自定义CacheManage和过期时间

package com.yh.config;


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.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

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

@Configuration
public class MyRedisConfig {

    @Bean
    public RedisTemplate<String, Object> RedisTemplate(RedisConnectionFactory redisConnectionFactory) throws UnknownHostException {
        RedisTemplate<String, Object> template = new RedisTemplate();
        template.setConnectionFactory(redisConnectionFactory);
        //改变默认的序列化规则
        Jackson2JsonRedisSerializer<Object> employeeJackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(Object.class);
        template.setDefaultSerializer(employeeJackson2JsonRedisSerializer);
        return template;
    }


    @Bean
    public CacheManager cacheManager(RedisConnectionFactory factory) {
        RedisCacheConfiguration cacheConfiguration =
                RedisCacheConfiguration.defaultCacheConfig()
                        //自定义过期时间
                        .entryTtl(Duration.ofDays(1))
                        .disableCachingNullValues()
                        .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new
                                GenericJackson2JsonRedisSerializer()))
                        .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
        return RedisCacheManager.builder(factory).cacheDefaults(cacheConfiguration).build();
    }

}