code: public static void applySnowFlakeIdGen(int machineLen, long machineId) {
          SnowFlakeGenerator.Factory factory = new SnowFlakeGenerator.Factory(machineLen, 0);
          SnowFlakeGenerator snowFlakeGenerator = factory.create(0, machineId);
          RandomUtils.init(() -> String.valueOf(snowFlakeGenerator.nextId()));
      }
docs: 原版雪花算法，生成一个long类型的ID
  
  @param machineLen 机器位长度
  @param machineId  机器ID