更新了商品类别

src/main/java/com/cultural/heritage/controller/order/OrderController.java

@@ -76,7 +76,7 @@ public class OrderController {
      */
     @PostMapping("/add/cart")
     @Transactional(rollbackFor = Exception.class)
-    @Operation(summary = "用户通过购物车创建订单", description = "参数：")
+    @Operation(summary = "用户通过购物车创建订单", description = "参数：购物车订单创建请求体，权限：所有人，方法名：addCartOrder")
     public BaseResponse<Long> addCartOrder(@RequestBody CartOrderAddRequest cartOrderAddRequest, HttpServletRequest request) {
         if (cartOrderAddRequest == null) {
             throw new BusinessException(ErrorCode.PARAMS_ERROR);
@@ -86,15 +86,14 @@ public class OrderController {
         Long userId = loginUser.getId();
 
 
-
-
         // 封装成订单创建请求体
         OrderMainInfoAddRequest orderMainInfoAddRequest = new OrderMainInfoAddRequest();
         BeanUtils.copyProperties(cartOrderAddRequest, orderMainInfoAddRequest);
 
         // 校验购物车数据是否准确
         List<CartOrderItemAddRequest> cartOrderItemAddRequestList = cartOrderAddRequest.getCartOrderItemAddRequestList();
-
+        boolean isAccurate = cartRecordService.validIsConsistent(cartOrderItemAddRequestList);
+        ThrowUtils.throwIf(!isAccurate, ErrorCode.SYSTEM_ERROR, "当前购物车中的某些商品已下架或者库存不足，无法生成订单");
         // 获取购物车id列表
         List<Long> cartIds = cartOrderItemAddRequestList.stream().map(CartOrderItemAddRequest::getCartRecordId).toList();
         // 根据id列表获取购物车商品信息

src/main/java/com/cultural/heritage/service/good/CartRecordService.java

@@ -31,7 +31,7 @@ public interface CartRecordService extends IService<CartRecord> {
 
 
     /**
-     * 根据购物车订单明细列表校验购物车商品项的准确性
+     * 在提交订单页校验购物车商品项的准确性
      */
     boolean validIsConsistent(List<CartOrderItemAddRequest> cartOrderItemAddRequestList);
 

src/main/java/com/cultural/heritage/service/good/impl/CartRecordServiceImpl.java

@@ -175,11 +175,30 @@ public class CartRecordServiceImpl extends ServiceImpl<CartRecordMapper, CartRec
 
 
     /**
-     * 根据购物车订单明细列表校验购物车商品项的准确性
+     * 在提交订单页校验购物车商品项的准确性
      */
     @Override
     public boolean validIsConsistent(List<CartOrderItemAddRequest> cartOrderItemAddRequestList) {
-        return false;
+
+        // 封装map集合（键：购物车id, 值：购买数量）
+        Map<Long, Integer> map = new HashMap<>();
+        for (CartOrderItemAddRequest cartOrderItemAddRequest : cartOrderItemAddRequestList) {
+            Long cartRecordId = cartOrderItemAddRequest.getCartRecordId();
+            Integer quantity = cartOrderItemAddRequest.getQuantity();
+            map.put(cartRecordId, quantity);
+        }
+        // 修改购物车商品项的购买数量
+        List<Long> cartRecordIds = cartOrderItemAddRequestList.stream().map(CartOrderItemAddRequest::getCartRecordId).toList();
+        QueryWrapper<CartRecord> queryWrapper = new QueryWrapper<>();
+        queryWrapper.in("id", cartRecordIds);
+        List<CartRecord> cartRecordList = this.list(queryWrapper);
+        for (CartRecord cartRecord : cartRecordList) {
+            Long id = cartRecord.getId();
+            Integer quantity = map.get(id);
+            cartRecord.setQuantity(quantity);
+        }
+        List<Long> cartIds = getInvalidCartIds(cartRecordList);
+        return cartIds.isEmpty();
     }
 
 

src/test/java/com/cultural/heritage/test/A.java

@@ -1,6 +1,12 @@
 package com.cultural.heritage.test;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class A {
 
-    public Long num = 10L;
+    public static void main(String[] args) {
+        List<String> list = new ArrayList<>();
+        System.out.println(list.isEmpty());
+    }
 }