feat: stock module

basic_info/migrations/0016_product_unit.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-04 02:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('basic_info', '0015_remove_product_single_price_product_single_price_in_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='product',
+            name='unit',
+            field=models.IntegerField(choices=[(1, '米'), (2, '码'), (3, '公斤')], default=1, verbose_name='单位'),
+        ),
+    ]

basic_info/migrations/0017_product_image.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-04 05:07
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('basic_info', '0016_product_unit'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='product',
+            name='image',
+            field=models.ImageField(blank=True, null=True, upload_to='product_images/', verbose_name='产品图片'),
+        ),
+    ]

basic_info/models.py

@@ -117,8 +117,19 @@ class Product(ModelBase):
         blank=True,
         null=True,
     )
+    unit = models.IntegerField(
+        choices=ProductUnitEnum.choices,
+        default=ProductUnitEnum.METER,
+        verbose_name='单位',
+    )
     spec = models.CharField(max_length=100, blank=True, null=True, verbose_name='规格')
     description = models.TextField(blank=True, null=True, verbose_name='备注描述')
+    image = models.ImageField(
+        upload_to='product_images/', 
+        blank=True, 
+        null=True, 
+        verbose_name='产品图片',
+    )
     transform_rate = models.DecimalField(
         max_digits=10,
         decimal_places=4,