fix: 房间数量全部改用BigDecimal类型，因为会出现小数

ship-module-trade/ship-module-trade-biz/src/main/java/com/yc/ship/module/trade/controller/admin/order/vo/order/TradeOrderFloorReqVO.java

@@ -27,7 +27,7 @@ public class TradeOrderFloorReqVO {
      * 数量
      */
     @Schema(description = "数量")
-    private Integer num;
+    private BigDecimal num;
     /**
      * 单价
      */

ship-module-trade/ship-module-trade-biz/src/main/java/com/yc/ship/module/trade/controller/admin/order/vo/order/TradeOrderTotalVO.java

@@ -38,7 +38,7 @@ public class TradeOrderTotalVO {
      * 用房总数
      */
     @Schema(description = "用房总数")
-    private Double useRoomTotalNum;
+    private BigDecimal useRoomTotalNum;
     /**
      * 升楼层总数
      */