content: package top.panll.assist.config;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.parser.ParserConfig;
  import com.alibaba.fastjson.serializer.SerializerFeature;
  import org.springframework.data.redis.serializer.RedisSerializer;
  import org.springframework.data.redis.serializer.SerializationException;
  
  import java.nio.charset.Charset;
  
  public class FastJsonRedisSerializer<T> implements RedisSerializer<T> {
      private static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
      private Class<T> clazz;
  
      /**
       * 添加autotype白名单
       * 解决redis反序列化对象时报错 ：com.alibaba.fastjson.JSONException: autoType is not support
       */
      static {
          ParserConfig.getGlobalInstance().addAccept("top.panll.assist");
      }
  
      public FastJsonRedisSerializer(Class<T> clazz) {
          super();
          this.clazz = clazz;
      }
  
      @Override
      public byte[] serialize(T t) throws SerializationException {
          if (null == t) {
              return new byte[0];
          }
          return JSON.toJSONString(t, SerializerFeature.WriteClassName).getBytes(DEFAULT_CHARSET);
      }
  
      @Override
      public T deserialize(byte[] bytes) throws SerializationException {
          if (null == bytes || bytes.length <= 0) {
              return null;
          }
          String str = new String(bytes, DEFAULT_CHARSET);
          return JSON.parseObject(str, clazz);
      }
  }
  