退菜接口，sku mapper结构修改

src/main/java/com/chaozhanggui/system/cashierservice/controller/OrderController.java

@@ -5,6 +5,7 @@ import cn.hutool.core.util.StrUtil;
 import com.alibaba.fastjson.JSONObject;
 import com.chaozhanggui.system.cashierservice.entity.OrderVo;
 import com.chaozhanggui.system.cashierservice.entity.dto.ChoseCountDTO;
+import com.chaozhanggui.system.cashierservice.entity.dto.ReturnCartDTO;
 import com.chaozhanggui.system.cashierservice.entity.dto.UpdateVipDTO;
 import com.chaozhanggui.system.cashierservice.entity.vo.CartVo;
 import com.chaozhanggui.system.cashierservice.service.OrderService;
@@ -202,14 +203,26 @@ public class OrderController {
         return orderService.getOutNumber(shopId, page, pageSize);
     }
 
-
     @GetMapping("getOrderById")
     public Result getOrderById(@RequestParam("orderId") Integer orderId) {
         return orderService.getOrder(orderId);
     }
 
+    /**
+     * 就餐人数选择
+     */
     @PutMapping("/choseCount")
     public Result choseCount(@Validated @RequestBody ChoseCountDTO choseCountDTO) {
         return Result.success(CodeEnum.SUCCESS, orderService.choseCount(choseCountDTO));
     }
+
+    /**
+     * 退菜
+     * @param returnCartDTO 退菜信息
+     * @return 是否成功
+     */
+    @PostMapping("/returnCart")
+    public Result returnCart(@Validated @RequestBody ReturnCartDTO returnCartDTO) {
+        return Result.success(CodeEnum.SUCCESS, orderService.returnCart(returnCartDTO));
+    }
 }