@Resource
private LettuceConnectionFactory lettuceConnectionFactory;

/**
 * @description 自定义的缓存key的生成策略 若想使用这个key
 *              只需要讲注解上keyGenerator的值设置为keyGenerator即可</br>
 * @return 自定义策略生成的key
 */
@Bean
public KeyGenerator keyGenerator() {
	return new KeyGenerator() {
		@Override
		public Object generate(Object target, Method method, Object... params) {
			StringBuilder sb = new StringBuilder();
			sb.append(target.getClass().getName());
			sb.append(method.getDeclaringClass().getName());
			Arrays.stream(params).map(Object::toString).forEach(sb::append);
			return sb.toString();
		}
	};
}

/**
 * RedisTemplate配置
 */
@Bean
public RedisTemplate<String, Object> redisTemplate(LettuceConnectionFactory lettuceConnectionFactory) {
	// 设置序列化
	Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(Object.class);
	ObjectMapper om = new ObjectMapper();
	om.setVisibility(PropertyAccessor.ALL, Visibility.ANY);
	om.enableDefaultTyping(DefaultTyping.NON_FINAL);
	jackson2JsonRedisSerializer.setObjectMapper(om);
	// 配置redisTemplate
	RedisTemplate<String, Object> redisTemplate = new RedisTemplate<String, Object>();
	redisTemplate.setConnectionFactory(lettuceConnectionFactory);
	RedisSerializer<?> stringSerializer = new StringRedisSerializer();
	redisTemplate.setKeySerializer(stringSerializer);// key序列化
	redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);// value序列化
	redisTemplate.setHashKeySerializer(stringSerializer);// Hash key序列化
	redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);// Hash value序列化
	redisTemplate.afterPropertiesSet();
	return redisTemplate;
}

/**
 * 缓存配置管理器
 */
@Bean
public CacheManager cacheManager(LettuceConnectionFactory factory) {
	// 以锁写入的方式创建RedisCacheWriter对象
	RedisCacheWriter writer = RedisCacheWriter.lockingRedisCacheWriter(factory);
	// 创建默认缓存配置对象
	RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofHours(1)); //设置缓存默认有效期一小时;
	RedisCacheManager cacheManager = new RedisCacheManager(writer, config);
	return cacheManager;
}

package org.jeecg.config;

import java.lang.reflect.Method;
import java.time.Duration;
import java.util.Arrays;

import javax.annotation.Resource;

import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
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.cache.RedisCacheWriter;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectMapper.DefaultTyping;

import static java.util.Collections.singletonMap;

@Configuration
@EnableCaching // 开启缓存支持，这样无需在main类配置
public class RedisConfig extends CachingConfigurerSupport {

	@Resource
	private LettuceConnectionFactory lettuceConnectionFactory;

	/**
	 * @description 自定义的缓存key的生成策略 若想使用这个key
	 *              只需要讲注解上keyGenerator的值设置为keyGenerator即可</br>
	 * @return 自定义策略生成的key
	 */
	@Bean
	public KeyGenerator keyGenerator() {
		return new KeyGenerator() {
			@Override
			public Object generate(Object target, Method method, Object... params) {
				StringBuilder sb = new StringBuilder();
				sb.append(target.getClass().getName());
				sb.append(method.getDeclaringClass().getName());
				Arrays.stream(params).map(Object::toString).forEach(sb::append);
				return sb.toString();
			}
		};
	}

	/**
	 * RedisTemplate配置
	 */
	@Bean
	public RedisTemplate<String, Object> redisTemplate() {
		// 设置序列化
		Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(Object.class);
		ObjectMapper om = new ObjectMapper();
		om.setVisibility(PropertyAccessor.ALL, Visibility.ANY);
		om.enableDefaultTyping(DefaultTyping.NON_FINAL);
		jackson2JsonRedisSerializer.setObjectMapper(om);
		// 配置redisTemplate
		RedisTemplate<String, Object> redisTemplate = new RedisTemplate<String, Object>();
		redisTemplate.setConnectionFactory(lettuceConnectionFactory);
		RedisSerializer<?> stringSerializer = new StringRedisSerializer();
		redisTemplate.setKeySerializer(stringSerializer);// key序列化
		redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);// value序列化
		redisTemplate.setHashKeySerializer(stringSerializer);// Hash key序列化
		redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);// Hash value序列化
		redisTemplate.afterPropertiesSet();
		return redisTemplate;
	}

	/**
	 * 缓存配置管理器
	 */
	@Bean
	public CacheManager cacheManager() {
		// 以锁写入的方式创建RedisCacheWriter对象
		RedisCacheWriter writer = RedisCacheWriter.lockingRedisCacheWriter(lettuceConnectionFactory);
		/**
		 * 设置CacheManager的Value序列化方式为JdkSerializationRedisSerializer,
		 * 但其实RedisCacheConfiguration默认就是使用 StringRedisSerializer序列化key，
		 * JdkSerializationRedisSerializer序列化value, 所以以下注释代码就是默认实现，没必要写，直接注释掉
		 */
		// RedisSerializationContext.SerializationPair pair =
		// RedisSerializationContext.SerializationPair.fromSerializer(new
		// JdkSerializationRedisSerializer(this.getClass().getClassLoader()));
		// RedisCacheConfiguration config =
		// RedisCacheConfiguration.defaultCacheConfig().serializeValuesWith(pair);
		// 创建默认缓存配置对象
//		RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofHours(1)); // 设置缓存有效期一小时;
//		RedisCacheManager cacheManager = new RedisCacheManager(writer, config);
		/* 默认配置， 默认超时时间为30s */
		RedisCacheConfiguration defaultCacheConfig = RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration
				.ofSeconds(30L)).disableCachingNullValues();
		/* 配置test的超时时间为120s*/
		RedisCacheManager cacheManager = RedisCacheManager.builder(RedisCacheWriter.lockingRedisCacheWriter
				(lettuceConnectionFactory)).cacheDefaults(defaultCacheConfig)
				.withInitialCacheConfigurations(singletonMap("TTL10S", RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofSeconds(10L)).disableCachingNullValues()))
				.withInitialCacheConfigurations(singletonMap("TTL10M", RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofSeconds(600L)).disableCachingNullValues()))
				.transactionAware().build();
		return cacheManager;
	}
}