public void afterPropertiesSet() {
        super.afterPropertiesSet();
        boolean defaultUsed = false;
        if (this.defaultSerializer == null) {
            this.defaultSerializer = new JdkSerializationRedisSerializer(this.classLoader != null ? this.classLoader : this.getClass().getClassLoader());
        }
 
        if (this.enableDefaultSerializer) {
            if (this.keySerializer == null) {
                this.keySerializer = this.defaultSerializer;
                defaultUsed = true;
            }
 
            if (this.valueSerializer == null) {
                this.valueSerializer = this.defaultSerializer;
                defaultUsed = true;
            }
 
            if (this.hashKeySerializer == null) {
                this.hashKeySerializer = this.defaultSerializer;
                defaultUsed = true;
            }
 
            if (this.hashValueSerializer == null) {
                this.hashValueSerializer = this.defaultSerializer;
                defaultUsed = true;
            }
        }
 
        if (this.enableDefaultSerializer && defaultUsed) {
            Assert.notNull(this.defaultSerializer, "default serializer null and not all serializers initialized");
        }
 
        if (this.scriptExecutor == null) {
            this.scriptExecutor = new DefaultScriptExecutor(this);
        }
 
        this.initialized = true;
    }

package com.btc.common.config;
 
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
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.StringRedisSerializer;
 
 
@Configuration
@EnableCaching
public class RedisConfig
        extends CachingConfigurerSupport
{
    @Bean
    public CacheManager cacheManager(final RedisConnectionFactory redisConnectionFactory)
    {
        RedisCacheManager.RedisCacheManagerBuilder builder
                = RedisCacheManager.RedisCacheManagerBuilder.fromConnectionFactory(redisConnectionFactory);
 
        return builder.build();
    }
 
    @Bean(name = "springSessionDefaultRedisSerializer")
    public GenericJackson2JsonRedisSerializer getGenericJackson2JsonRedisSerializer()
    {
        return new GenericJackson2JsonRedisSerializer();
    }
 
    @Bean
    @ConditionalOnMissingBean(name = "redisTemplate")
    public RedisTemplate<Object, Object> getRedisTemplate(
            final RedisConnectionFactory connectionFactory
    )
    {
        RedisTemplate<Object, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(connectionFactory);
        // 配置默認(rèn)的序列化器
        redisTemplate.setDefaultSerializer(getGenericJackson2JsonRedisSerializer());
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
        // 設(shè)置 Key 的默認(rèn)序列化機(jī)制
        redisTemplate.setKeySerializer(stringRedisSerializer);
        redisTemplate.setHashKeySerializer(stringRedisSerializer);
        return redisTemplate;
    }
}