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

@Bean
  public RedisTemplate redisTemplate(RedisConnectionFactory factory) {
    RedisTemplate redisTemplate = new RedisTemplate();
    redisTemplate.setConnectionFactory(factory);
    RedisSerializer stringRedisSerializer = new StringRedisSerializer();//Long类型不可以会出现异常信息;
    redisTemplate.setKeySerializer(stringRedisSerializer);
    return redisTemplate;
  }