fix: added permission for plate_order and printing_order api

api_v1/views/shipment/serializers.py

@@ -3,6 +3,57 @@ Shipment API 序列化器
 """
 from rest_framework import serializers
 
+from shipment.models import Shipment
+
+
+class ShipmentSerializer(serializers.ModelSerializer):
+    """
+    出货单序列化器（只读，用于返回数据）
+    """
+    customer_name = serializers.CharField(source='customer.name', read_only=True)
+    created_by_id = serializers.IntegerField(source='created_by.id', read_only=True, allow_null=True)
+    created_by_name = serializers.SerializerMethodField()
+    items_count = serializers.SerializerMethodField()
+    
+    class Meta:
+        model = Shipment
+        fields = [
+            'id', 'customer', 'customer_name', 'shipment_date', 'remark',
+            'items_count', 'created_by_id', 'created_by_name',
+            'created_at', 'updated_at'
+        ]
+        read_only_fields = ['id', 'created_at', 'updated_at']
+    
+    def get_created_by_name(self, obj):
+        if obj.created_by:
+            employee = getattr(obj.created_by, 'employee', None)
+            if employee:
+                return employee.name
+            return obj.created_by.username
+        return None
+    
+    def get_items_count(self, obj):
+        return obj.items.count()
+
+
+class ShipmentCreateSerializer(serializers.Serializer):
+    """
+    出货单创建序列化器
+    """
+    customer = serializers.IntegerField(help_text='客户ID')
+    shipment_date = serializers.DateField(help_text='出货日期')
+    remark = serializers.CharField(required=False, default='', allow_blank=True, help_text='备注')
+    sales_items = serializers.ListField(
+        child=serializers.IntegerField(),
+        required=False,
+        default=list,
+        help_text='要关联的销售品ID列表'
+    )
+    
+    def validate_sales_items(self, value):
+        # 去重
+        return list(set(value)) if value else []
+
 
 class SalesItemSerializer(serializers.Serializer):
     """