苍穹外卖学习笔记(九)

用户端历史订单模块：

查询历史订单

OrderController

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/**
   * 历史订单
   */
  @GetMapping("/historyOrders")
  @ApiOperation(value = "历史订单")
  public Result<PageResult> page(int page, int pageSize, Integer status) {
      PageResult pageResult = orderService.pageQuery4User(page, pageSize, status);
      return Result.success(pageResult);
  }

OrderService

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/**
    * 分页查询用户订单
    */
   PageResult pageQuery4User(int page, int pageSize, Integer status);

OrderServiceImpl

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/**
     * 分页查询用户订单
     */
    @Override
    public PageResult pageQuery4User(int pageNum, int pageSize, Integer status) {
        Page<Orders> page = new Page<>(pageNum, pageSize);
        OrdersPageQueryDTO ordersPageQueryDTO = new OrdersPageQueryDTO();
        ordersPageQueryDTO.setUserId(BaseContext.getCurrentId());
        ordersPageQueryDTO.setStatus(status);
        //查询条件
        LambdaQueryWrapper<Orders> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Orders::getUserId, BaseContext.getCurrentId());

        if (status != null) {
            queryWrapper.eq(Orders::getStatus, status);
        }
        if (ordersPageQueryDTO.getNumber() != null && !ordersPageQueryDTO.getNumber().isEmpty()) {
            queryWrapper.like(Orders::getNumber, ordersPageQueryDTO.getNumber());
        }
        if (ordersPageQueryDTO.getPhone() != null && !ordersPageQueryDTO.getPhone().isEmpty()) {
            queryWrapper.like(Orders::getPhone, ordersPageQueryDTO.getPhone());
        }
        if (ordersPageQueryDTO.getBeginTime() != null) {
            queryWrapper.ge(Orders::getOrderTime, ordersPageQueryDTO.getBeginTime());
        }
        if (ordersPageQueryDTO.getEndTime() != null) {
            queryWrapper.le(Orders::getOrderTime, ordersPageQueryDTO.getEndTime());
        }

        Page<Orders> ordersPage = orderMapper.selectPage(page, queryWrapper);
        List<OrderVO> list = new ArrayList<>();
        if (ordersPage != null && ordersPage.getTotal() > 0) {
            for (Orders orders : ordersPage.getRecords()) {
                Long orderId = orders.getId();

                LambdaQueryWrapper<OrderDetail> orderDetailLambdaQueryWrapper = new LambdaQueryWrapper<>();
                orderDetailLambdaQueryWrapper.eq(OrderDetail::getOrderId, orderId);
                List<OrderDetail> orderDetails = orderDetailMapper.selectList(orderDetailLambdaQueryWrapper);

                OrderVO orderVO = new OrderVO();
                BeanUtils.copyProperties(orders, orderVO);
                orderVO.setOrderDetailList(orderDetails);

                list.add(orderVO);
            }
        }
        assert ordersPage != null;//用于断言
        return new PageResult(ordersPage.getTotal(), list);
    }

查询订单详情

OrderController

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/**
   * 订单详情
   */
  @GetMapping("/orderDetail/{id}")
  @ApiOperation(value = "订单详情")
  public Result<OrderVO> details(@PathVariable Long id) {
      OrderVO orderVO = orderService.details(id);
      return Result.success(orderVO);
  }

OrderService

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/**
     * 订单详情
     */
    OrderVO details(Long id);

OrderServiceImpl

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/**
     * 订单详情
     */
    @Override
    public OrderVO details(Long id) {
        Orders orders = orderMapper.selectById(id);
        LambdaQueryWrapper<OrderDetail> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(OrderDetail::getOrderId, id);
        List<OrderDetail> orderDetailList = orderDetailMapper.selectList(queryWrapper);
        OrderVO orderVO = new OrderVO();
        BeanUtils.copyProperties(orders, orderVO);
        orderVO.setOrderDetailList(orderDetailList);
        return orderVO;
    }

取消订单

OrderController

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/**
    * 取消订单
    */
   @PutMapping("/cancel/{id}")
   @ApiOperation("取消订单")
   public Result cancel(@PathVariable("id") Long id) throws Exception {
       orderService.userCancelById(id);
       return Result.success();
   }

OrderService

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/**
     * 用户取消订单
     */
    void userCancelById(Long id) throws Exception;

OrderServiceImpl

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/**
     * 用户取消订单
     */
    @Transactional
    @Override
    public void userCancelById(Long id) throws Exception {
        // 根据订单id查询订单
        Orders ordersDB = orderMapper.selectById(id);
        //校验订单是否存在
        if (ordersDB == null) {
            throw new OrderBusinessException(MessageConstant.ORDER_NOT_FOUND);
        }
        //订单状态 1待付款 2待接单 3已接单 4派送中 5已完成 6已取消
        if (ordersDB.getStatus() > 2) {
            throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);
        }
        Orders orders = Orders.builder()
                .id(ordersDB.getId())
                .status(Orders.CANCELLED)
                .cancelReason("用户取消")
                .cancelTime(LocalDateTime.now())
                .build();

        // 订单处于待接单状态下取消，需要进行退款
        if (ordersDB.getStatus().equals(Orders.TO_BE_CONFIRMED)) {
            //调用微信支付退款接口
//            weChatPayUtil.refund(
//                    ordersDB.getNumber(), //商户订单号
//                    ordersDB.getNumber(), //商户退款单号
//                    new BigDecimal(0.01),//退款金额，单位 元
//                    new BigDecimal(0.01));//原订单金额

            //支付状态修改为 退款
            orders.setPayStatus(Orders.REFUND);
        }

        orderMapper.update(orders, new LambdaQueryWrapper<Orders>().eq(Orders::getId, id));
    }

再来一单

OrderController

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/**
    * 再来一单
    */
   @PostMapping("/repetition/{id}")
   @ApiOperation("再来一单")
   public Result repetition(@PathVariable Long id) {
       orderService.repetition(id);
       return Result.success();
   }

OrderService

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/**
     * 再来一单
     */
    void repetition(Long id);

OrderServiceImpl

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/**
    * 再来一单
    */
   @Override
   @Transactional
   public void repetition(Long id) {
       Long userId = BaseContext.getCurrentId();
       LambdaQueryWrapper<OrderDetail> queryWrapper = new LambdaQueryWrapper<>();
       queryWrapper.eq(OrderDetail::getOrderId, id);
       List<OrderDetail> orderDetailList = orderDetailMapper.selectList(queryWrapper);
       List<ShoppingCart> shoppingCartList = orderDetailList.stream().map(x -> {//将订单详情转换为购物车对象
           ShoppingCart shoppingCart = new ShoppingCart();

           // 将原订单详情里面的菜品信息重新复制到购物车对象中
           BeanUtils.copyProperties(x, shoppingCart, "id");
           shoppingCart.setUserId(userId);
           shoppingCart.setCreateTime(LocalDateTime.now());

           return shoppingCart;
       }).collect(Collectors.toList());

       // 将购物车对象批量添加到数据库
       MybatisBatch<ShoppingCart> mybatisBatch = new MybatisBatch<>(sqlSessionFactory, shoppingCartList);
       MybatisBatch.Method<ShoppingCart> method = new MybatisBatch.Method<>(ShoppingCartMapper.class);
       mybatisBatch.execute(method.insert());
   }

商家端订单管理模块：

订单搜索

OrderController

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/**
     * 订单搜索
     */
    @GetMapping("/conditionSearch")
    @ApiOperation(value = "订单搜索")
    public Result<PageResult> conditionSearch(OrdersPageQueryDTO ordersPageQueryDTO) {
        PageResult pageResult = orderService.conditionSearch(ordersPageQueryDTO);
        return Result.success(pageResult);
    }

OrderService

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/**
 * 订单搜索
 */
PageResult conditionSearch(OrdersPageQueryDTO ordersPageQueryDTO);

OrderServiceImpl

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/**
 * 订单搜索
 */
@Override
public PageResult conditionSearch(OrdersPageQueryDTO ordersPageQueryDTO) {
    Page<Orders> page = new Page<>(ordersPageQueryDTO.getPage(), ordersPageQueryDTO.getPageSize());
    LambdaQueryWrapper<Orders> queryWrapper = new LambdaQueryWrapper<>();
    if (ordersPageQueryDTO.getStatus() != null) {
        queryWrapper.eq(Orders::getStatus, ordersPageQueryDTO.getStatus());
    }
    if (ordersPageQueryDTO.getNumber() != null && !ordersPageQueryDTO.getNumber().isEmpty()) {
        queryWrapper.like(Orders::getNumber, ordersPageQueryDTO.getNumber());
    }
    if (ordersPageQueryDTO.getPhone() != null && !ordersPageQueryDTO.getPhone().isEmpty()) {
        queryWrapper.like(Orders::getPhone, ordersPageQueryDTO.getPhone());
    }
    if (ordersPageQueryDTO.getBeginTime() != null) {
        queryWrapper.ge(Orders::getOrderTime, ordersPageQueryDTO.getBeginTime());
    }
    if (ordersPageQueryDTO.getEndTime() != null) {
        queryWrapper.le(Orders::getOrderTime, ordersPageQueryDTO.getEndTime());
    }
    Page<Orders> ordersPage = orderMapper.selectPage(page, queryWrapper);
    // 部分订单状态，需要额外返回订单菜品信息，将Orders转化为OrderVO
    List<OrderVO> orderVOList = getOrderVOList(ordersPage);
    return new PageResult(page.getTotal(), orderVOList);
}
/**
 * 将Orders转化为OrderVO
 */
private List<OrderVO> getOrderVOList(Page<Orders> page) {
    // 需要返回订单菜品信息，自定义OrderVO响应结果
    List<OrderVO> orderVOList = new ArrayList<>();

    List<Orders> ordersList = page.getRecords();
    if (!CollectionUtils.isEmpty(ordersList)) {
        for (Orders orders : ordersList) {
            // 将共同字段复制到OrderVO
            OrderVO orderVO = new OrderVO();
            BeanUtils.copyProperties(orders, orderVO);
            String orderDishes = getOrderDishesStr(orders);
            // 将订单菜品信息封装到orderVO中，并添加到orderVOList
            orderVO.setOrderDishes(orderDishes);
            orderVOList.add(orderVO);
        }
    }
    return orderVOList;
}

/**
 * 根据订单id获取菜品信息字符串
 */
private String getOrderDishesStr(Orders orders) {
    // 查询订单菜品详情信息（订单中的菜品和数量）
    LambdaQueryWrapper<OrderDetail> queryWrapper = new LambdaQueryWrapper<>();
    queryWrapper.eq(OrderDetail::getOrderId, orders.getId());
    List<OrderDetail> orderDetailList = orderDetailMapper.selectList(queryWrapper);

    // 将每一条订单菜品信息拼接为字符串（格式：宫保鸡丁*3；）
    List<String> orderDishList = orderDetailList.stream().map(x -> {
        String orderDish = x.getName() + "*" + x.getNumber() + ";";
        return orderDish;
    }).toList();
    // 将该订单对应的所有菜品信息拼接在一起
    return String.join("", orderDishList);
}

各个状态的订单数量统计

OrderController

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/**
 * 各个状态的订单数量统计
 */
@GetMapping("/statistics")
@ApiOperation("各个状态的订单数量统计")
public Result<OrderStatisticsVO> statistics() {
    OrderStatisticsVO orderStatisticsVO = orderService.statistics();
    return Result.success(orderStatisticsVO);
}

OrderService

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/**
 * 各个状态的订单数量统计
 */
OrderStatisticsVO statistics();

OrderServiceImpl

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/**
 * 各个状态的订单数量统计
 */
@Override
public OrderStatisticsVO statistics() {
    // 根据状态，分别查询出待接单、待派送、派送中的订单数量
    Integer toBeConfirmed = orderMapper.countStatus(Orders.TO_BE_CONFIRMED);
    Integer confirmed = orderMapper.countStatus(Orders.CONFIRMED);
    Integer deliveryInProgress = orderMapper.countStatus(Orders.DELIVERY_IN_PROGRESS);

    // 将查询出的数据封装到orderStatisticsVO中响应
    OrderStatisticsVO orderStatisticsVO = new OrderStatisticsVO();
    orderStatisticsVO.setToBeConfirmed(toBeConfirmed);
    orderStatisticsVO.setConfirmed(confirmed);
    orderStatisticsVO.setDeliveryInProgress(deliveryInProgress);
    return orderStatisticsVO;
}

orderMapper

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/**
 * 统计订单状态
 */
@Select("select count(id) from orders where status = #{status}")
Integer countStatus(Integer toBeConfirmed);

查询订单详情

OrderController

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/**
 * 订单详情
 */
@GetMapping("/details/{id}")
@ApiOperation("订单详情")
public Result<OrderVO> details(@PathVariable Long id) {
    OrderVO orderVO = orderService.details(id);
    return Result.success(orderVO);
}

接单

OrderController

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/**
    * 接单
    */
   @PutMapping("/confirm")
   @ApiOperation("接单")
   public Result confirm(@RequestBody OrdersConfirmDTO ordersConfirmDTO) {
       orderService.confirm(ordersConfirmDTO);
       return Result.success();
   }

OrderService

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/**
 * 接单
 */
void confirm(OrdersConfirmDTO ordersConfirmDTO);

OrderServiceImpl

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 /**
 * 接单
 */
@Override
public void confirm(OrdersConfirmDTO ordersConfirmDTO) {
    Orders orders = Orders.builder()
            .id(ordersConfirmDTO.getId())
            .status(Orders.CONFIRMED)
            .build();
    orderMapper.updateById(orders);
}

拒单

OrderController

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/**
     * 拒单
     */
    @PutMapping("/rejection")
    @ApiOperation("拒单")
    public Result rejection(@RequestBody OrdersRejectionDTO ordersRejectionDTO) throws Exception {
        orderService.rejection(ordersRejectionDTO);
        return Result.success();
    }

OrderService

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/**
 * 拒单
 */
void rejection(OrdersRejectionDTO ordersRejectionDTO) throws Exception;

OrderServiceImpl

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    /**
     * 拒单
     */
    @Override
    public void rejection(OrdersRejectionDTO ordersRejectionDTO) throws Exception{
        // 根据id查询订单
        Orders ordersDB = orderMapper.selectById(ordersRejectionDTO.getId());

        // 订单只有存在且状态为2（待接单）才可以拒单
        if (ordersDB == null || !ordersDB.getStatus().equals(Orders.TO_BE_CONFIRMED)) {
            throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);
        }

        //支付状态
        Integer payStatus = ordersDB.getPayStatus();
        //订单状态
        if (payStatus.equals(Orders.PAID)) {
            //调用微信支付退款接口,用户已支付，需要退款
//            String refund = weChatPayUtil.refund(
//                    ordersDB.getNumber(),
//                    ordersDB.getNumber(),
//                    new BigDecimal(0.01),
//                    new BigDecimal(0.01));
//            log.info("申请退款：{}", refund);
        }

        // 拒单需要退款，根据订单id更新订单状态、拒单原因、取消时间
        Orders orders = new Orders();
        orders.setId(ordersDB.getId());
        orders.setStatus(Orders.CANCELLED);
        orders.setRejectionReason(ordersRejectionDTO.getRejectionReason());
        orders.setCancelTime(LocalDateTime.now());

        orderMapper.updateById(orders);
    }

取消订单

OrderController

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 /**
 * 取消订单
 */
@PutMapping("/cancel")
@ApiOperation("取消订单")
public Result cancel(@RequestBody OrdersCancelDTO ordersCancelDTO) throws Exception {
    orderService.cancel(ordersCancelDTO);
    return Result.success();
}

OrderService

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/**
   * 取消订单
   */
  void cancel(OrdersCancelDTO ordersCancelDTO) throws Exception;

OrderServiceImpl

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     /**
     * 取消订单
     */
    @Override
    public void cancel(OrdersCancelDTO ordersCancelDTO) throws Exception {
        // 根据id查询订单
        Orders ordersDB = orderMapper.selectById(ordersCancelDTO.getId());

        //支付状态
        Integer payStatus = ordersDB.getPayStatus();
        //订单状态
        if (payStatus.equals(Orders.PAID)) {
            //调用微信支付退款接口,用户已支付，需要退款
//            String refund = weChatPayUtil.refund(
//                    ordersDB.getNumber(),
//                    ordersDB.getNumber(),
//                    new BigDecimal(0.01),
//                    new BigDecimal(0.01));
//            log.info("申请退款：{}", refund);
        }

        // 管理端取消订单需要退款，根据订单id更新订单状态、取消原因、取消时间
        Orders orders = new Orders();
        orders.setId(ordersCancelDTO.getId());
        orders.setStatus(Orders.CANCELLED);
        orders.setCancelReason(ordersCancelDTO.getCancelReason());
        orders.setCancelTime(LocalDateTime.now());
        orderMapper.updateById(orders);
    }

派送订单

OrderController

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/**
 * 派送订单
 */
@PutMapping("/delivery/{id}")
@ApiOperation("派送订单")
public Result delivery(@PathVariable("id") Long id) {
    orderService.delivery(id);
    return Result.success();
}

OrderService

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/**
 * 派送订单
 */
void delivery(Long id);

OrderServiceImpl

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/**
 * 派送订单
 */
@Override
public void delivery(Long id) {
    // 根据id查询订单
    Orders ordersDB = orderMapper.selectById(id);

    // 订单只有存在且状态为3（已接单）才可以派送
    if (ordersDB == null || !ordersDB.getStatus().equals(Orders.CONFIRMED)) {
        throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);
    }

    // 根据订单id更新订单状态、派送时间
    Orders orders = Orders.builder()
            .id(ordersDB.getId())
            .status(Orders.DELIVERY_IN_PROGRESS)
            .build();
    orderMapper.updateById(orders);
}

完成订单

OrderController

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/**
 * 完成订单
 */
@PutMapping("/complete/{id}")
@ApiOperation("完成订单")
public Result complete (@PathVariable("id") Long id) {
    orderService.complete(id);
    return Result.success();
}

OrderService

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/**
 * 完成订单
 */
void complete(Long id);

OrderServiceImpl

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/**
 * 完成订单
 */
@Override
public void complete(Long id) {
    // 根据id查询订单
    Orders ordersDB = orderMapper.selectById(id);

    // 校验订单是否存在，并且状态为4
    if (ordersDB == null || !ordersDB.getStatus().equals(Orders.DELIVERY_IN_PROGRESS)) {
        throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);
    }

    // 根据订单id更新订单状态、完成时间
    Orders orders = Orders.builder()
            .id(ordersDB.getId())
            .status(Orders.COMPLETED)
            .deliveryTime(LocalDateTime.now())
            .build();
    orderMapper.updateById(orders);
}

校验收货地址是否超出配送范围

登录百度地图开放平台：https://lbsyun.baidu.com/
20241015164424

20241015164437

相关接口:

https://lbsyun.baidu.com/index.php?title=webapi/guide/webservice-geocoding

https://lbsyun.baidu.com/index.php?title=webapi/directionlite-v1

application

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shop:
  address: ${sky.shop.address}
baidu:
  ak: ${sky.baidu.ak}

OrderServiceImpl

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@Value("${sky.shop.address}")
private String shopAddress;

@Value("${sky.baidu.ak}")
private String ak;

 /**
 * 检查客户的收货地址是否超出配送范围
 */
private void checkOutOfRange(String address) {
    Map map = new HashMap();
    map.put("address",shopAddress);
    map.put("output","json");
    map.put("ak",ak);

    //获取店铺的经纬度坐标
    String shopCoordinate = HttpClientUtil.doGet("https://api.map.baidu.com/geocoding/v3", map);

    JSONObject jsonObject = JSON.parseObject(shopCoordinate);
    if(!jsonObject.getString("status").equals("0")){
        throw new OrderBusinessException("店铺地址解析失败");
    }

    //数据解析
    JSONObject location = jsonObject.getJSONObject("result").getJSONObject("location");
    String lat = location.getString("lat");
    String lng = location.getString("lng");
    //店铺经纬度坐标
    String shopLngLat = lat + "," + lng;

    map.put("address",address);
    //获取用户收货地址的经纬度坐标
    String userCoordinate = HttpClientUtil.doGet("https://api.map.baidu.com/geocoding/v3", map);

    jsonObject = JSON.parseObject(userCoordinate);
    if(!jsonObject.getString("status").equals("0")){
        throw new OrderBusinessException("收货地址解析失败");
    }

    //数据解析
    location = jsonObject.getJSONObject("result").getJSONObject("location");
    lat = location.getString("lat");
    lng = location.getString("lng");
    //用户收货地址经纬度坐标
    String userLngLat = lat + "," + lng;

    map.put("origin",shopLngLat);
    map.put("destination",userLngLat);
    map.put("steps_info","0");

    //路线规划
    String json = HttpClientUtil.doGet("https://api.map.baidu.com/directionlite/v1/driving", map);

    jsonObject = JSON.parseObject(json);
    if(!jsonObject.getString("status").equals("0")){
        throw new OrderBusinessException("配送路线规划失败");
    }

    //数据解析
    JSONObject result = jsonObject.getJSONObject("result");
    JSONArray jsonArray = (JSONArray) result.get("routes");
    Integer distance = (Integer) ((JSONObject) jsonArray.get(0)).get("distance");

    if(distance > 5000){
        //配送距离超过5000米
        throw new OrderBusinessException("超出配送范围");
    }

改进用户下单

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/**
  * 用户下单
  */
 @Override
 @Transactional
 public OrderSubmitVO submitOrder(OrdersSubmitDTO ordersSubmitDTO) {
     //处理各种业务异常(地址簿为空，购物车为空，商品库存不足等)
     AddressBook addressBook = addressBookMapper.selectById(ordersSubmitDTO.getAddressBookId());
     if (addressBook == null) {
         throw new AddressBookBusinessException(MessageConstant.ADDRESS_BOOK_IS_NULL);
     }

     //检查收货地址是否超出配送范围
     checkOutOfRange(addressBook.getProvinceName() + addressBook.getDistrictName() + addressBook.getDetail());

     Long currentId = BaseContext.getCurrentId();
     ShoppingCart shoppingCart = new ShoppingCart();
     shoppingCart.setUserId(currentId);
     List<ShoppingCart> ShoppingCartList = shoppingCartMapper.list(shoppingCart);
     if (ShoppingCartList == null || ShoppingCartList.isEmpty()) {
         throw new AddressBookBusinessException(MessageConstant.SHOPPING_CART_IS_NULL);
     }
     //向订单表插入1条数据
     Orders orders = new Orders();
     BeanUtils.copyProperties(ordersSubmitDTO, orders);
     orders.setOrderTime(LocalDateTime.now());
     orders.setPayStatus(Orders.UN_PAID);
     orders.setStatus(Orders.PENDING_PAYMENT);
     orders.setNumber(String.valueOf(System.currentTimeMillis()));
     orders.setPhone(addressBook.getPhone());
     orders.setConsignee(addressBook.getConsignee());
     orders.setUserId(currentId);
     orders.setAddress(addressBook.getProvinceName() + addressBook.getDistrictName() + addressBook.getDetail());
     orders.setTablewareNumber(ordersSubmitDTO.getTablewareNumber());
     orders.setTablewareStatus(ordersSubmitDTO.getTablewareStatus());
     orders.setRemark(ordersSubmitDTO.getRemark());
     orderMapper.insert(orders);

     List<OrderDetail> orderDetailList = new ArrayList<>();
     //向订单详情表插入多条数据
     ShoppingCartList.forEach(cart -> {
         OrderDetail orderDetail = new OrderDetail();
         BeanUtils.copyProperties(cart, orderDetail);
         orderDetail.setOrderId(orders.getId());
         orderDetailList.add(orderDetail);
     });
     MybatisBatch<OrderDetail> mybatisBatch = new MybatisBatch<>(sqlSessionFactory, orderDetailList);
     MybatisBatch.Method<OrderDetail> method = new MybatisBatch.Method<>(OrderDetailMapper.class);
     mybatisBatch.execute(method.insert());
     //如果下单成功，清空购物车数据
     LambdaQueryWrapper<ShoppingCart> queryWrapper = new LambdaQueryWrapper<>();
     queryWrapper.eq(ShoppingCart::getUserId, currentId);
     shoppingCartMapper.delete(queryWrapper);
     //封装返回数据
     OrderSubmitVO orderSubmitVO = OrderSubmitVO.builder()
             .id(orders.getId())
             .orderTime(orders.getOrderTime())
             .orderNumber(orders.getNumber())
             .orderAmount(orders.getAmount())
             .build();
     return orderSubmitVO;
 }