content: package com.gm.wj.config;
  
  import com.fasterxml.jackson.annotation.JsonAutoDetect;
  import com.fasterxml.jackson.annotation.PropertyAccessor;
  import com.fasterxml.jackson.databind.ObjectMapper;
  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.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.time.Duration;
  
  /**
   * @author Evan
   * @date 2020/4/23 21:51
   */
  @EnableCaching
  @Configuration
  public class RedisConfig extends CachingConfigurerSupport {
      public static final String REDIS_KEY_DATABASE="wj";
  
      @Bean
      public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
          RedisSerializer<Object> serializer = redisSerializer();
          RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
          redisTemplate.setConnectionFactory(redisConnectionFactory);
          redisTemplate.setKeySerializer(new StringRedisSerializer());
          redisTemplate.setValueSerializer(serializer);
          redisTemplate.setHashKeySerializer(new StringRedisSerializer());
          redisTemplate.setHashValueSerializer(serializer);
          redisTemplate.afterPropertiesSet();
          return redisTemplate;
      }
  
      @Bean
      public RedisSerializer<Object> redisSerializer() {
          //创建JSON序列化器
          Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<>(Object.class);
          ObjectMapper objectMapper = new ObjectMapper();
          objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
          objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
          serializer.setObjectMapper(objectMapper);
          return serializer;
      }
  
      @Bean
      public RedisCacheManager redisCacheManager(RedisConnectionFactory redisConnectionFactory) {
          RedisCacheWriter redisCacheWriter = RedisCacheWriter.nonLockingRedisCacheWriter(redisConnectionFactory);
          //设置Redis缓存有效期为1天
          RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
                  .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer())).entryTtl(Duration.ofDays(1));
          return new RedisCacheManager(redisCacheWriter, redisCacheConfiguration);
      }
  }
  