学校订餐菜单生成器：Django+DRF 后端与 React 前端，支持 A/B 双套营养周菜单生成、部分自选、拼音搜索、营养校准、Excel 导出

backend/meals/migrations/0001_initial.py

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+# Generated by Django 6.0.8 on 2026-08-05 05:06
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Dish',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100, unique=True, verbose_name='菜名')),
+                ('dish_type', models.CharField(choices=[('meat', '荤菜'), ('veg', '素菜'), ('soup', '汤'), ('staple', '主食')], max_length=10, verbose_name='类型')),
+                ('description', models.CharField(blank=True, max_length=200, verbose_name='备注')),
+                ('is_active', models.BooleanField(default=True, verbose_name='启用')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+            ],
+            options={
+                'verbose_name': '菜品',
+                'verbose_name_plural': '菜品',
+                'ordering': ['dish_type', 'id'],
+            },
+        ),
+    ]

backend/meals/migrations/0002_dish_ingredient_detail.py

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+# Generated by Django 6.0.8 on 2026-08-05 05:19
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('meals', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='dish',
+            name='ingredient_detail',
+            field=models.CharField(blank=True, help_text='例如：牛心菜85g五花肉片15g', max_length=200, verbose_name='配料明细'),
+        ),
+    ]

backend/meals/migrations/0003_dish_calorie_dish_fat_dish_protein.py

@@ -0,0 +1,28 @@
+# Generated by Django 6.0.8 on 2026-08-05 05:23
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('meals', '0002_dish_ingredient_detail'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='dish',
+            name='calorie',
+            field=models.IntegerField(default=0, verbose_name='热量(kcal)'),
+        ),
+        migrations.AddField(
+            model_name='dish',
+            name='fat',
+            field=models.DecimalField(decimal_places=1, default=0, max_digits=6, verbose_name='脂肪(g)'),
+        ),
+        migrations.AddField(
+            model_name='dish',
+            name='protein',
+            field=models.DecimalField(decimal_places=1, default=0, max_digits=6, verbose_name='蛋白质(g)'),
+        ),
+    ]

backend/meals/migrations/0004_dish_cuisine.py

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+# Generated by Django 6.0.8 on 2026-08-05 13:09
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('meals', '0003_dish_calorie_dish_fat_dish_protein'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='dish',
+            name='cuisine',
+            field=models.CharField(blank=True, choices=[('家常菜', '家常菜'), ('本帮菜', '本帮菜'), ('江浙菜', '江浙菜'), ('川菜', '川菜'), ('粤菜', '粤菜'), ('鲁菜', '鲁菜'), ('湘菜', '湘菜'), ('西北菜', '西北菜'), ('面点小吃', '面点小吃')], default='家常菜', max_length=20, verbose_name='菜系'),
+        ),
+    ]