RedisConfig 配置文件

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import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
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(name = "redisTemplate")
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory)     {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(redisConnectionFactory);

        // String的序列化
        StringRedisSerializer stringSerializer = new StringRedisSerializer();
        // key采用String的序列化方式
        template.setKeySerializer(stringSerializer);
        // hash的key采用String的序列化方式
        template.setHashKeySerializer(stringSerializer);

        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = jackson2JsonRedisSerializerConfig();
        //value采用jackson序列化方式
        template.setValueSerializer(jackson2JsonRedisSerializer);
        //hash的value也采用jackson序列化方式
        template.setHashValueSerializer(jackson2JsonRedisSerializer);

        template.afterPropertiesSet();


        return template;
    }

    private Jackson2JsonRedisSerializer jackson2JsonRedisSerializerConfig() {
        // jackson序列化所有的类
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        // jackson序列化的一些配置
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.activateDefaultTyping(LaissezFaireSubTypeValidator.instance);
        jackson2JsonRedisSerializer.setObjectMapper(om);
        return jackson2JsonRedisSerializer;
    }


}