        template.setHashValueSerializer(serializer);
 
        return template;
    }
}

这段代码定义了一个配置类，其中创建了一个RedisTemplate实例，并配置了默认的序列化方式为Jackson2JsonRedisSerializer，同时设置了键和哈希键的序列化方式为StringRedisSerializer，值和哈希值的序列化方式也是Jackson2JsonRedisSerializer。这样，我们就可以在Spring Boot应用中使用Redis并利用Jackson 2进行对象的序列化和反序列化。