fix: 批量匹配物流支持运单号匹配和收件人模糊匹配

1. 匹配优先运单号精确匹配，未命中再按收件人模糊匹配
2. _match_orders_by_name改为LIKE模糊匹配，支持部分姓名匹配
3. 限制最多返回10条候选避免过多结果

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/api/orders.py

@@ -446,14 +446,31 @@ def batch_match_logistics(
     else:
         raise AppException(code=ErrorCode.PARAM_ERROR, message=f"不支持的模式: {payload.mode}", status_code=400)
 
-    # 2. 对有收件人的条目自动匹配订单
+    # 2. 对有收件人或运单号的条目自动匹配订单
+    from backend.app.models.business import SalesOrder
     for item in items:
-        recipient = item.get("recipient_name")
+        candidates = []
+        # 先尝试运单号精确匹配
+        tn = (item.get("tracking_number") or "").strip()
+        if tn:
+            order = session.query(SalesOrder).filter(
+                SalesOrder.tracking_number == tn,
+                SalesOrder.deleted == 0,
+            ).first()
+            if order:
+                candidates = [{
+                    "order_id": order.id,
+                    "order_no": order.order_no,
+                    "customer_name": order.customer_name,
+                    "order_status": order.order_status,
+                    "tracking_number": order.tracking_number,
+                }]
+        # 运单号未匹配到，尝试按收件人模糊匹配
+        if not candidates:
+            recipient = (item.get("recipient_name") or "").strip()
             if recipient:
                 candidates = order_service._match_orders_by_name(recipient, session)
         item["candidates"] = candidates
-        else:
-            item["candidates"] = []
 
     return success_payload({"items": items})
 

backend/app/services/order_service.py

@@ -2598,12 +2598,20 @@ class OrderService:
         return results
 
     def _match_orders_by_name(self, name, session):
-        """Match orders by exact customer_name."""
+        """模糊匹配客户姓名，返回候选订单列表。"""
         from backend.app.models.business import SalesOrder
+        from sqlalchemy import or_
+        if not name or not name.strip():
+            return []
+        name = name.strip()
         orders = session.query(SalesOrder).filter(
+            or_(
                 SalesOrder.customer_name == name,
+                SalesOrder.customer_name.like(f"%{name}%"),
+                name.like(f"%{SalesOrder.customer_name}%"),
+            ),
             SalesOrder.deleted == 0,
-        ).all()
+        ).limit(10).all()
         return [
             {
                 "order_id": o.id,