踩坑，springboot2.x整合redis序列化

package com.ws.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.ws.pojo.Employee;
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.*;
import org.springframework.util.Assert;

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

@Configuration
public class MyRedisConfig {
    @Bean
    public RedisTemplate<Object, Employee> myredisTemplate(RedisConnectionFactory redisConnectionFactory) throws UnknownHostException {
        RedisTemplate<Object, Employee> template = new RedisTemplate();
        template.setConnectionFactory(redisConnectionFactory);
        Jackson2JsonRedisSerializer<Employee> serializer = new Jackson2JsonRedisSerializer<>(Employee.class);
        template.setDefaultSerializer(serializer);
        return template;
    }

     @Bean
    RedisCacheManager employeeRedisCacheManager(RedisConnectionFactory redisConnectionFactory) {

        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new Jackson2JsonRedisSerializer(Employee.class)))
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new Jackson2JsonRedisSerializer(Employee.class)))
                .disableCachingNullValues();      
                 RedisCacheManager redisCacheManager = RedisCacheManager.builder(redisConnectionFactory)
                .cacheDefaults(config)
                .transactionAware()
                .build();
        return redisCacheManager;

    }
}

教學資源：https://home.cnblogs.com/u/hellokuangshen