6-30 更新价格计算方法

backend/app/api/orders.py

@@ -22,6 +22,7 @@ from backend.app.schemas.orders import (
     ChangeOrderStatusRequest,
     ConfirmSupplierTextRequest,
     CreateOrderRequest,
+    ReviseOrderRequest,
     SupplierTextRequest,
     UpdateOrderRequest,
     UpdateOrderTrackingRequest,
@@ -182,6 +183,29 @@ def update_order(
     return success_payload(order)
 
 
+@router.post("/{order_id}/revise")
+def revise_order(
+    order_id: int,
+    payload: ReviseOrderRequest,
+    order_service: OrderService = Depends(get_order_service),
+    session: Session = Depends(get_db_session),
+    current_user: dict = Depends(require_roles("manager", "admin")),
+    _permission_user: dict = Depends(require_permissions("order:update")),
+) -> dict:
+    """管理员修订订单（修改商品后自动重算成本）
+
+    用途：管理员修改订单商品信息后，系统自动调用定价引擎重新计算成本，
+    记录修改前后差异，生成审计日志。
+    请求参数：order_id（路径参数）+ ReviseOrderRequest（修改后商品列表和修订原因）。
+    返回值：修订结果，包含修改前后差异。
+    权限要求：经理或管理员，且需 order:update 权限。
+    """
+    result = order_service.revise_order(order_id, payload.model_dump(), session, current_user)
+    if not result:
+        raise AppException(code=ErrorCode.NOT_FOUND, message="订单不存在", status_code=404)
+    return success_payload(result)
+
+
 @router.get("/{order_id}")
 def get_order(
     order_id: int,                                              # 订单 ID（路径参数）

backend/app/api/pricing.py

@@ -484,6 +484,69 @@ def calculate_quotation(
     })
 
 
+# ======================================================================
+# AI 辅助定价
+# ======================================================================
+
+@router.post("/quotation/ai-suggest")
+def ai_suggest_pricing(
+    payload: dict,
+    session: Session = Depends(get_db_session),
+    _user: dict = Depends(require_roles("admin", "manager", "salesman")),
+) -> dict:
+    """AI 辅助定价建议（规则缺失时的兜底方案）
+
+    当产品没有配置定价规则时，调用此接口获取 AI 建议的定价。
+    AI 只做建议，最终需要人工确认后才能使用。
+
+    请求参数：{ product_id, quantity, length_m?, width_m?, weight_g?, specification? }
+    返回值：{ suggested_cost, ai_reason, ai_confidence, needs_manual_confirmation }
+    """
+    from backend.app.models.business import Product
+
+    product_id = payload.get("product_id")
+    if not product_id:
+        raise AppException(code=ErrorCode.PARAM_ERROR, message="product_id 不能为空", status_code=400)
+
+    product = session.query(Product).filter(Product.id == product_id).first()
+    if not product:
+        raise AppException(code=ErrorCode.NOT_FOUND, message="产品不存在", status_code=404)
+
+    # 基于产品基础信息给出建议
+    cost_price = float(product.cost_price or 0)
+    quantity = float(payload.get("quantity", 1) or 1)
+    length_m = payload.get("length_m")
+    width_m = payload.get("width_m")
+    weight_g = payload.get("weight_g")
+
+    suggested_cost = 0
+    ai_reason = ""
+
+    if cost_price > 0:
+        # 有基础成本价：按数量计算
+        if length_m and width_m:
+            area = float(length_m) * float(width_m)
+            suggested_cost = round(area * cost_price * quantity, 2)
+            ai_reason = f"基于产品成本价 ¥{cost_price}/㎡，面积 {area}㎡ × {quantity}件"
+        elif weight_g:
+            suggested_cost = round(float(weight_g) / 1000 * cost_price * quantity, 2)
+            ai_reason = f"基于产品成本价 ¥{cost_price}/kg，重量 {weight_g}g × {quantity}件"
+        else:
+            suggested_cost = round(cost_price * quantity, 2)
+            ai_reason = f"基于产品成本价 ¥{cost_price} × {quantity}件"
+    else:
+        ai_reason = "产品未设置基础成本价，无法自动建议"
+        suggested_cost = 0
+
+    return {
+        "suggested_cost": suggested_cost,
+        "ai_reason": ai_reason,
+        "ai_confidence": 0.6 if cost_price > 0 else 0.1,
+        "needs_manual_confirmation": True,
+        "ai_assisted": True,
+    }
+
+
 # ======================================================================
 # 序列化工具（将 ORM 模型转换为字典，便于返回 JSON 响应）
 # ======================================================================

backend/app/schemas/orders.py

@@ -32,6 +32,12 @@ class OrderListQuery(BaseModel):
     order_source: str | None = None
     """订单来源筛选"""
 
+    order_type: str | None = None
+    """订单类型筛选（industry/daily）"""
+
+    need_invoice: int | None = None
+    """是否需要发票筛选（0=否，1=是）"""
+
     start_time: str | None = None
     """查询起始时间（ISO 格式）"""
 
@@ -264,7 +270,7 @@ class ApproveOrderRequest(BaseModel):
     """审批订单请求体。被 POST /api/orders/{id}/approve 路由使用。"""
 
     approve_result: str
-    """审批结果（如 approved / rejected）"""
+    """审批结果（pass=通过, reject=退回）"""
 
     approve_opinion: str | None = None
     """审批意见"""
@@ -273,13 +279,7 @@ class ApproveOrderRequest(BaseModel):
     """下发工厂 ID（审批通过时可选，同时选择工厂和司机可跳过待工厂节点）"""
 
     driver_id: int | None = None
-    """司机 ID（审批通过时可选，同时选择工厂和司机可跳过待工厂节点）"""
-
-    factory_id: int | None = None
-    """下发工厂 ID（非自发订单审批通过时可选传入，审批后直接绑定工厂）"""
-
-    driver_id: int | None = None
-    """分配司机 ID（非自发订单审批通过时可选传入，审批后直接创建物流任务）"""
+    """分配司机 ID（审批通过时可选，同时选择工厂和司机可直接创建物流任务）"""
 
 
 class SupplierTextRequest(BaseModel):
@@ -312,6 +312,31 @@ class ChangeOrderStatusRequest(BaseModel):
     """备注"""
 
 
+class ReviseOrderRequest(BaseModel):
+    """管理员修订订单请求体。被 POST /api/orders/{id}/revise 路由使用。"""
+
+    items: list[OrderItemPayload] = Field(min_length=1)
+    """修改后的订单商品明细列表（全量替换，至少一项）"""
+
+    revision_reason: str | None = None
+    """修订原因"""
+
+    contract_amount: float | None = None
+    """合同金额（可选，不传则保持原值）"""
+
+    rebate_total: float = Field(default=0, ge=0)
+    """返利合计"""
+
+    freight_total: float = Field(default=0, ge=0)
+    """运费合计"""
+
+    tax_total: float = Field(default=0, ge=0)
+    """税额合计"""
+
+    other_fee_total: float = Field(default=0, ge=0)
+    """其他费用合计"""
+
+
 class UpdateOrderTrackingRequest(BaseModel):
     """修改自发订单快递单号请求体。被 PUT /api/orders/{id}/tracking 路由使用。"""
 

backend/app/services/order_service.py

@@ -16,6 +16,7 @@ from sqlalchemy.orm import Session
 from backend.app.core.cache import cache_delete, cache_delete_pattern, cache_get, cache_set, make_cache_key
 from backend.app.core.error_codes import ErrorCode
 from backend.app.core.exceptions import AppException
+from backend.app.repositories.audit_repository import AuditRepository
 from backend.app.repositories.customer_repository import CustomerRepository
 from backend.app.repositories.config_repository import ConfigRepository
 from backend.app.repositories.file_repository import FileRepository
@@ -27,6 +28,7 @@ from backend.app.repositories.reminder_repository import ReminderRepository
 from backend.app.services.arrears_service import arrears_service
 from backend.app.services.audit_service import audit_service
 from backend.app.services.event_bus import event_bus
+from backend.app.services.pricing_engine import pricing_engine
 
 
 class OrderService:
@@ -53,6 +55,99 @@ class OrderService:
         self.supplier_repository = SupplierRepository()
         self.file_repository = FileRepository()
         self.reminder_repository = ReminderRepository()
+        self.audit_repository = AuditRepository()
+
+    def _enrich_items_with_pricing(self, session: Session, items: list[dict]) -> list[dict]:
+        """使用定价引擎为订单项计算成本并填充快照字段。
+
+        对每个商品项：
+        1. 查找对应的定价规则 (ProductPricingRule)
+        2. 调用定价引擎计算
+        3. 用引擎结果覆盖 cost_price 并填充快照字段
+        如果找不到规则或计算失败，保留原始 cost_price 不变。
+
+        Args:
+            session: 数据库会话
+            items: 订单项列表（来自前端 payload）
+
+        Returns:
+            填充了定价快照字段的订单项列表
+        """
+        from backend.app.models.business import ProductPricingRule, Product
+
+        enriched = []
+        for item in items:
+            product_id = item.get("product_id")
+            if not product_id:
+                enriched.append(item)
+                continue
+
+            # 查找定价规则
+            rule = session.query(ProductPricingRule).filter(
+                ProductPricingRule.product_id == product_id,
+                ProductPricingRule.deleted == 0,
+                ProductPricingRule.status == 1,
+            ).first()
+
+            if not rule:
+                enriched.append(item)
+                continue
+
+            # 获取产品属性（厚度、克重等）
+            product = session.query(Product).filter(Product.id == product_id).first()
+            product_attrs = {}
+            if product:
+                if product.thickness:
+                    product_attrs["thickness"] = product.thickness
+                if product.weight_gsm:
+                    product_attrs["weight_gsm"] = product.weight_gsm
+                if product.default_width_m:
+                    product_attrs["default_width_m"] = float(product.default_width_m)
+
+            # 构建用户输入：从 item 中提取定价相关字段
+            user_inputs = {}
+            if item.get("length_m"):
+                user_inputs["length"] = item["length_m"]
+                user_inputs["length_unit"] = "m"
+            if item.get("width_m"):
+                user_inputs["width"] = item["width_m"]
+                user_inputs["width_unit"] = "m"
+            if item.get("quantity"):
+                user_inputs["quantity"] = item["quantity"]
+            if item.get("price_tier"):
+                user_inputs["price_tier"] = item["price_tier"]
+            # 从 surcharge_detail 中恢复附加费选择
+            surcharge_detail = item.get("surcharge_detail")
+            if surcharge_detail:
+                try:
+                    surcharges = json.loads(surcharge_detail) if isinstance(surcharge_detail, str) else surcharge_detail
+                    if isinstance(surcharges, list):
+                        for s in surcharges:
+                            key = s.get("key")
+                            if key:
+                                user_inputs[f"surcharge_{key}"] = True
+                except (json.JSONDecodeError, TypeError):
+                    pass
+
+            try:
+                result = pricing_engine.calculate_for_order_item(rule, user_inputs, product_attrs)
+                # 用引擎结果覆盖成本价
+                item_copy = dict(item)
+                item_copy["cost_price"] = result["cost_price"]
+                # 填充快照字段
+                snapshot = result.get("item_snapshot", {})
+                if snapshot.get("pricing_type"):
+                    item_copy["pricing_type"] = snapshot["pricing_type"]
+                if result.get("area_sqm"):
+                    item_copy["area_sqm"] = result["area_sqm"]
+                if snapshot.get("surcharge_detail"):
+                    item_copy["surcharge_detail"] = snapshot["surcharge_detail"]
+                enriched.append(item_copy)
+            except Exception:
+                # 计价失败时保留原始数据
+                enriched.append(item)
+
+        return enriched
 
     def list_orders(self, session: Session | None = None, filters: dict | None = None, current_user: dict | None = None) -> dict:
         """查询订单列表。
@@ -292,10 +387,11 @@ class OrderService:
                         *[self._build_attachment_row(item) for item in order_attachments],
                         *[self._build_attachment_row(item) for item in task_attachments],
                     ],
-                    "calculation_detail": self._build_calculation_detail(order, items),
+                    "calculation_detail": self._build_calculation_detail(order, items, session),
                     "profit_alert_threshold": float(self._get_config_value(session, "profit_alert_threshold", "0")),
                     "customer_demand": order.customer_demand,
                     "remark": order.remark,
+                    "revision_info": self._get_latest_revision(session, order.id),
                 }
                 # 写缓存（缓存完整结果，角色过滤在读取后执行）
                 cache_set(cache_key, result, ttl=60)
@@ -361,6 +457,10 @@ class OrderService:
                 items = payload["items"]
                 if not items:
                     raise AppException(code=ErrorCode.PARAM_ERROR, message="订单明细不能为空", status_code=400)
+
+                # 调用定价引擎为每个订单项计算成本并生成快照
+                items = self._enrich_items_with_pricing(session, items)
+
                 sale_total = sum(item["quantity"] * item["sale_price"] for item in items)
                 cost_total = sum(item["quantity"] * item["cost_price"] for item in items)
                 # 使用合同金额作为收入计算利润，如果没有合同金额则使用系统计算的销售金额
@@ -447,6 +547,170 @@ class OrderService:
 
         raise AppException(code=ErrorCode.INTERNAL_ERROR, message="数据库连接不可用", status_code=500)
 
+    def revise_order(
+        self,
+        order_id: int,
+        payload: dict,
+        session: Session | None = None,
+        current_user: dict | None = None,
+    ) -> dict | None:
+        """管理员修订订单（修改商品后自动重算）。
+
+        与 update_order 不同，此方法：
+        1. 记录修改前的快照
+        2. 调用定价引擎重新计算所有商品成本
+        3. 生成修订版本记录
+        4. 返回修改前后差异
+
+        仅 manager/admin 角色可调用。
+
+        Args:
+            order_id: 订单 ID
+            payload: 包含 items（修改后商品列表）和 revision_reason（修改原因）
+            session: 数据库会话
+            current_user: 当前登录用户信息
+
+        Returns:
+            包含修订结果和前后差异的字典
+        """
+        if session is not None:
+            try:
+                order = self.order_repository.get_order(session, order_id)
+                if order is None:
+                    return None
+                # 管理员可以修订任何非终态订单
+                terminal_statuses = {"canceled", "settled"}
+                if order.order_status in terminal_statuses:
+                    raise AppException(
+                        code=ErrorCode.PARAM_ERROR,
+                        message="已取消或已结算的订单不允许修订",
+                        status_code=400,
+                    )
+
+                items = payload.get("items", [])
+                if not items:
+                    raise AppException(code=ErrorCode.PARAM_ERROR, message="订单明细不能为空", status_code=400)
+
+                # 记录修改前的快照
+                old_items = self.order_repository.list_order_items(session, order_id)
+                before_snapshot = {
+                    "order": {
+                        "sale_price_total": float(order.sale_price_total or 0),
+                        "cost_price_total": float(order.cost_price_total or 0),
+                        "profit_total": float(order.profit_total or 0),
+                        "profit_rate": float(order.profit_rate or 0),
+                    },
+                    "items": [
+                        {
+                            "product_name": item.product_name,
+                            "specification": item.specification,
+                            "quantity": float(item.quantity or 0),
+                            "cost_price": float(item.cost_price or 0),
+                            "sale_price": float(item.sale_price or 0),
+                        }
+                        for item in old_items
+                    ],
+                }
+
+                # 调用定价引擎重新计算
+                items = self._enrich_items_with_pricing(session, items)
+
+                sale_total = sum(item["quantity"] * item["sale_price"] for item in items)
+                cost_total = sum(item["quantity"] * item["cost_price"] for item in items)
+                income_amount = payload.get("contract_amount") or order.contract_amount or sale_total
+                rebate_total = payload.get("rebate_total", float(order.rebate_total or 0))
+                freight_total = payload.get("freight_total", float(order.freight_total or 0))
+                tax_total = payload.get("tax_total", float(order.tax_total or 0))
+                other_fee_total = payload.get("other_fee_total", float(order.other_fee_total or 0))
+                profit_total = income_amount - cost_total - rebate_total - freight_total - tax_total - other_fee_total
+                profit_rate = round((profit_total / income_amount) * 100, 2) if income_amount else 0
+
+                self.order_repository.update_order_with_items(
+                    session,
+                    order,
+                    {
+                        "sale_price_total": sale_total,
+                        "cost_price_total": cost_total,
+                        "rebate_total": rebate_total,
+                        "freight_total": freight_total,
+                        "tax_total": tax_total,
+                        "other_fee_total": other_fee_total,
+                        "profit_total": profit_total,
+                        "profit_rate": profit_rate,
+                    },
+                    items,
+                )
+
+                # 记录修改后的快照
+                after_snapshot = {
+                    "order": {
+                        "sale_price_total": round(sale_total, 2),
+                        "cost_price_total": round(cost_total, 2),
+                        "profit_total": round(profit_total, 2),
+                        "profit_rate": profit_rate,
+                    },
+                    "items": [
+                        {
+                            "product_name": item.get("product_name"),
+                            "specification": item.get("specification"),
+                            "quantity": item.get("quantity"),
+                            "cost_price": item.get("cost_price"),
+                            "sale_price": item.get("sale_price"),
+                        }
+                        for item in items
+                    ],
+                }
+
+                # 写审计日志
+                audit_service.write_log(
+                    session,
+                    {
+                        "operate_type": "order_revise",
+                        "biz_type": "sales_order",
+                        "biz_id": order.id,
+                        "before_value": before_snapshot,
+                        "after_value": after_snapshot,
+                        "remark": f"修订订单 {order.order_no}：{payload.get('revision_reason', '管理员修改')}",
+                    },
+                )
+
+                # 写审批日志（使修订记录出现在审批时间线中）
+                self.order_approve_log_repository.create_log(
+                    session,
+                    {
+                        "order_id": order.id,
+                        "approve_type": "revise",
+                        "approve_result": "revised",
+                        "before_status": order.order_status,
+                        "after_status": order.order_status,
+                        "approve_opinion": payload.get("revision_reason", "管理员修订"),
+                        "operator_id": current_user.get("user_id") if current_user else None,
+                    },
+                )
+
+                session.commit()
+                self._invalidate_order_cache(order.id)
+
+                return {
+                    "order_id": order.id,
+                    "order_no": order.order_no,
+                    "order_status": order.order_status,
+                    "sale_price_total": round(sale_total, 2),
+                    "cost_price_total": round(cost_total, 2),
+                    "profit_total": round(profit_total, 2),
+                    "profit_rate": profit_rate,
+                    "revision_reason": payload.get("revision_reason", ""),
+                    "before": before_snapshot,
+                    "after": after_snapshot,
+                }
+            except AppException:
+                session.rollback()
+                raise
+            except SQLAlchemyError as exc:
+                session.rollback()
+                raise AppException(code=ErrorCode.INTERNAL_ERROR, message="数据库异常", status_code=500) from exc
+        raise AppException(code=ErrorCode.INTERNAL_ERROR, message="数据库连接不可用", status_code=500)
+
     def submit_order(
         self,
         order_id: int,
@@ -656,35 +920,18 @@ class OrderService:
                 else:
                     target_status = "rejected"
                 # 如果有工厂ID，设置到订单上
-                if payload.get("factory_id") and target_status in ("pending_factory",):
+                if payload.get("factory_id") and target_status in ("pending_factory", "pending_driver"):
                     order.factory_id = payload["factory_id"]
-                # 同时选择了工厂和司机：在同一个事务内创建物流任务，直接进入待司机接单
-                if payload.get("factory_id") and payload.get("driver_id") and target_status == "pending_factory":
-                    task = self.logistics_repository.create_task(
-                        session,
-                        {
-                            "task_no": f"LT{datetime.now().strftime('%Y%m%d%H%M%S')}",
-                            "order_id": order.id,
-                            "driver_id": payload["driver_id"],
-                            "factory_id": payload["factory_id"],
-                            "pickup_address": payload.get("pickup_address", ""),
-                            "delivery_address": payload.get("delivery_address", ""),
-                            "pickup_content": payload.get("pickup_content", ""),
-                            "quantity": payload.get("quantity", 1),
-                            "status": "pending",
-                            "created_by": current_user.get("user_id") if current_user else None,
-                        },
-                    )
-                    target_status = "pending_driver"
                 self.order_repository.update_order_status(session, order, target_status)
 
-                # 有工厂+司机时，在同一事务内创建物流任务
+                # 审批通过且有工厂+司机时，创建物流任务
                 if payload["approve_result"] == "pass" and target_status == "pending_driver" and payload.get("driver_id"):
                     # 获取工厂地址作为取货地址
                     pickup_address = ""
-                    factory = self.supplier_repository.get_supplier(session, payload["factory_id"])
-                    if factory and factory.address:
-                        pickup_address = factory.address
+                    if payload.get("factory_id"):
+                        factory = self.supplier_repository.get_supplier(session, payload["factory_id"])
+                        if factory and factory.address:
+                            pickup_address = factory.address
 
                     task = self.logistics_repository.create_task(
                         session,
@@ -692,7 +939,7 @@ class OrderService:
                             "task_no": f"LT{datetime.now().strftime('%Y%m%d%H%M%S')}",
                             "order_id": order.id,
                             "driver_id": payload["driver_id"],
-                            "factory_id": payload["factory_id"],
+                            "factory_id": payload.get("factory_id"),
                             "pickup_address": pickup_address,
                             "delivery_address": "",
                             "pickup_content": "",
@@ -1241,6 +1488,9 @@ class OrderService:
                 if not items:
                     raise AppException(code=ErrorCode.PARAM_ERROR, message="订单明细不能为空", status_code=400)
 
+                # 调用定价引擎为每个订单项计算成本并生成快照
+                items = self._enrich_items_with_pricing(session, items)
+
                 sale_total = sum(item["quantity"] * item["sale_price"] for item in items)
                 cost_total = sum(item["quantity"] * item["cost_price"] for item in items)
                 # 使用合同金额作为收入计算利润，如果没有合同金额则使用系统计算的销售金额
@@ -1687,7 +1937,7 @@ class OrderService:
         if approve_result == "refuse" and not (payload.get("approve_opinion") or "").strip():
             raise AppException(code=ErrorCode.PARAM_ERROR, message="取消审批驳回时必须填写意见", status_code=400)
 
-    def _build_calculation_detail(self, order, items) -> dict:
+    def _build_calculation_detail(self, order, items, session=None) -> dict:
         """构建订单利润计算明细。
 
         包含公式说明、各费用汇总和每条明细的金额拆分，支持报价引擎快照数据。
@@ -1695,6 +1945,7 @@ class OrderService:
         Args:
             order: 订单 ORM 对象
             items: 订单明细 ORM 对象列表
+            session: 数据库会话（可选，用于查询定价规则公式）
 
         Returns:
             包含计算公式、汇总金额和明细的字典
@@ -1739,6 +1990,21 @@ class OrderService:
                         detail_row["surcharge_items"] = []
                 detail_row["supplier_model"] = getattr(item, "supplier_model", None)
                 detail_row["price_tier"] = getattr(item, "price_tier", None)
+            # 查询定价规则公式
+            if session and item.product_id:
+                try:
+                    from backend.app.models.business import ProductPricingRule
+                    rule = session.query(ProductPricingRule).filter(
+                        ProductPricingRule.product_id == item.product_id,
+                        ProductPricingRule.deleted == 0,
+                    ).first()
+                    if rule:
+                        detail_row["formula_expr"] = getattr(rule, "formula_expr", None)
+                        detail_row["formula_note"] = getattr(rule, "formula_note", None)
+                        if not detail_row.get("pricing_type"):
+                            detail_row["pricing_type"] = getattr(rule, "pricing_type", None)
+                except Exception:
+                    pass
             item_details.append(detail_row)
 
         # 税计算说明
@@ -1838,6 +2104,39 @@ class OrderService:
             "created_at": task.created_at.strftime("%Y-%m-%d %H:%M:%S") if task.created_at else "",
         }
 
+    def _get_latest_revision(self, session: Session, order_id: int) -> dict | None:
+        """获取订单最近一次修订记录。
+
+        从审计日志中查找 operate_type=order_revise 的最新记录，
+        返回修订前后的差异快照，供审批页展示。
+
+        Args:
+            session: 数据库会话
+            order_id: 订单 ID
+
+        Returns:
+            修订信息字典，无修订记录时返回 None
+        """
+        try:
+            logs = self.audit_repository.list_logs(session, {
+                "biz_type": "sales_order",
+                "biz_id": order_id,
+                "operate_type": "order_revise",
+            })
+            if not logs:
+                return None
+            latest = logs[0]  # 按 id 倒序，第一个是最新的
+            before = json.loads(latest.before_value) if latest.before_value else None
+            after = json.loads(latest.after_value) if latest.after_value else None
+            return {
+                "revision_time": latest.operate_time.strftime("%Y-%m-%d %H:%M:%S") if latest.operate_time else "",
+                "revision_remark": latest.remark or "",
+                "before": before,
+                "after": after,
+            }
+        except Exception:
+            return None
+
     def _build_attachment_row(self, attachment) -> dict:
         """构建附件行数据字典。
 

backend/app/services/pricing_engine.py

@@ -30,24 +30,23 @@ class PricingEngine:
             product_attrs: 产品属性 {"thickness": 0.08} 用于阈值判断
 
         Returns:
-            {
-                "base_cost", "surcharge_items", "total_surcharge", "cost_price",
-                "formula_detail", "formula_detail_steps"
-            }
+            结构化计价结果字典，包含 base_cost、surcharge_items、total_surcharge、
+            cost_price、formula_detail、tax 字段，以及 rule_snapshot 用于快照存储。
 
         被调用路由: pricing.py - POST /pricing/calculate
         """
         product_attrs = product_attrs or {}
 
-        # 1. 单位换算 → 统一为米
+        # 1. 单位换算
         normalized = self._normalize_inputs(rule, user_inputs)
         area_sqm = normalized.get("length_m", 0) * normalized.get("width_m", 0)
 
         # 2. 构建公式上下文并求值
+        formula_constants = self._safe_load_json(rule.formula_constants) or {}
         context = {
             "input": normalized,
             "rule": {"base_unit_price": float(rule.base_unit_price)},
-            "const": self._safe_load_json(rule.formula_constants) or {},
+            "const": formula_constants,
             "product": product_attrs,
         }
         base_cost = self._evaluate_formula(rule.formula_expr or "0", context)
@@ -67,12 +66,10 @@ class PricingEngine:
         tax_inclusive = int(getattr(rule, "tax_inclusive", 0) or 0)
         if tax_rate > 0:
             if tax_inclusive:
-                # 含税定价：cost_price 已含税，反算不含税价
                 price_ex_tax = round(cost_price / (1 + tax_rate / 100), 2)
                 tax_amount = round(cost_price - price_ex_tax, 2)
                 price_in_tax = cost_price
             else:
-                # 不含税定价：cost_price 为不含税价，正算含税价
                 price_ex_tax = cost_price
                 tax_amount = round(cost_price * tax_rate / 100, 2)
                 price_in_tax = round(cost_price + tax_amount, 2)
@@ -81,16 +78,70 @@ class PricingEngine:
             tax_amount = 0
             price_in_tax = cost_price
 
+        # 6. 构建变量快照（用于审计和回显）
+        formula_variables = {}
+        for prefix, values in context.items():
+            if isinstance(values, dict):
+                for k, v in values.items():
+                    formula_variables[f"{prefix}.{k}"] = v
+
+        # 7. 构建定价规则快照
+        rule_snapshot = {
+            "pricing_rule_id": getattr(rule, "id", None),
+            "pricing_type": getattr(rule, "pricing_type", None),
+            "pricing_unit": getattr(rule, "pricing_unit", None),
+            "base_unit_price": float(rule.base_unit_price or 0),
+            "formula_expr": getattr(rule, "formula_expr", None),
+            "formula_note": getattr(rule, "formula_note", None),
+        }
+
         return {
             "base_cost": round(base_cost, 2),
             "surcharge_items": surcharges,
             "total_surcharge": total_surcharge,
             "cost_price": cost_price,
             "formula_detail": formula_detail,
+            "formula_variables": formula_variables,
             "tax_rate": tax_rate,
+            "tax_inclusive": tax_inclusive,
             "price_ex_tax": price_ex_tax,
             "tax_amount": tax_amount,
             "price_in_tax": price_in_tax,
+            "area_sqm": round(area_sqm, 6),
+            "rule_snapshot": rule_snapshot,
+            # AI 辅助标记（当前由规则引擎计算，ai_assisted=False）
+            # 当规则缺失时由 AI 填充，需人工确认
+            "ai_assisted": False,
+            "ai_reason": None,
+            "ai_confidence": None,
+            "needs_manual_confirmation": False,
+        }
+
+    def calculate_for_order_item(self, rule, user_inputs: dict, product_attrs: dict | None = None) -> dict:
+        """为订单项执行计价并返回可直接存入快照的结构化结果。
+
+        在 calculate() 基础上，额外返回适合存入 SalesOrderItem 的字段映射。
+
+        Args:
+            rule: ProductPricingRule ORM 对象
+            user_inputs: 前端传入的输入
+            product_attrs: 产品属性
+
+        Returns:
+            包含 item_snapshot 字段的计价结果，可直接写入订单项
+        """
+        result = self.calculate(rule, user_inputs, product_attrs)
+        snapshot = result["rule_snapshot"]
+        return {
+            **result,
+            "item_snapshot": {
+                "pricing_type": snapshot.get("pricing_type"),
+                "pricing_unit": snapshot.get("pricing_unit"),
+                "area_sqm": result["area_sqm"],
+                "surcharge_detail": json.dumps(result["surcharge_items"], ensure_ascii=False) if result["surcharge_items"] else None,
+                "price_tier": user_inputs.get("price_tier"),
+                "cost_price": result["cost_price"],
+            },
         }
 
     def get_available_surcharge_options(self, rule) -> list[dict]:
@@ -118,20 +169,28 @@ class PricingEngine:
 
     _UNIT_TO_M = {"m": 1.0, "cm": 0.01, "mm": 0.001}
 
+    # 重量单位 → 千克
+    _UNIT_TO_KG = {"kg": 1.0, "g": 0.001, "t": 1000.0}
+
+    # 面积单位 → 平方米
+    _UNIT_TO_SQM = {"sqm": 1.0, "sqcm": 0.0001, "sqmm": 0.000001}
+
     def _normalize_inputs(self, rule, user_inputs: dict) -> dict:
-        """将前端输入转换为统一的米制数值。
+        """将前端输入转换为统一的标准单位数值。
 
         根据 pricing_inputs 声明解析字段，自动读取 _unit 后缀进行单位换算。
+        - 长度类字段统一转为米（_m 后缀）
+        - 重量类字段统一转为千克（_kg 后缀）
+        - 面积类字段统一转为平方米（_sqm 后缀）
 
         Args:
             rule: 定价规则 ORM 对象
             user_inputs: 前端传入的原始输入字典
 
         Returns:
-            标准化后的输入字典，包含原始值和 _m 后缀的米制值
+            标准化后的输入字典，包含原始值和标准化后缀值
         """
         normalized = {}
-        # 解析 pricing_inputs 声明
         inputs_decl = self._safe_load_json(rule.pricing_inputs) or []
 
         for field in inputs_decl:
@@ -146,11 +205,20 @@ class PricingEngine:
                 normalized[key] = val
                 continue
 
-            # 带单位的数值字段：读取对应 _unit 后缀
             unit_key = f"{key}_unit"
             unit = user_inputs.get(unit_key, field.get("default_unit", "m"))
-            multiplier = self._UNIT_TO_M.get(unit, 1.0)
-            normalized[f"{key}_m"] = round(val * multiplier, 6)
+            field_type = field.get("unit_type", "length")
+
+            if field_type == "weight":
+                multiplier = self._UNIT_TO_KG.get(unit, 1.0)
+                normalized[f"{key}_kg"] = round(val * multiplier, 6)
+            elif field_type == "area":
+                multiplier = self._UNIT_TO_SQM.get(unit, 1.0)
+                normalized[f"{key}_sqm"] = round(val * multiplier, 6)
+            else:
+                multiplier = self._UNIT_TO_M.get(unit, 1.0)
+                normalized[f"{key}_m"] = round(val * multiplier, 6)
+
             normalized[key] = val
 
         return normalized
@@ -165,6 +233,8 @@ class PricingEngine:
         支持 $input.xxx、$rule.xxx、$const.xxx、$product.xxx 变量引用，
         以及 ${condition} ? a : b 三元条件表达式。
 
+        使用正则替换（按变量名长度降序）避免短变量名误匹配长变量名前缀。
+
         Args:
             expr: 公式表达式字符串
             context: 变量上下文字典
@@ -174,12 +244,20 @@ class PricingEngine:
         """
         resolved = expr
 
-        # 替换 $input.xxx / $rule.xxx / $const.xxx / $product.xxx
+        # 收集所有 (完整变量名, 替换值)，按变量名长度降序排列防止前缀误匹配
+        replacements = []
         for prefix, values in context.items():
             if not isinstance(values, dict):
                 continue
             for k, v in values.items():
-                resolved = resolved.replace(f"${prefix}.{k}", self._to_str(v))
+                var_name = f"${prefix}.{k}"
+                replacements.append((var_name, self._to_str(v)))
+        replacements.sort(key=lambda x: len(x[0]), reverse=True)
+
+        for var_name, replacement in replacements:
+            # 用 re.escape 转义变量名中的特殊字符（如 $ 和 .）
+            pattern = re.escape(var_name)
+            resolved = re.sub(pattern, replacement, resolved)
 
         # 解析 ${condition} ? a : b
         resolved = self._resolve_conditionals(resolved)
@@ -285,7 +363,11 @@ class PricingEngine:
     def _build_formula_detail(self, rule, normalized: dict, base_cost: float, surcharges: list) -> str:
         """构建人类可读的计算过程文本。
 
-        输出格式示例：2m x 1.2m x ¥50/㎡ = ¥120.00 -> + 加急费 ¥20.00 = ¥140.00
+        根据定价类型自动生成对应的计算说明：
+        - area: 2m x 1.2m x ¥50/㎡ = ¥120.00
+        - kg: 5kg x ¥8/kg = ¥40.00
+        - unit/件: 10件 x ¥25/件 = ¥250.00
+        - linear_m: 20m x ¥15/m = ¥300.00
 
         Args:
             rule: 定价规则 ORM 对象
@@ -296,10 +378,30 @@ class PricingEngine:
         Returns:
             公式说明字符串
         """
+        pricing_type = getattr(rule, "pricing_type", "area") or "area"
+        unit_price = float(rule.base_unit_price or 0)
         parts = []
-        length = normalized.get("length_m", 0)
-        width = normalized.get("width_m", 0)
-        parts.append(f"{length}m × {width}m × ¥{rule.base_unit_price}/㎡ = ¥{base_cost:.2f}")
+
+        if pricing_type == "area":
+            length = normalized.get("length_m", 0)
+            width = normalized.get("width_m", 0)
+            parts.append(f"{length}m × {width}m × ¥{unit_price}/㎡ = ¥{base_cost:.2f}")
+        elif pricing_type in ("kg", "weight_g"):
+            weight = normalized.get("weight_kg", normalized.get("weight_kg", 0))
+            if pricing_type == "weight_g":
+                weight_g = weight * 1000 if weight else normalized.get("weight", 0)
+                parts.append(f"{weight_g}g × ¥{unit_price}/g = ¥{base_cost:.2f}")
+            else:
+                parts.append(f"{weight}kg × ¥{unit_price}/kg = ¥{base_cost:.2f}")
+        elif pricing_type == "linear_m":
+            length = normalized.get("length_m", normalized.get("length", 0))
+            parts.append(f"{length}m × ¥{unit_price}/m = ¥{base_cost:.2f}")
+        elif pricing_type in ("unit", "件"):
+            qty = normalized.get("quantity", normalized.get("qty", 0))
+            parts.append(f"{qty}件 × ¥{unit_price}/件 = ¥{base_cost:.2f}")
+        else:
+            # 通用：显示公式结果
+            parts.append(f"计算结果 = ¥{base_cost:.2f}")
 
         for s in surcharges:
             parts.append(f"+ {s['name']} ¥{s['amount']:.2f}")
@@ -307,7 +409,6 @@ class PricingEngine:
         total = base_cost + sum(s["amount"] for s in surcharges)
         parts.append(f"= ¥{total:.2f}")
 
-        # 税说明
         tax_rate = float(getattr(rule, "tax_rate", 0) or 0)
         if tax_rate > 0:
             tax_inclusive = int(getattr(rule, "tax_inclusive", 0) or 0)

frontend/mini-app/pages/manager/approve-detail/approve-detail.js

@@ -135,6 +135,8 @@ Page({
       for (var i = 0; i < rawItems.length; i++) {
         var ci = rawItems[i];
         if (ci.product_name) {
+          // 计价方式中文映射
+          var pricingTypeMap = { area: "按面积", kg: "按重量", unit: "按件", 件: "按件", linear_m: "按米", weight_g: "按克重" };
           products.push({
             name: ci.product_name,
             spec: ci.specification || "",
@@ -143,6 +145,10 @@ Page({
             unit: ci.unit || "",
             costPrice: fmt(ci.cost_price),
             costAmount: fmt(Number(ci.quantity || 0) * Number(ci.cost_price || 0)),
+            pricingType: pricingTypeMap[ci.pricing_type] || "",
+            areaSqm: ci.area_sqm ? fmt(ci.area_sqm) + "㎡" : "",
+            supplierModel: ci.supplier_model || "",
+            priceTier: ci.price_tier || "",
           });
         }
       }
@@ -318,23 +324,7 @@ Page({
       url: targetUrl, method: "POST",
       data: payload,
     }).then(function () {
-      // approve pass + driver_id: create logistics task (mirrors web flow)
-      if (payload.approve_result === "pass" && payload.driver_id) {
-        var orderData = that.data.orderInfo;
-        return app.request({
-          url: "/api/logistics/tasks",
-          method: "POST",
-          data: {
-            order_id: orderData.order_id,
-            driver_id: Number(payload.driver_id),
-            pickup_address: orderData.factory_name || "",
-            delivery_address: orderData.customer_address || "",
-            pickup_content: orderData.customer_name ? orderData.customer_name + " 订单货物" : "",
-            quantity: 1,
-            factory_id: payload.factory_id,
-          },
-        });
-      }
+      // 物流任务由后端审批接口统一创建，前端不再重复创建
     }).then(function () {
       if (payload.approve_result === "pass") {
         // 从原始数据直接构建采购信息，避免 this.data 时序问题

frontend/mini-app/pages/manager/approve-detail/approve-detail.wxml

@@ -88,6 +88,9 @@
           <text class="product-spec" wx:if="{{item.spec}}">{{item.spec}}</text>
           <text class="product-spec" wx:if="{{item.demandSpec}}">需求: {{item.demandSpec}}</text>
           <text class="product-spec" wx:if="{{item.qty}}">{{item.qty}} {{item.unit}}</text>
+          <text class="product-spec" wx:if="{{item.pricingType}}">计价: {{item.pricingType}}</text>
+          <text class="product-spec" wx:if="{{item.areaSqm}}">面积: {{item.areaSqm}}</text>
+          <text class="product-spec" wx:if="{{item.supplierModel}}">型号: {{item.supplierModel}}</text>
         </view>
         <view class="product-prices">
           <text class="product-price">单价: ¥{{item.costPrice}}</text>
@@ -120,12 +123,12 @@
     <view wx:if="{{approveLogs.length}}" class="card log-card">
       <view class="section-title">审批记录</view>
       <view wx:for="{{approveLogs}}" wx:key="log_id" class="log-row">
-        <view class="log-dot {{item.approve_result === 'pass' ? 'dot-pass' : 'dot-reject'}}"></view>
+        <view class="log-dot {{item.approve_result === 'pass' || item.approve_result === 'revised' ? 'dot-pass' : 'dot-reject'}}"></view>
         <view class="log-content">
           <view class="log-header">
             <text class="log-time">{{item.approve_time}}</text>
-            <text class="log-type">{{item.approve_type === 'order' ? '订单审批' : '取消审批'}}</text>
-            <text class="log-result {{item.approve_result === 'pass' ? 'result-pass' : 'result-reject'}}">{{item.approve_result === 'pass' ? '通过' : '驳回'}}</text>
+            <text class="log-type">{{item.approve_type === 'order' ? '订单审批' : (item.approve_type === 'revise' ? '订单修订' : '取消审批')}}</text>
+            <text class="log-result {{item.approve_result === 'pass' || item.approve_result === 'revised' ? 'result-pass' : 'result-reject'}}">{{item.approve_result === 'pass' ? '通过' : (item.approve_result === 'revised' ? '已修订' : '驳回')}}</text>
           </view>
           <text wx:if="{{item.approve_opinion}}" class="log-opinion">{{item.approve_opinion}}</text>
         </view>

frontend/web-admin/src/mockApi.js

@@ -208,6 +208,7 @@ function mapApproveType(type) {
   const typeMap = {
     order: "订单审批",
     cancel_order: "取消审批",
+    revise: "订单修订",
   };
   return typeMap[type] || type || "-";
 }
@@ -222,6 +223,7 @@ function mapApproveResult(result) {
     pass: "通过",
     reject: "驳回",
     refuse: "驳回",
+    revised: "已修订",
   };
   return resultMap[result] || result || "-";
 }
@@ -1140,6 +1142,19 @@ export async function updateOrder(orderId, payload) {
   });
 }
 
+/**
+ * 管理员修订订单（修改商品后自动重算成本）
+ * @param {number} orderId - 订单 ID
+ * @param {Object} payload - { items: [...], revision_reason?: string, ... }
+ * @returns {Promise<any>}
+ */
+export async function reviseOrder(orderId, payload) {
+  return request(`/api/orders/${orderId}/revise`, {
+    method: "POST",
+    body: JSON.stringify(payload),
+  });
+}
+
 /**
  * 修改自发订单快递单号
  * @param {number} orderId - 订单 ID
@@ -1434,6 +1449,7 @@ export async function fetchApprovalDetail(orderId) {
       approveOpinion: item.approve_opinion || "-",
     })),
     calculationDetail: data.calculation_detail || null,
+    revisionInfo: data.revision_info || null,
   };
 }
 

frontend/web-admin/src/views/ApprovalDetailPage.vue

@@ -39,20 +39,41 @@
                       <th>产品名称</th>
                       <th>规格</th>
                       <th>数量</th>
+                      <th>计价方式</th>
                       <th>成本单价</th>
+                      <th>成本小计</th>
                     </tr>
                   </thead>
                   <tbody>
-                    <tr v-for="item in items" :key="item.id">
+                    <tr v-for="(item, idx) in items" :key="item.id">
                       <td>{{ item.productName }}</td>
                       <td>{{ item.specification || '-' }}</td>
                       <td>{{ item.quantity }}{{ item.unit }}</td>
+                      <td>{{ getPricingTypeLabel(item, idx) }}</td>
                       <td>{{ item.costPrice }}</td>
+                      <td>{{ getItemCostTotal(item) }}</td>
                     </tr>
                   </tbody>
                 </table>
                 <div v-else class="empty-box">暂无产品明细</div>
               </div>
+              <!-- 单项计算明细 -->
+              <div v-if="calcDetail && calcDetail.item_details && calcDetail.item_details.length" class="item-calc-details">
+                <h4>计算明细</h4>
+                <div v-for="(detail, idx) in calcDetail.item_details" :key="idx" class="item-calc-row">
+                  <p class="item-calc-name">{{ detail.product_name }}</p>
+                  <p v-if="detail.pricing_type" class="item-calc-type">计价方式：{{ getDetailPricingTypeLabel(detail.pricing_type) }}</p>
+                  <p v-if="detail.formula_note" class="item-calc-formula">公式说明：{{ detail.formula_note }}</p>
+                  <p v-if="detail.formula_expr" class="item-calc-expr">公式：{{ detail.formula_expr }}</p>
+                  <p v-if="detail.area_sqm" class="item-calc-area">面积：{{ detail.area_sqm }}㎡</p>
+                  <p v-if="detail.surcharge_items && detail.surcharge_items.length" class="item-calc-surcharge">
+                    附加费：
+                    <span v-for="(s, si) in detail.surcharge_items" :key="si">{{ s.name }} ¥{{ s.amount }}{{ si < detail.surcharge_items.length - 1 ? '，' : '' }}</span>
+                  </p>
+                  <p v-if="detail.supplier_model" class="item-calc-model">供应商型号：{{ detail.supplier_model }}</p>
+                  <p v-if="detail.price_tier" class="item-calc-tier">价格档位：{{ detail.price_tier }}</p>
+                </div>
+              </div>
             </article>
           </div>
 
@@ -89,6 +110,32 @@
               </div>
             </article>
 
+            <!-- 修订记录 -->
+            <article v-if="revisionInfo" class="card revision-card">
+              <h3>修订记录</h3>
+              <p class="revision-time">{{ revisionInfo.revision_time }} — {{ revisionInfo.revision_remark }}</p>
+              <div v-if="revisionInfo.before && revisionInfo.after" class="revision-diff">
+                <div class="diff-row">
+                  <span class="diff-label">成本总额</span>
+                  <span class="diff-before">¥{{ revisionInfo.before.order?.cost_price_total }}</span>
+                  <span class="diff-arrow">→</span>
+                  <span class="diff-after">¥{{ revisionInfo.after.order?.cost_price_total }}</span>
+                </div>
+                <div class="diff-row">
+                  <span class="diff-label">利润总额</span>
+                  <span class="diff-before">¥{{ revisionInfo.before.order?.profit_total }}</span>
+                  <span class="diff-arrow">→</span>
+                  <span class="diff-after">¥{{ revisionInfo.after.order?.profit_total }}</span>
+                </div>
+                <div class="diff-row">
+                  <span class="diff-label">利润率</span>
+                  <span class="diff-before">{{ revisionInfo.before.order?.profit_rate }}%</span>
+                  <span class="diff-arrow">→</span>
+                  <span class="diff-after">{{ revisionInfo.after.order?.profit_rate }}%</span>
+                </div>
+              </div>
+            </article>
+
             <article class="card action-card">
               <h3>审批操作</h3>
               <p class="action-hint">{{ actionHint }}</p>
@@ -138,6 +185,7 @@ const loading = ref(true);
 const orderInfo = ref(null);
 const items = ref([]);
 const calcDetail = ref(null);
+const revisionInfo = ref(null);
 const approveOpinion = ref("");
 const actionLoading = ref("");
 const isModal = computed(() => route.query.modal === "1");
@@ -173,6 +221,7 @@ async function loadDetail() {
   orderInfo.value = data.orderInfo;
   items.value = data.items || [];
   calcDetail.value = data.calculationDetail || null;
+  revisionInfo.value = data.revisionInfo || null;
 }
 
 function handleClose() {
@@ -194,6 +243,34 @@ function buildCopyText() {
   return lines.join("\n");
 }
 
+const PRICING_TYPE_LABELS = {
+  area: "按面积",
+  kg: "按重量",
+  weight_g: "按克重",
+  unit: "按件",
+  件: "按件",
+  linear_m: "按长度",
+};
+
+function getPricingTypeLabel(item, idx) {
+  // 优先从 calcDetail.item_details 中获取
+  if (calcDetail.value && calcDetail.value.item_details && calcDetail.value.item_details[idx]) {
+    const pt = calcDetail.value.item_details[idx].pricing_type;
+    if (pt) return PRICING_TYPE_LABELS[pt] || pt;
+  }
+  return '-';
+}
+
+function getDetailPricingTypeLabel(pricingType) {
+  return PRICING_TYPE_LABELS[pricingType] || pricingType;
+}
+
+function getItemCostTotal(item) {
+  const qty = Number(item.quantity) || 0;
+  const cost = Number(item.costPrice) || 0;
+  return (qty * cost).toFixed(2);
+}
+
 async function handleApprove(result) {
   if (!orderInfo.value) return;
   actionLoading.value = result;
@@ -203,7 +280,7 @@ async function handleApprove(result) {
       approve_opinion: approveOpinion.value || (result === "pass" ? "审批通过" : "审批驳回"),
     };
 
-    if (orderInfo.value.orderStatus === "cancel_pending") {
+    if (orderInfo.value.orderStatus === "cancel_pending" || orderInfo.value.orderStatus === "cancel_fulfillment_pending") {
       await cancelApproveOrder(orderInfo.value.orderId, payload);
       toast.success(result === "pass" ? "取消审批已通过" : "已驳回取消申请");
     } else {
@@ -300,6 +377,24 @@ td { color: #374151; }
 .calc-result { margin-top: 12px; padding-top: 12px; border-top: 1px solid #e5e7eb; }
 .tax-note { color: #9ca3af; font-size: 12px; margin-left: 16px; }
 
+/* 修订记录 */
+.revision-card { background: #fef3c7; border-color: #f59e0b; }
+.revision-time { margin: 0 0 12px; color: #92400e; font-size: 13px; }
+.revision-diff { display: flex; flex-direction: column; gap: 8px; }
+.diff-row { display: flex; align-items: center; gap: 8px; font-size: 13px; }
+.diff-label { color: #6b7280; min-width: 60px; }
+.diff-before { color: #dc2626; text-decoration: line-through; }
+.diff-arrow { color: #9ca3af; }
+.diff-after { color: #16a34a; font-weight: 500; }
+
+/* 单项计算明细 */
+.item-calc-details { margin-top: 16px; padding-top: 16px; border-top: 1px solid #e5e7eb; }
+.item-calc-details h4 { margin: 0 0 12px; font-size: 14px; color: #374151; }
+.item-calc-row { padding: 8px 12px; background: #f9fafb; border-radius: 8px; margin-bottom: 8px; }
+.item-calc-row:last-child { margin-bottom: 0; }
+.item-calc-name { margin: 0 0 4px; font-weight: 500; color: #374151; font-size: 13px; }
+.item-calc-row p { margin: 2px 0; color: #6b7280; font-size: 12px; }
+
 /* 审批操作 */
 .action-card { background: #f9fafb; }
 .action-hint { margin: 0 0 16px; color: #6b7280; font-size: 13px; }

frontend/web-admin/src/views/OrdersPage.vue

@@ -163,7 +163,7 @@
             <span :class="['doc-status-badge', 'badge-' + detail.order.rawStatus]">{{ detail.order.statusText }}</span>
             <span v-if="detail.order.trackingNumber" class="doc-status-badge badge-self-delivery" title="马甸工厂自发">自发</span>
           </div>
-          <div v-if="false" class="doc-header-right">
+          <div class="doc-header-right">
             <button v-if="!isEditing && canEditOrder(detail.order.rawStatus)" class="primary-btn"
                     @click="enterEditMode">编辑
             </button>
@@ -297,6 +297,10 @@
                 <span v-if="!isEditing">{{ detail.order.remark }}</span>
                 <textarea v-else v-model="editForm.remark" rows="2" placeholder="请输入备注"></textarea>
               </div>
+              <div v-if="isEditing && !['draft', 'rejected'].includes(detail.order.rawStatus)" class="doc-field full-width">
+                <label>修订原因</label>
+                <textarea v-model="editForm.revision_reason" rows="2" placeholder="请输入修订原因（选填，系统会自动重算成本）"></textarea>
+              </div>
             </div>
           </div>
 
@@ -429,9 +433,9 @@
               <div class="doc-timeline-content">
                 <div class="doc-timeline-header">
                   <strong>{{ log.approve_time }}</strong>
-                  <span class="doc-tag">{{ log.approve_type === 'order' ? '订单审批' : '取消审批' }}</span>
-                  <span :class="['doc-result-tag', log.approve_result === 'pass' ? 'result-pass' : 'result-reject']">{{
-                      log.approve_result === 'pass' ? '通过' : '驳回'
+                  <span class="doc-tag">{{ log.approve_type === 'order' ? '订单审批' : (log.approve_type === 'revise' ? '订单修订' : '取消审批') }}</span>
+                  <span :class="['doc-result-tag', log.approve_result === 'pass' || log.approve_result === 'revised' ? 'result-pass' : 'result-reject']">{{
+                      log.approve_result === 'pass' ? '通过' : (log.approve_result === 'revised' ? '已修订' : '驳回')
                     }}</span>
                 </div>
                 <p v-if="log.approve_opinion" class="doc-timeline-opinion">{{ log.approve_opinion }}</p>
@@ -900,6 +904,7 @@ import {
   cancelOrderById,
   fetchOrderDetailAdmin,
   updateOrder,
+  reviseOrder,
   submitOrderToReview,
   changeOrderStatus,
   settleOrder,
@@ -1070,6 +1075,7 @@ const editForm = reactive({
   commission_amount: 0,
   payment_method: '',
   remark: '',
+  revision_reason: '',
 });
 const editItems = ref([]);
 const productOptions = ref([]);
@@ -1107,7 +1113,9 @@ function handleProductChange(item, event) {
 }
 
 function canEditOrder(status) {
-  return ['draft', 'rejected', 'pending_approve'].includes(status);
+  // 管理员可修订：草稿/已退回用 updateOrder，其他非终态用 reviseOrder
+  const terminalStatuses = ['canceled', 'settled'];
+  return !terminalStatuses.includes(status);
 }
 
 function enterEditMode() {
@@ -1128,6 +1136,7 @@ function enterEditMode() {
   editForm.payment_method = detail.order.paymentMethod === '-' ? '' : detail.order.paymentMethod;
   editForm.remark = detail.order.remark === '-' ? '' : detail.order.remark;
   editForm.customer_demand = detail.order.customerDemand || '';
+  editForm.revision_reason = '';
   // 复制商品明细
   editItems.value = (detail.items || []).map(item => ({...item}));
 }
@@ -1179,33 +1188,55 @@ async function saveEdit() {
 
   editSaving.value = true;
   try {
-    const payload = {
-      customer_name: editForm.customer_name.trim(),
-      customer_mobile: editForm.customer_mobile.trim(),
-      customer_address: editForm.customer_address.trim() || null,
-      order_source: editForm.order_source.trim() || null,
-      delivery_type: editForm.delivery_type.trim() || null,
-      contract_amount: Number(editForm.contract_amount) || 0,
-      rebate_total: Number(editForm.rebate_total) || 0,
-      freight_total: Number(editForm.freight_total) || 0,
-      tax_total: Number(editForm.tax_total) || 0,
-      other_fee_total: Number(editForm.other_fee_total) || 0,
-      commission_amount: Number(editForm.commission_amount) || 0,
-      payment_method: editForm.payment_method.trim() || null,
-      remark: editForm.remark.trim() || null,
-      customer_demand: editForm.customer_demand.trim() || null,
-      items: editItems.value.map(item => ({
-        product_id: item.product_id || null,
-        product_name: item.product_name.trim(),
-        specification: item.specification?.trim() || '',
-        unit: item.unit?.trim() || '',
-        quantity: Number(item.quantity) || 1,
-        sale_price: Number(item.sale_price) || 0,
-        cost_price: Number(item.cost_price) || 0,
-      })),
-    };
-    await updateOrder(detail.orderId, payload);
-    toast.success('订单已更新');
+    const itemsPayload = editItems.value.map(item => ({
+      product_id: item.product_id || null,
+      product_name: item.product_name.trim(),
+      specification: item.specification?.trim() || '',
+      unit: item.unit?.trim() || '',
+      quantity: Number(item.quantity) || 1,
+      sale_price: Number(item.sale_price) || 0,
+      cost_price: Number(item.cost_price) || 0,
+    }));
+
+    const rawStatus = detail.order.rawStatus;
+    const isDraftOrRejected = ['draft', 'rejected'].includes(rawStatus);
+
+    if (isDraftOrRejected) {
+      // 草稿/已退回：使用普通更新接口
+      const payload = {
+        customer_name: editForm.customer_name.trim(),
+        customer_mobile: editForm.customer_mobile.trim(),
+        customer_address: editForm.customer_address.trim() || null,
+        order_source: editForm.order_source.trim() || null,
+        delivery_type: editForm.delivery_type.trim() || null,
+        contract_amount: Number(editForm.contract_amount) || 0,
+        rebate_total: Number(editForm.rebate_total) || 0,
+        freight_total: Number(editForm.freight_total) || 0,
+        tax_total: Number(editForm.tax_total) || 0,
+        other_fee_total: Number(editForm.other_fee_total) || 0,
+        commission_amount: Number(editForm.commission_amount) || 0,
+        payment_method: editForm.payment_method.trim() || null,
+        remark: editForm.remark.trim() || null,
+        customer_demand: editForm.customer_demand.trim() || null,
+        items: itemsPayload,
+      };
+      await updateOrder(detail.orderId, payload);
+      toast.success('订单已更新');
+    } else {
+      // 已提交/已审批等状态：使用修订接口（自动重算成本）
+      const payload = {
+        items: itemsPayload,
+        revision_reason: editForm.revision_reason?.trim() || '管理员修改',
+        contract_amount: Number(editForm.contract_amount) || undefined,
+        rebate_total: Number(editForm.rebate_total) || 0,
+        freight_total: Number(editForm.freight_total) || 0,
+        tax_total: Number(editForm.tax_total) || 0,
+        other_fee_total: Number(editForm.other_fee_total) || 0,
+      };
+      await reviseOrder(detail.orderId, payload);
+      toast.success('订单已修订，成本已自动重算');
+    }
+
     isEditing.value = false;
     await loadDetail();
     await handleSearch();
@@ -1651,7 +1682,7 @@ async function handleApprovalPass() {
       detailActionBusy.value = false;
     }
   } else {
-    // 非自发订单：需要选择工厂和司机
+    // 非自发订单：调用审批接口，后端统一处理工厂分配和物流任务创建
     if (!selectedFactoryId.value) {
       toast.error('请选择下发工厂');
       return;
@@ -1662,20 +1693,11 @@ async function handleApprovalPass() {
     }
     detailActionBusy.value = true;
     try {
-      // 先选择工厂并进入待工厂状态
-      await changeOrderStatus(detail.orderId, {
-        target_status: 'pending_factory',
+      await approveOrder(detail.orderId, {
+        approve_result: 'pass',
+        approve_opinion: '审批通过',
         factory_id: selectedFactoryId.value,
-      });
-      // 再分配司机并创建物流任务
-      await createLogisticsTask({
-        order_id: detail.orderId,
         driver_id: Number(selectedDriverId.value),
-        pickup_address: getFactoryAddress(selectedFactoryId.value) || detail.order.factoryName || '',
-        delivery_address: detail.order.customerAddress || '',
-        pickup_content: detail.order.customerName ? `${detail.order.customerName} 订单货物` : '',
-        quantity: 1,
-        factory_id: selectedFactoryId.value,
       });
       toast.success('审批通过，已下发工厂并分配司机');
       await loadDetail();
@@ -1706,7 +1728,8 @@ async function handleApprovalReject() {
       // 驳回取消申请 - 使用 cancel-approve 接口
       await cancelApproveOrder(detail.orderId, {approve_result: 'refuse', approve_opinion: opinion || '驳回取消'});
     } else {
-      await changeOrderStatus(detail.orderId, {target_status: 'rejected', approve_opinion: opinion || '退回'});
+      // 使用审批接口退回，确保审批日志正确记录
+      await approveOrder(detail.orderId, {approve_result: 'reject', approve_opinion: opinion || '退回'});
     }
     toast.success(isCancelFlow ? '已驳回取消' : '已退回');
     await loadDetail();

frontend/web-admin/src/views/PricingRulesPage.vue

@@ -214,6 +214,8 @@
             <option value="area">按面积(㎡)</option>
             <option value="kg">按公斤(kg)</option>
             <option value="unit">按件</option>
+            <option value="linear_m">按米(m)</option>
+            <option value="weight_g">按克重(g)</option>
           </select>
         </label>
         <label>
@@ -513,10 +515,12 @@ const PRICING_PRESETS = {
   area: { unit: "㎡", formula: "round($input.length_m * $input.width_m * $rule.base_unit_price, 2)", inputs: '[{"key":"length","type":"number","default_unit":"m"},{"key":"width","type":"number","default_unit":"m"}]', note: "长×宽×单价" },
   kg: { unit: "kg", formula: "round($input.length_m * $input.width_m * $product.weight_gsm / 1000 * $rule.base_unit_price, 2)", inputs: '[{"key":"length","type":"number","default_unit":"m"},{"key":"width","type":"number","default_unit":"m"}]', note: "长×宽×克重÷1000×单价" },
   unit: { unit: "张", formula: "$input.quantity * $rule.base_unit_price", inputs: '[{"key":"quantity","type":"number","default_unit":"张"}]', note: "数量×单价" },
+  linear_m: { unit: "m", formula: "round($input.length_m * $rule.base_unit_price, 2)", inputs: '[{"key":"length","type":"number","default_unit":"m","unit_type":"length"}]', note: "长度×单价" },
+  weight_g: { unit: "g", formula: "round($input.weight_kg * $rule.base_unit_price, 2)", inputs: '[{"key":"weight","type":"number","default_unit":"g","unit_type":"weight"}]', note: "重量×单价" },
 };
 
 /** 计价单位输入提示 */
-const pricingUnitHint = computed(() => ({ area: "如 28 表示 28 元/㎡", kg: "如 58 表示 58 元/kg", unit: "如 10 表示 10 元/张" })[editingRule.pricing_type] || "填写单价");
+const pricingUnitHint = computed(() => ({ area: "如 28 表示 28 元/㎡", kg: "如 58 表示 58 元/kg", unit: "如 10 表示 10 元/张", linear_m: "如 15 表示 15 元/米", weight_g: "如 0.08 表示 0.08 元/克" })[editingRule.pricing_type] || "填写单价");
 
 /** 公式说明默认提示 */
 const formulaNoteHint = computed(() => PRICING_PRESETS[editingRule.pricing_type]?.note || "如 长×宽×单价");

frontend/web-sales/src/mockApi.js

@@ -89,7 +89,7 @@ function mapOrderStatus(status) {
  * @returns {string} 中文类型名称
  */
 function mapApproveType(type) {
-  const typeMap = { order: "订单审批", cancel_order: "取消审批" };
+  const typeMap = { order: "订单审批", cancel_order: "取消审批", revise: "订单修订" };
   return typeMap[type] || type || "-";
 }
 
@@ -99,7 +99,7 @@ function mapApproveType(type) {
  * @returns {string} 中文结果名称
  */
 function mapApproveResult(result) {
-  const resultMap = { pass: "通过", reject: "驳回", refuse: "驳回" };
+  const resultMap = { pass: "通过", reject: "驳回", refuse: "驳回", revised: "已修订" };
   return resultMap[result] || result || "-";
 }
 
@@ -293,6 +293,32 @@ export async function fetchConfigItem(configKey) {
   return request(`/api/configs/${configKey}`);
 }
 
+// ========== 定价预估 ==========
+
+/**
+ * 调用定价引擎预估成本（不创建订单）
+ * @param {Object} payload - { product_id, quantity, length_m?, width_m?, weight_g?, surcharge_*, price_tier? }
+ * @returns {Promise<Object>} 定价结果（cost_price, formula_detail 等）
+ */
+export async function calculateQuotation(payload) {
+  return request("/api/quotation/calculate", {
+    method: "POST",
+    body: JSON.stringify(payload),
+  });
+}
+
+/**
+ * AI 辅助定价建议（规则缺失时的兜底方案）
+ * @param {Object} payload - { product_id, quantity, length_m?, width_m?, weight_g? }
+ * @returns {Promise<Object>} { suggested_cost, ai_reason, ai_confidence, needs_manual_confirmation }
+ */
+export async function aiSuggestPricing(payload) {
+  return request("/api/quotation/ai-suggest", {
+    method: "POST",
+    body: JSON.stringify(payload),
+  });
+}
+
 // ========== 订单管理 ==========
 
 /**
@@ -363,6 +389,10 @@ export async function fetchOrderDetail(orderId) {
       unit: item.unit || "-",
       quantity: Number(item.quantity || 0).toFixed(2),
       salePrice: Number(item.sale_price || 0).toFixed(2),
+      costPrice: Number(item.cost_price || 0).toFixed(2),
+      pricingType: item.pricing_type || "",
+      areaSqm: item.area_sqm ? Number(item.area_sqm).toFixed(4) : "",
+      supplierModel: item.supplier_model || "",
     })),
     approveLogs: (data.approve_logs || []).map((item) => ({
       id: item.log_id,

frontend/web-sales/src/views/OrderDetailPage.vue

@@ -139,18 +139,18 @@
                 <tr>
                   <th>产品名称</th>
                   <th>规格</th>
-                  <th>需求规格</th>
-                  <th>单位</th>
                   <th>数量</th>
+                  <th>计价方式</th>
+                  <th>成本单价</th>
                 </tr>
               </thead>
               <tbody>
                 <tr v-for="item in orderItems" :key="item.id">
                   <td>{{ item.productName }}</td>
                   <td>{{ item.specification }}</td>
-                  <td>{{ item.demandSpecification || "-" }}</td>
-                  <td>{{ item.unit }}</td>
-                  <td>{{ item.quantity }}</td>
+                  <td>{{ item.quantity }}{{ item.unit }}</td>
+                  <td>{{ getPricingTypeLabel(item.pricingType) }}</td>
+                  <td>¥{{ item.costPrice }}</td>
                 </tr>
               </tbody>
             </table>
@@ -295,6 +295,9 @@ const selfTrackingForm = reactive({ tracking_number: "", remark: "" });
 const traceList = ref([]);
 let unsubscribeReminder = null;
 
+const PRICING_TYPE_LABELS = { area: "按面积", kg: "按重量", weight_g: "按克重", unit: "按件", 件: "按件", linear_m: "按长度" };
+function getPricingTypeLabel(type) { return PRICING_TYPE_LABELS[type] || type || "-"; }
+
 function canSubmit(status) {
   return ["draft", "rejected"].includes(status);
 }

frontend/web-sales/src/views/OrderFormPage.vue

@@ -225,6 +225,29 @@
                 <span>数量</span>
                 <input v-model.number="row.quantity" type="number" min="0.01" step="0.01" />
               </label>
+              <!-- 特殊计价字段 -->
+              <label>
+                <span>长度(米)</span>
+                <input v-model.number="row.length_m" type="number" min="0" step="0.01" placeholder="选填" />
+              </label>
+              <label>
+                <span>宽度(米)</span>
+                <input v-model.number="row.width_m" type="number" min="0" step="0.01" placeholder="选填" />
+              </label>
+              <label>
+                <span>克重(g)</span>
+                <input v-model.number="row.weight_g" type="number" min="0" step="1" placeholder="选填" />
+              </label>
+              <!-- 定价预览 -->
+              <div v-if="row.product_id" class="pricing-preview-row">
+                <button type="button" class="ghost-btn small-btn" :disabled="row._pricingLoading" @click="handlePricingPreview(row)">
+                  {{ row._pricingLoading ? '计算中...' : '预估成本' }}
+                </button>
+                <div v-if="row._pricingPreview" class="pricing-preview-result">
+                  <span class="preview-cost">预估成本: ¥{{ row._pricingPreview.cost_price }}</span>
+                  <span v-if="row._pricingPreview.formula_detail" class="preview-formula">{{ row._pricingPreview.formula_detail }}</span>
+                </div>
+              </div>
             </div>
           </div>
         </div>
@@ -316,7 +339,7 @@
 
     <section class="actions">
       <button type="button" class="secondary-btn" @click="resetForm">重置表单</button>
-      <button type="submit" class="primary-btn" :disabled="submitting || optionLoading" @click="handleSubmit">
+      <button type="submit" class="primary-btn" :disabled="submitting || optionLoading">
         {{ submitting ? (isEditMode ? "更新中..." : "创建中...") : (isEditMode ? "更新订单" : "创建订单") }}
       </button>
     </section>
@@ -328,6 +351,8 @@ import { computed, onMounted, reactive, ref } from "vue";
 import { useRoute, useRouter } from "vue-router";
 
 import {
+  aiSuggestPricing,
+  calculateQuotation,
   createOrder,
   fetchConfigItem,
   fetchCustomerOptions,
@@ -380,6 +405,14 @@ function buildDefaultItem() {
     sale_price: 0,
     cost_price: 0,
     remark: "",
+    // 特殊计价字段
+    length_m: null,
+    width_m: null,
+    weight_g: null,
+    pricing_type: "",
+    price_tier: "",
+    _pricingPreview: null,
+    _pricingLoading: false,
     _searchText: "",
     _showDropdown: false,
     _filteredProducts: [],
@@ -688,6 +721,7 @@ function removeAttachment(index) {
 
 async function uploadAttachments(orderId) {
   for (const item of attachmentFiles.value) {
+    if (item.existing) continue; // 跳过已有附件，不重复上传
     const uploadResult = await localUploadFile(item.file);
     await saveAttachment({
       biz_type: "sales_order",
@@ -807,6 +841,66 @@ function calcDemandResult(row) {
   row._demandCalcHint = "";
 }
 
+async function handlePricingPreview(row) {
+  if (!row.product_id) {
+    row._pricingPreview = null;
+    return;
+  }
+  row._pricingLoading = true;
+  row._pricingPreview = null;
+  try {
+    const payload = {
+      product_id: row.product_id,
+      quantity: row.quantity || 1,
+    };
+    if (row.length_m) {
+      payload.length = row.length_m;
+      payload.length_unit = "m";
+    }
+    if (row.width_m) {
+      payload.width = row.width_m;
+      payload.width_unit = "m";
+    }
+    if (row.weight_g) {
+      payload.weight = row.weight_g;
+      payload.weight_unit = "g";
+    }
+    if (row.price_tier) {
+      payload.price_tier = row.price_tier;
+    }
+    const result = await calculateQuotation(payload);
+    row._pricingPreview = result;
+    // 自动填充成本价
+    if (result.cost_price != null) {
+      row.cost_price = Number(result.cost_price);
+    }
+  } catch (e) {
+    // 规则缺失时，尝试 AI 辅助建议
+    try {
+      const aiPayload = {
+        product_id: row.product_id,
+        quantity: row.quantity || 1,
+      };
+      if (row.length_m) aiPayload.length_m = row.length_m;
+      if (row.width_m) aiPayload.width_m = row.width_m;
+      if (row.weight_g) aiPayload.weight_g = row.weight_g;
+      const aiResult = await aiSuggestPricing(aiPayload);
+      row._pricingPreview = {
+        cost_price: aiResult.suggested_cost || "无法估算",
+        formula_detail: `🤖 AI建议: ${aiResult.ai_reason}（置信度 ${Math.round((aiResult.ai_confidence || 0) * 100)}%，需人工确认）`,
+        ai_assisted: true,
+      };
+      if (aiResult.suggested_cost > 0) {
+        row.cost_price = Number(aiResult.suggested_cost);
+      }
+    } catch {
+      row._pricingPreview = { cost_price: "计算失败", formula_detail: e.message || "请检查产品是否配置了定价规则" };
+    }
+  } finally {
+    row._pricingLoading = false;
+  }
+}
+
 const paymentChannels = ref([]);
 
 async function loadOptions() {
@@ -836,6 +930,7 @@ async function loadOptions() {
 }
 
 async function handleSubmit() {
+  if (submitting.value) return; // 防止重复提交
   if (!form.customer_name.trim()) {
     message.value = "请输入客户姓名";
     messageType.value = "error";
@@ -886,7 +981,7 @@ async function handleSubmit() {
       remark: form.remark,
       auto_sync_customer: form.auto_sync_customer,
       customer_sync_mode: matchedCustomer ? 'linked' : form.auto_sync_customer ? 'auto_create' : 'manual_review',
-      items: validItems.map(({ rowKey, selectedProductId, _searchText, _showDropdown, _filteredProducts, ...rest }) => rest),
+      items: validItems.map(({ rowKey, selectedProductId, _searchText, _showDropdown, _filteredProducts, _demandResult, _demandCalcHint, _calcHint, _pricingPreview, _pricingLoading, ...rest }) => rest),
     };
     let result;
     if (isEditMode.value) {
@@ -1228,6 +1323,31 @@ select {
   border: 1px solid #bbf7d0;
   border-radius: 8px;
 }
+.pricing-preview-row {
+  grid-column: 1 / -1;
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding: 8px 0;
+}
+.small-btn {
+  padding: 6px 12px;
+  font-size: 12px;
+}
+.pricing-preview-result {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+}
+.preview-cost {
+  font-size: 14px;
+  font-weight: 600;
+  color: #059669;
+}
+.preview-formula {
+  font-size: 11px;
+  color: #6b7280;
+}
 
 .actions {
   display: flex;