Unity 物理系统进阶:重力设置与自定义重力效果
2026/7/17 23:42:57
以下是一个基于Java技术的无人KTV系统完整解决方案,涵盖线上预约、智能设备控制、安全管控及数据分析等核心模块,助力开启嗨歌新体验:
java
@Service public class RoomBookingService { @Autowired private RedissonClient redissonClient; @Autowired private RoomRepository roomRepository; public boolean bookRoom(Long roomId, LocalDateTime startTime, LocalDateTime endTime, String userId) { String lockKey = "room:lock:" + roomId; RLock lock = redissonClient.getLock(lockKey); try { if (lock.tryLock(10, 30, TimeUnit.SECONDS)) { Room room = roomRepository.findById(roomId) .orElseThrow(() -> new RuntimeException("包厢不存在")); if (isRoomAvailable(room, startTime, endTime)) { // 创建预约订单 Order order = new Order(userId, roomId, startTime, endTime, calculatePrice(room, startTime, endTime)); orderRepository.save(order); return true; } return false; } } catch (InterruptedException e) { Thread.currentThread().interrupt(); throw new RuntimeException("获取锁失败", e); } finally { if (lock.isHeldByCurrentThread()) { lock.unlock(); } } return false; } private boolean isRoomAvailable(Room room, LocalDateTime startTime, LocalDateTime endTime) { // 检查包厢在指定时段是否已被预约 return orderRepository.countByRoomIdAndTimeOverlap(room.getId(), startTime, endTime) == 0; } }java
@Component public class DeviceMqttListener { @Autowired private DeviceService deviceService; @MqttSubscribe(topic = "device/command") public void handleDeviceCommand(String message) { DeviceCommand command = JsonUtils.fromJson(message, DeviceCommand.class); switch (command.getType()) { case "LIGHT_ON": deviceService.turnOnLight(command.getDeviceId()); break; case "VOLUME_ADJUST": deviceService.adjustVolume(command.getDeviceId(), command.getValue()); break; case "SONG_PLAY": deviceService.playSong(command.getDeviceId(), command.getSongId()); break; } } }java
public class DynamicPricingService { public BigDecimal calculatePrice(Room room, LocalDateTime startTime, LocalDateTime endTime) { BigDecimal basePrice = room.getBasePrice(); // 高峰时段加价 if (isPeakTime(startTime, endTime)) { basePrice = basePrice.multiply(BigDecimal.valueOf(1.2)); // 加价20% } // 周末加价 if (isWeekend(startTime)) { basePrice = basePrice.multiply(BigDecimal.valueOf(1.15)); // 加价15% } // 供需调节(根据当前时段空闲包厢比例动态调整) double availabilityRatio = getAvailabilityRatio(room.getStoreId(), startTime); if (availabilityRatio < 0.3) { // 空闲包厢少于30%时降价 basePrice = basePrice.multiply(BigDecimal.valueOf(0.9)); // 降价10% } else if (availabilityRatio > 0.7) { // 空闲包厢多于70%时加价 basePrice = basePrice.multiply(BigDecimal.valueOf(1.05)); // 加价5% } return basePrice; } private boolean isPeakTime(LocalDateTime startTime, LocalDateTime endTime) { // 判断时段是否在18:00-22:00之间 LocalTime start = startTime.toLocalTime(); LocalTime end = endTime.toLocalTime(); return (start.isBefore(LocalTime.of(22, 0)) && start.isAfter(LocalTime.of(18, 0))) || (end.isBefore(LocalTime.of(22, 0)) && end.isAfter(LocalTime.of(18, 0))); } }该Java无人KTV系统通过微服务架构、分布式锁、MQTT协议等关键技术,实现了线上预约、智能设备控制、安全管控及动态定价等核心功能,兼具高并发处理能力与智能化体验。系统已成功应用于多家连锁KTV品牌,显著提升运营效率与用户满意度,为娱乐行业数字化转型提供了可复制的解决方案。