Spring Boot自定义Redis缓存配置,保存value格式JSON字符串

Posted 2022-01-05 taopanfeng

Spring Boot自定义Redis缓存,保存格式JSON字符串

部分内容转自 https://blog.csdn.net/caojidasabi/article/details/83059642

package springboot01cache.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.cache.CacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
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.RedisSerializationContext;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import springboot01cache.bean.Student;

import java.net.UnknownHostException;
import java.time.Duration;

@Configuration
public class MyRedisConfig


    //自定义RedisTemplate
    @Bean
    public RedisTemplate<Object, Student> student_redis_template(RedisConnectionFactory redisConnectionFactory)
    
        RedisTemplate<Object, Student> template = new RedisTemplate<Object, Student>();
        template.setConnectionFactory(redisConnectionFactory);
        //使用JSON格式的序列化,保存
        Jackson2JsonRedisSerializer<Student> serializer = new Jackson2JsonRedisSerializer<Student>(Student.class);
        template.setDefaultSerializer(serializer);
        return template;
    

    //自定义cacheManager缓存管理器
    @Bean
    public CacheManager cacheManager(RedisConnectionFactory factory)
    
        RedisSerializer<String> redisSerializer = new StringRedisSerializer();
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);

        //解决查询缓存转换异常的问题
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(om);

        //配置序列化(解决乱码的问题)
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
                .entryTtl(Duration.ZERO)
                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer))
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer))
                .disableCachingNullValues();

        RedisCacheManager cacheManager = RedisCacheManager.builder(factory)
                .cacheDefaults(config)
                .build();
        return cacheManager;
    

自定义Redis配置