content: package com.xiyan.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.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.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 java.lang.reflect.Method;
  import java.time.Duration;
  
  /**
   * @author bright
   */
  @Configuration
  @EnableCaching
  public class RedisConfig extends CachingConfigurerSupport {
      @Bean
      public KeyGenerator keyGenerator() {
          return new KeyGenerator() {
              @Override
              public Object generate(Object target, Method method, Object... params) {
                  StringBuffer sb = new StringBuffer();
                  sb.append(target.getClass().getName());
                  sb.append(method.getName());
                  for (Object obj : params) {
                      sb.append(obj.toString());
                  }
                  return sb.toString();
              }
          };
      }
  
      @Bean
      public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory) {
          RedisTemplate<String, Object> template = new RedisTemplate<>();
          template.setConnectionFactory(connectionFactory);
          // 使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值
          Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<Object>(Object.class);
          ObjectMapper mapper = new ObjectMapper();
          mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
          mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
          serializer.setObjectMapper(mapper);
          template.setValueSerializer(serializer);
          // 使用StringRedisSerializer来序列化和反序列化redis的key值
          template.setKeySerializer(new StringRedisSerializer());
          template.afterPropertiesSet();
          return template;
      }
  
      @Bean
      public CacheManager cacheManager(RedisConnectionFactory redisConnectionFactory) {
          // 生成一个默认配置，通过config对象即可对缓存进行自定义配置
          RedisSerializer<String> redisSerializer = new StringRedisSerializer();
          // 使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值
          Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<Object>(Object.class);
          ObjectMapper mapper = new ObjectMapper();
          mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
          mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
          serializer.setObjectMapper(mapper);
          RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
                  .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer))
                  .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(serializer))
                  .entryTtl(Duration.ofHours(1)); // 设置缓存有效期
          return RedisCacheManager.builder(RedisCacheWriter.nonLockingRedisCacheWriter(redisConnectionFactory))
                  .cacheDefaults(redisCacheConfiguration).build();
      }
  }
  