分支机构的项目管理，基于Django

fzjgact/huodong/migrations/0020_alter_equipmentimage_options_drawing.py

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+# Generated by Django 5.0.6 on 2025-06-13 09:40
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('huodong', '0019_remove_branch_equipment_image_equipmentimage'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='equipmentimage',
+            options={'verbose_name': '设备间图', 'verbose_name_plural': '设备间图'},
+        ),
+        migrations.CreateModel(
+            name='Drawing',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('image', models.ImageField(upload_to='drawings/')),
+                ('uploaded_at', models.DateTimeField(auto_now_add=True)),
+                ('branch', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='drawings', to='huodong.branch')),
+            ],
+            options={
+                'verbose_name': '图纸',
+                'verbose_name_plural': '图纸',
+            },
+        ),
+    ]