后端：删除购物车模块，合并到订单模块

后端：设计订单价格计算相关方法

order/order-application/src/main/java/cn/iocoder/mall/order/application/controller/users/UsersCartController.java

@@ -0,0 +1,22 @@
+package cn.iocoder.mall.order.application.controller.users;
+
+import cn.iocoder.common.framework.vo.CommonResult;
+import cn.iocoder.mall.order.api.CartService;
+import cn.iocoder.mall.order.api.OrderService;
+
+public class UsersCartController {
+
+    // TODO 注入
+    private CartService cartService;
+    // TODO 注入
+    private OrderService orderService;
+
+    public CommonResult<Object> confirmOrder() {
+        // 查询购物车列表（选中的）
+//        cartService.list(userId, true);
+        // 查询确认订单信息的明细
+
+        return null;
+    }
+
+}

order/order-application/src/main/java/cn/iocoder/mall/order/application/controller/users/UsersOrderController.java

@@ -6,7 +6,6 @@ import cn.iocoder.mall.order.api.bo.OrderCreateBO;
 import cn.iocoder.mall.order.api.bo.OrderPageBO;
 import cn.iocoder.mall.order.api.dto.OrderCreateDTO;
 import cn.iocoder.mall.order.api.dto.OrderQueryDTO;
-import cn.iocoder.mall.order.api.dto.OrderUserPageDTO;
 import cn.iocoder.mall.order.application.convert.OrderConvertAPP;
 import cn.iocoder.mall.order.application.po.user.OrderCreatePO;
 import cn.iocoder.mall.user.sdk.context.UserSecurityContextHolder;

order/order-application/src/main/java/cn/iocoder/mall/order/application/vo/FeeMessageVO.java

@@ -0,0 +1,26 @@
+package cn.iocoder.mall.order.application.vo;
+
+public class FeeMessageVO {
+
+    /**
+     * 总价
+     */
+    private Integer originalTotal;
+    /**
+     * 优惠总价
+     *
+     * 注意，满多少元包邮，不算在优惠中。
+     */
+    private Integer discountTotal;
+    /**
+     * 邮费
+     */
+    private Integer postageTotal;
+    /**
+     * 最终价格
+     *
+     * 计算公式 = 总价 - 优惠总价 + 邮费
+     */
+    private Integer presentTotal;
+
+}

order/order-application/src/main/java/cn/iocoder/mall/order/application/vo/UsersCartItemVO.java

@@ -0,0 +1,5 @@
+package cn.iocoder.mall.order.application.vo;
+
+public class UsersCartItemVO {
+
+}

order/order-application/src/main/java/cn/iocoder/mall/order/application/vo/UsersCartListVO.java

@@ -0,0 +1,11 @@
+package cn.iocoder.mall.order.application.vo;
+
+import java.util.List;
+
+public class UsersCartListVO {
+
+    private List<UsersCartItemVO> items;
+
+    private FeeMessageVO feeMessage;
+
+}