用户下单业务说明:
在电商系统中,用户是通过下单的方式通知商家,用户已经购买了商品,需要商家进行备货和发货。用户将菜品或者套餐加入购物车后,可以点击购物车中的 “去结算” 按钮,页面跳转到订单确认页面,点击 “去支付” 按钮则完成下单操作。
用户下单业务对应的数据表为orders表和order_detail表(一对多关系,一个订单关联多个订单明细):
表名 | 含义 | 说明 |
---|---|---|
orders | 订单表 | 主要存储订单的基本信息(如: 订单号、状态、金额、支付方式、下单用户、收件地址等) |
order_detail | 订单明细表 | 主要存储订单详情信息(如: 该订单关联的套餐及菜品的信息) |
具体的表结构如下:
1). orders订单表
字段名 | 数据类型 | 说明 | 备注 |
---|---|---|---|
id | bigint | 主键 | 自增 |
number | varchar(50) | 订单号 | |
status | int | 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 |
user_id | bigint | 用户id | 逻辑外键 |
address_book_id | bigint | 地址id | 逻辑外键 |
order_time | datetime | 下单时间 | |
checkout_time | datetime | 付款时间 | |
pay_method | int | 支付方式 | 1微信支付 2支付宝支付 |
pay_status | tinyint | 支付状态 | 0未支付 1已支付 2退款 |
amount | decimal(10,2) | 订单金额 | |
remark | varchar(100) | 备注信息 | |
phone | varchar(11) | 手机号 | 冗余字段 |
address | varchar(255) | 详细地址信息 | 冗余字段 |
consignee | varchar(32) | 收货人 | 冗余字段 |
cancel_reason | varchar(255) | 订单取消原因 | |
rejection_reason | varchar(255) | 拒单原因 | |
cancel_time | datetime | 订单取消时间 | |
estimated_delivery_time | datetime | 预计送达时间 | |
delivery_status | tinyint | 配送状态 | 1立即送出 0选择具体时间 |
delivery_time | datetime | 送达时间 | |
pack_amount | int | 打包费 | |
tableware_number | int | 餐具数量 | |
tableware_status | tinyint | 餐具数量状态 | 1按餐量提供 0选择具体数量 |
2). order_detail订单明细表
字段名 | 数据类型 | 说明 | 备注 |
---|---|---|---|
id | bigint | 主键 | 自增 |
name | varchar(32) | 商品名称 | 冗余字段 |
image | varchar(255) | 商品图片路径 | 冗余字段 |
order_id | bigint | 订单id | 逻辑外键 |
dish_id | bigint | 菜品id | 逻辑外键 |
setmeal_id | bigint | 套餐id | 逻辑外键 |
dish_flavor | varchar(50) | 菜品口味 | |
number | int | 商品数量 | |
amount | decimal(10,2) | 商品单价 |
说明:用户提交订单时,需要往订单表orders中插入一条记录,并且需要往order_detail中插入一条或多条记录。
在sky-pojo模块,OrdersSubmitDTO.java已定义
package com.sky.dto;
@Data
public class OrdersSubmitDTO implements Serializable {
//地址簿id
private Long addressBookId;
//付款方式
private int payMethod;
//备注
private String remark;
//预计送达时间
@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm:ss")
private LocalDateTime estimatedDeliveryTime;
//配送状态 1立即送出 0选择具体时间
private Integer deliveryStatus;
//餐具数量
private Integer tablewareNumber;
//餐具数量状态 1按餐量提供 0选择具体数量
private Integer tablewareStatus;
//打包费
private Integer packAmount;
//总金额
private BigDecimal amount;
}
根据用户下单接口的返回结果设计VO:
在sky-pojo模块,OrderSubmitVO.java已定义
package com.sky.vo;
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class OrderSubmitVO implements Serializable {
//订单id
private Long id;
//订单号
private String orderNumber;
//订单金额
private BigDecimal orderAmount;
//下单时间
private LocalDateTime orderTime;
}
创建OrderController并提供用户下单方法:
package com.sky.controller.user;
/**
* 订单
*/
@RestController("userOrderController")
@RequestMapping("/user/order")
@Slf4j
@Api(tags = "C端-订单接口")
public class OrderController {
@Autowired
private OrderService orderService;
/**
* 用户下单
*
* @param ordersSubmitDTO
* @return
*/
@PostMapping("/submit")
@ApiOperation("用户下单")
public Result<OrderSubmitVO> submit(@RequestBody OrdersSubmitDTO ordersSubmitDTO) {
log.info("用户下单:{}", ordersSubmitDTO);
OrderSubmitVO orderSubmitVO = orderService.submitOrder(ordersSubmitDTO);
return Result.success(orderSubmitVO);
}
}
创建OrderService接口,并声明用户下单方法:
package com.sky.service;
import com.sky.dto.*;
import com.sky.vo.OrderSubmitVO;
public interface OrderService {
/**
* 用户下单
* @param ordersSubmitDTO
* @return
*/
OrderSubmitVO submitOrder(OrdersSubmitDTO ordersSubmitDTO);
}
创建OrderServiceImpl实现OrderService接口:
package com.sky.service.impl;
/**
* 订单
*/
@Service
@Slf4j
public class OrderServiceImpl implements OrderService {
@Autowired
private OrderMapper orderMapper;
@Autowired
private OrderDetailMapper orderDetailMapper;
@Autowired
private ShoppingCartMapper shoppingCartMapper;
@Autowired
private AddressBookMapper addressBookMapper;
/**
* 用户下单
*
* @param ordersSubmitDTO
* @return
*/
@Transactional
public OrderSubmitVO submitOrder(OrdersSubmitDTO ordersSubmitDTO) {
//异常情况的处理(收货地址为空、超出配送范围、购物车为空)
AddressBook addressBook = addressBookMapper.getById(ordersSubmitDTO.getAddressBookId());
if (addressBook == null) {
throw new AddressBookBusinessException(MessageConstant.ADDRESS_BOOK_IS_NULL);
}
Long userId = BaseContext.getCurrentId();
ShoppingCart shoppingCart = new ShoppingCart();
shoppingCart.setUserId(userId);
//查询当前用户的购物车数据
List<ShoppingCart> shoppingCartList = shoppingCartMapper.list(shoppingCart);
if (shoppingCartList == null || shoppingCartList.size() == 0) {
throw new ShoppingCartBusinessException(MessageConstant.SHOPPING_CART_IS_NULL);
}
//构造订单数据
Orders order = new Orders();
BeanUtils.copyProperties(ordersSubmitDTO,order);
order.setPhone(addressBook.getPhone());
order.setAddress(addressBook.getDetail());
order.setConsignee(addressBook.getConsignee());
order.setNumber(String.valueOf(System.currentTimeMillis()));
order.setUserId(userId);
order.setStatus(Orders.PENDING_PAYMENT);
order.setPayStatus(Orders.UN_PAID);
order.setOrderTime(LocalDateTime.now());
//向订单表插入1条数据
orderMapper.insert(order);
//订单明细数据
List<OrderDetail> orderDetailList = new ArrayList<>();
for (ShoppingCart cart : shoppingCartList) {
OrderDetail orderDetail = new OrderDetail();
BeanUtils.copyProperties(cart, orderDetail);
orderDetail.setOrderId(order.getId());
orderDetailList.add(orderDetail);
}
//向明细表插入n条数据
orderDetailMapper.insertBatch(orderDetailList);
//清理购物车中的数据
shoppingCartMapper.deleteByUserId(userId);
//封装返回结果
OrderSubmitVO orderSubmitVO = OrderSubmitVO.builder()
.id(order.getId())
.orderNumber(order.getNumber())
.orderAmount(order.getAmount())
.orderTime(order.getOrderTime())
.build();
return orderSubmitVO;
}
}
创建OrderMapper接口和对应的xml映射文件:
OrderMapper.java
package com.sky.mapper;
@Mapper
public interface OrderMapper {
/**
* 插入订单数据
* @param order
*/
void insert(Orders order);
}
OrderMapper.xml
DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.sky.mapper.OrderMapper">
<insert id="insert" parameterType="Orders" useGeneratedKeys="true" keyProperty="id">
insert into orders
(number, status, user_id, address_book_id, order_time, checkout_time, pay_method, pay_status, amount, remark,
phone, address, consignee, estimated_delivery_time, delivery_status, pack_amount, tableware_number,
tableware_status)
values (#{number}, #{status}, #{userId}, #{addressBookId}, #{orderTime}, #{checkoutTime}, #{payMethod},
#{payStatus}, #{amount}, #{remark}, #{phone}, #{address}, #{consignee},
#{estimatedDeliveryTime}, #{deliveryStatus}, #{packAmount}, #{tablewareNumber}, #{tablewareStatus})
insert>
mapper>
创建OrderDetailMapper接口和对应的xml映射文件:
OrderDetailMapper.java
package com.sky.mapper;
import com.sky.entity.OrderDetail;
import java.util.List;
@Mapper
public interface OrderDetailMapper {
/**
* 批量插入订单明细数据
* @param orderDetails
*/
void insertBatch(List<OrderDetail> orderDetails);
}
OrderDetailMapper.xml
DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.sky.mapper.OrderDetailMapper">
<insert id="insertBatch" parameterType="list">
insert into order_detail
(name, order_id, dish_id, setmeal_id, dish_flavor, number, amount, image)
values
<foreach collection="orderDetails" item="od" separator=",">
(#{od.name},#{od.orderId},#{od.dishId},#{od.setmealId},#{od.dishFlavor},
#{od.number},#{od.amount},#{od.image})
foreach>
insert>
mapper>
去结算–>去支付
后记
美好的一天,到此结束,下次继续努力!欲知后续,请看下回分解,写作不易,感谢大家的支持!!