redis-springboot-redistemplate更改序列化方式

川长思鸟来 2022-06-05 11:46 344阅读 0赞

redisTemplate 默认的序列化方式为 jdkSerializeable, StringRedisTemplate的默认序列化方式为StringRedisSerializer

可以通过手动配置, 将redisTemplate的序列化方式进行更改

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package com.wenbronk.data.redis;
    
    import com.fasterxml.jackson.annotation.JsonAutoDetect;
    import com.fasterxml.jackson.annotation.PropertyAccessor;
    import com.fasterxml.jackson.databind.ObjectMapper;
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.context.annotation.Bean;
    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;
    
    /**
     * redis的启动类
     * Created by wenbronk on 2017/6/12.
     */
    @SpringBootApplication
    public class RedisApplication {
        public static void main(String[] args) {
            SpringApplication.run(RedisApplication.class, args);
        }
    
        /**
         * redisTemplate 序列化使用的jdkSerializeable, 存储二进制字节码, 所以自定义序列化类
         * @param redisConnectionFactory
         * @return
         */
        @Bean
        public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
            RedisTemplate<Object, Object> redisTemplate = new RedisTemplate<>();
            redisTemplate.setConnectionFactory(redisConnectionFactory);
    
            // 使用Jackson2JsonRedisSerialize 替换默认序列化
            Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
    
            ObjectMapper objectMapper = new ObjectMapper();
            objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
            objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
    
            jackson2JsonRedisSerializer.setObjectMapper(objectMapper);
    
            // 设置value的序列化规则和 key的序列化规则
            redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
            redisTemplate.setKeySerializer(new StringRedisSerializer());
            redisTemplate.afterPropertiesSet();
            return redisTemplate;
        }
    }

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