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后端创建订单接口完成；删除service层interface

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小墨
2023-03-19 17:39:50 +08:00
parent 33ebe5a982
commit 90a17c926e
25 changed files with 1092 additions and 417 deletions
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4
backend/microservice-provider-shop-8003/pom.xml
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@@ -13,8 +13,8 @@
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
</properties>
<dependencies>

4
backend/microservice-provider-shop-8003/src/main/java/com/cxyxiaomo/epp/shop/controller/GoodsController.java
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@@ -3,7 +3,7 @@ package com.cxyxiaomo.epp.shop.controller;
import com.cxyxiaomo.epp.common.response.Res;
import com.cxyxiaomo.epp.common.vo.GoodCategoryVO;
import com.cxyxiaomo.epp.common.vo.GoodVO;
import com.cxyxiaomo.epp.shop.service.GoodsServiceImpl;
import com.cxyxiaomo.epp.shop.service.GoodsService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
@@ -17,7 +17,7 @@ import java.util.List;
public class GoodsController {
@Resource
GoodsServiceImpl goodsService;
GoodsService goodsService;
/**
* 小程序端商品列表

72
backend/microservice-provider-shop-8003/src/main/java/com/cxyxiaomo/epp/shop/controller/OrderController.java Normal file
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@@ -0,0 +1,72 @@
package com.cxyxiaomo.epp.shop.controller;
import com.alibaba.fastjson2.JSONArray;
import com.alibaba.fastjson2.JSONObject;
import com.cxyxiaomo.epp.common.pojo.OrderDetail;
import com.cxyxiaomo.epp.common.response.Res;
import com.cxyxiaomo.epp.shop.service.OrderService;
import org.springframework.web.bind.annotation.*;
import javax.annotation.Resource;
import java.util.LinkedList;
import java.util.Map;
@RestController
@RequestMapping("/shop/order")
public class OrderController {
@Resource
OrderService orderService;
/**
* 小程序端创建订单
*
* @param userId 下单用户
* @param orderList 下单商品 [ { goodId, count }, ... ]
* @param orderList 下单商品 [ { goodId, count }, ... ]
* @return
*/
@PostMapping("/miniprogram/createOrder")
@ResponseBody
public Res createOrder(@RequestBody JSONObject params) {
Integer userId = params.getInteger("userId");
JSONArray orderList = params.getJSONArray("orderList");
if (userId == null || orderList == null) {
return Res.error("参数错误");
}
LinkedList<OrderDetail> orderDetailList = new LinkedList<>();
for (Object o : orderList) {
if (o == null || o instanceof JSONObject) {
return Res.error("参数错误");
}
JSONObject order = new JSONObject((Map) o);
Long goodId = order.getLong("goodId");
Integer count = order.getInteger("count");
if (goodId == null || goodId < 1 || count == null || count < 1) {
return Res.error("参数错误");
}
OrderDetail orderDetail = new OrderDetail();
orderDetail.setGoodId(goodId);
orderDetail.setGoodCount(count);
orderDetailList.add(orderDetail);
}
if (orderDetailList.size() == 0) {
return Res.error("订单中不包含商品，不能创建空订单");
}
try {
long orderId = orderService.createOrder(userId, orderDetailList);
return Res.success(orderId);
} catch (Exception e) {
String message = e.getMessage();
if (message.contains("Exception")) {
// 内部异常不打印出去
return Res.error("创建订单失败，请重试");
} else {
return Res.error(message);
}
}
}
}

8
backend/microservice-provider-shop-8003/src/main/java/com/cxyxiaomo/epp/shop/dao/GoodsDao.java
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@@ -14,4 +14,12 @@ public interface GoodsDao {
List<Good> list(@Param("cateId") Integer cateId, @Param("searchText") String searchText);
Good getById(Long id);
Good selectById(Long id);
Integer insert(Good good);
Integer update(Good good);
Integer deleteById(Integer id);
}

52
backend/microservice-provider-shop-8003/src/main/java/com/cxyxiaomo/epp/shop/dao/OrderDao.java Normal file
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@@ -0,0 +1,52 @@
package com.cxyxiaomo.epp.shop.dao;
import com.cxyxiaomo.epp.common.pojo.Order;
import com.cxyxiaomo.epp.common.pojo.OrderDetail;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Repository;
import java.util.List;
@Mapper
@Repository
public interface OrderDao {
/**
* 根据订单 ID 查询订单信息
*
* @param orderId
* @return
*/
Order getOrderById(Integer orderId);
/**
* 根据用户 ID 查询订单列表
*
* @param userId
* @return
*/
List<Order> listOrdersByUserId(Integer userId);
/**
* 创建订单
*
* @param order
* @return
*/
int insertOrder(Order order);
/**
* 批量插入订单详情
*
* @param details
* @return
*/
int batchInsertOrderDetail(List<OrderDetail> details);
// 更新订单状态
int updateOrderStatus(@Param("orderId") Integer orderId, @Param("status") String status);
// 根据订单 ID 删除订单信息及订单详情信息
int deleteOrderById(Integer orderId);
}

33
backend/microservice-provider-shop-8003/src/main/java/com/cxyxiaomo/epp/shop/service/GoodsService.java
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@@ -1,15 +1,40 @@
package com.cxyxiaomo.epp.shop.service;
import com.cxyxiaomo.epp.common.pojo.Good;
import com.cxyxiaomo.epp.common.pojo.GoodCategory;
import com.cxyxiaomo.epp.common.vo.GoodCategoryVO;
import com.cxyxiaomo.epp.common.vo.GoodVO;
import com.cxyxiaomo.epp.shop.dao.GoodsCategoryDao;
import com.cxyxiaomo.epp.shop.dao.GoodsDao;
import org.springframework.stereotype.Service;
import javax.annotation.Resource;
import java.util.List;
public interface GoodsService {
@Service
public class GoodsService {
List<GoodVO> list(Integer cateId, String searchText);
@Resource
GoodsDao goodsDao;
GoodVO getById(Long id);
@Resource
GoodsCategoryDao goodsCategoryDao;
List<GoodCategoryVO> cateList();
public List<GoodVO> list(Integer cateId, String searchText) {
List<Good> list = goodsDao.list(cateId, searchText);
List<GoodVO> goodVOS = GoodVO.convertFrom(list);
return goodVOS;
}
public GoodVO getById(Long id) {
Good good = goodsDao.getById(id);
GoodVO goodVO = GoodVO.convertFrom(good);
return goodVO;
}
public List<GoodCategoryVO> cateList() {
List<GoodCategory> list = goodsCategoryDao.list();
List<GoodCategoryVO> goodCategoryVOList = GoodCategoryVO.convertFrom(list);
return goodCategoryVOList;
}
}

43
backend/microservice-provider-shop-8003/src/main/java/com/cxyxiaomo/epp/shop/service/GoodsServiceImpl.java
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@@ -1,43 +0,0 @@
package com.cxyxiaomo.epp.shop.service;
import com.cxyxiaomo.epp.common.pojo.Good;
import com.cxyxiaomo.epp.common.pojo.GoodCategory;
import com.cxyxiaomo.epp.common.vo.GoodCategoryVO;
import com.cxyxiaomo.epp.common.vo.GoodVO;
import com.cxyxiaomo.epp.shop.dao.GoodsCategoryDao;
import com.cxyxiaomo.epp.shop.dao.GoodsDao;
import org.springframework.stereotype.Service;
import javax.annotation.Resource;
import java.util.List;
@Service
public class GoodsServiceImpl implements GoodsService {
@Resource
GoodsDao goodsDao;
@Resource
GoodsCategoryDao goodsCategoryDao;
@Override
public List<GoodVO> list(Integer cateId, String searchText) {
List<Good> list = goodsDao.list(cateId, searchText);
List<GoodVO> goodVOS = GoodVO.convertFrom(list);
return goodVOS;
}
@Override
public GoodVO getById(Long id) {
Good good = goodsDao.getById(id);
GoodVO goodVO = GoodVO.convertFrom(good);
return goodVO;
}
@Override
public List<GoodCategoryVO> cateList() {
List<GoodCategory> list = goodsCategoryDao.list();
List<GoodCategoryVO> goodCategoryVOList = GoodCategoryVO.convertFrom(list);
return goodCategoryVOList;
}
}

71
backend/microservice-provider-shop-8003/src/main/java/com/cxyxiaomo/epp/shop/service/OrderService.java Normal file
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@@ -0,0 +1,71 @@
package com.cxyxiaomo.epp.shop.service;
import com.cxyxiaomo.epp.common.enums.OrderStatus;
import com.cxyxiaomo.epp.common.pojo.Good;
import com.cxyxiaomo.epp.common.pojo.Order;
import com.cxyxiaomo.epp.common.pojo.OrderDetail;
import com.cxyxiaomo.epp.common.utils.SnowflakeManager;
import com.cxyxiaomo.epp.shop.dao.GoodsDao;
import com.cxyxiaomo.epp.shop.dao.OrderDao;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.transaction.interceptor.TransactionAspectSupport;
import javax.annotation.Resource;
import java.time.LocalDateTime;
import java.util.List;
@Service
public class OrderService {
@Resource
private GoodsDao goodsDao;
@Resource
private OrderDao orderDao;
/**
* 创建订单，返回订单编号
*
* @param userId
* @param orderItemList
* @return
* @throws Exception
*/
@Transactional(rollbackFor = Exception.class)
public long createOrder(int userId, List<OrderDetail> orderItemList) throws Exception {
// 创建订单编号
SnowflakeManager snowflakeManager = new SnowflakeManager(1L, 1L);
long orderId = snowflakeManager.nextValue();
// 创建订单
Order order = new Order();
order.setId(orderId);
order.setUserId(userId);
order.setOrderDate(LocalDateTime.now());
order.setOrderStatus(OrderStatus.PENDING);
orderDao.insertOrder(order);
// 创建订单详情
for (OrderDetail orderItem : orderItemList) {
if (orderItem == null || orderItem.getGoodId() == null || orderItem.getGoodCount() == null) {
TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
throw new IllegalArgumentException("商品不存在");
}
// 查询商品价格
Good good = goodsDao.selectById(orderItem.getGoodId());
if (good == null || good.getDeleted() || good.getRetailPrice() == null) {
throw new IllegalArgumentException("商品已删除或状态异常，无法下单");
}
Double retailPrice = good.getRetailPrice();
// 手动塞入信息
orderItem.setId(null);
orderItem.setOrderId(orderId);
orderItem.setUnitPrice(retailPrice);
}
orderDao.batchInsertOrderDetail(orderItemList);
return orderId;
}
}

5
backend/microservice-provider-shop-8003/src/main/resources/application.yml
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@@ -21,3 +21,8 @@ spring:
url: jdbc:mysql://127.0.0.1:3306/epp?useUnicode=true&characterEncoding=utf8&useSSL=false
username: root
password: root
logging:
level:
org.mybatis.spring.SqlSessionFactoryBean: DEBUG
# org.mybatis.spring.SqlSessionFactoryBean: TRACE

64
backend/microservice-provider-shop-8003/src/main/resources/mybatis/mapper/GoodsMapper.xml
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@@ -3,6 +3,24 @@
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.cxyxiaomo.epp.shop.dao.GoodsDao">
<resultMap id="GoodsResultMap" type="com.cxyxiaomo.epp.common.pojo.Good">
<id column="id" property="id" />
<result column="goods_name" property="goodsName" />
<result column="category_id" property="categoryId" />
<result column="brand" property="brand" />
<result column="gallery" property="gallery" />
<result column="brief" property="brief" />
<result column="is_on_sale" property="isOnSale" />
<result column="sort_order" property="sortOrder" />
<result column="pic_url" property="picUrl" />
<result column="type" property="type" />
<result column="unit" property="unit" />
<result column="counter_price" property="counterPrice" />
<result column="retail_price" property="retailPrice" />
<result column="detail" property="detail" />
<result column="deleted" property="deleted" />
</resultMap>
<!--<insert id="insert" parameterType="com.cxyxiaomo.epp.common.pojo.Good">-->
<!-- INSERT INTO report (`user_id`, `name`, `address`, `time`, `temperature`)-->
<!-- VALUES (#{userId}, #{name}, #{address}, #{time}, #{temperature})-->
@@ -25,4 +43,50 @@
WHERE id = #{id}
order by `sort_order` asc
</select>
<select id="selectById" resultMap="GoodsResultMap">
SELECT *
FROM goods
WHERE id = #{id}
</select>
<!--<select id="selectByCategoryId" resultMap="GoodsResultMap">-->
<!-- SELECT *-->
<!-- FROM goods-->
<!-- WHERE category_id = #{categoryId}-->
<!--</select>-->
<!--<select id="selectAll" resultMap="GoodsResultMap">-->
<!-- SELECT *-->
<!-- FROM goods-->
<!--</select>-->
<insert id="insert" parameterType="com.cxyxiaomo.epp.common.pojo.Good" useGeneratedKeys="true" keyProperty="id">
INSERT INTO goods (goods_name, category_id, brand, gallery, brief, is_on_sale, sort_order, pic_url, type, unit, counter_price, retail_price, detail, deleted)
VALUES (#{goodsName}, #{categoryId}, #{brand}, #{gallery}, #{brief}, #{isOnSale}, #{sortOrder}, #{picUrl}, #{type}, #{unit}, #{counterPrice}, #{retailPrice}, #{detail}, #{deleted})
</insert>
<update id="update" parameterType="com.cxyxiaomo.epp.common.pojo.Good">
UPDATE goods
SET goods_name = #{goodsName},
category_id = #{categoryId},
brand = #{brand},
gallery = #{gallery},
brief = #{brief},
is_on_sale = #{isOnSale},
sort_order = #{sortOrder},
pic_url = #{picUrl},
type = #{type},
unit = #{unit},
counter_price = #{counterPrice},
retail_price = #{retailPrice},
detail = #{detail},
deleted = #{deleted}
WHERE id = #{id}
</update>
<delete id="deleteById">
DELETE FROM goods
WHERE id = #{id}
</delete>
</mapper>

62
backend/microservice-provider-shop-8003/src/main/resources/mybatis/mapper/OrderDao.xml Normal file
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@@ -0,0 +1,62 @@
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.cxyxiaomo.epp.shop.dao.OrderDao">
<resultMap id="OrderResultMap" type="com.cxyxiaomo.epp.common.pojo.Order">
<id column="id" property="id"/>
<result column="user_id" property="userId"/>
<result column="order_date" property="orderDate"/>
<result column="order_status" property="orderStatus"/>
</resultMap>
<resultMap id="OrderDetailResultMap" type="com.cxyxiaomo.epp.common.pojo.OrderDetail">
<id property="id" column="id" />
<result property="orderId" column="order_id" />
<result property="goodId" column="good_id" />
<result property="goodCount" column="good_count" />
<result property="unitPrice" column="unit_price" />
</resultMap>
<!-- 根据订单 ID 查询订单信息 -->
<select id="getOrderById" resultMap="OrderResultMap">
SELECT * FROM order WHERE order_id=#{orderId}
</select>
<!-- 根据用户 ID 查询订单列表 -->
<select id="listOrdersByUserId" resultType="com.cxyxiaomo.epp.common.pojo.Order">
SELECT *
FROM order
WHERE user_id = #{userId}
</select>
<!-- 创建订单 -->
<insert id="insertOrder" parameterType="com.cxyxiaomo.epp.common.pojo.Order" useGeneratedKeys="true" keyProperty="orderId">
INSERT INTO `order` (id, user_id, order_date, order_status) VALUES
(#{id}, #{userId}, #{orderDate,javaType=java.time.LocalDateTime,jdbcType=TIMESTAMP}, #{orderStatus})
</insert>
<!-- 批量插入订单详情 -->
<insert id="batchInsertOrderDetail" parameterType="java.util.List">
INSERT INTO order_detail (order_id, good_id, good_count, unit_price)
VALUES
<if test="list != null and list.size() > 0">
<foreach collection="list" item="detail" separator=",">
(#{detail.orderId}, #{detail.goodId}, #{detail.goodCount}, #{detail.unitPrice})
</foreach>
</if>
<if test="list == null or list.size() == 0">
()
</if>
</insert>
<update id="updateOrderStatus" parameterType="com.cxyxiaomo.epp.common.pojo.Order">
UPDATE order SET order_status=#{orderStatus} WHERE order_id=#{orderId}
</update>
<!-- 根据订单 ID 删除订单信息及订单详情信息 -->
<delete id="deleteOrderById" parameterType="java.lang.Integer">
DELETE FROM order WHERE order_id = #{orderId};
DELETE FROM goods_order_details WHERE order_id = #{orderId};
</delete>
</mapper>

4
backend/microservice-provider-shop-8003/src/main/resources/mybatis/mybatis-config.xml
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@@ -9,5 +9,9 @@
<!--下划线转小驼峰-->
<setting name="mapUnderscoreToCamelCase" value="true"/>
<!-- 打印 SQL 日志 -->
<!-- 设置logImpl为STDOUT_LOGGING，表示使用标准输出打印SQL日志 -->
<setting name="logImpl" value="STDOUT_LOGGING"/>
</settings>
</configuration>