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

2026-08-06 14:09:27 +08:00
commit 75f214dc40
48 changed files with 4684 additions and 0 deletions
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+from django.core.management.base import BaseCommand
+
+from meals.models import Dish
+
+TYPE_MAP = {'荤菜': 'meat', '素菜': 'veg', '汤': 'soup', '主食': 'staple'}
+TYPE_MAP_REV = {v: k for k, v in TYPE_MAP.items()}
+
+
+class Command(BaseCommand):
+    help = '从文本文件批量导入菜品。每行格式：类型|菜名|配料明细|蛋白质|脂肪|热量|菜系  （类型：荤菜/素菜/汤/主食，营养与菜系可省略）'
+
+    def add_arguments(self, parser):
+        parser.add_argument('file', help='菜品文本文件路径')
+
+    def handle(self, *args, **options):
+        path = options['file']
+        created, skipped = 0, 0
+        with open(path, encoding='utf-8-sig') as f:
+            for line_no, line in enumerate(f, 1):
+                line = line.strip()
+                if not line or line.startswith('#'):
+                    continue
+                parts = [p.strip() for p in line.split('|')]
+                if len(parts) < 2:
+                    self.stderr.write(f'第 {line_no} 行格式错误，已跳过: {line}')
+                    skipped += 1
+                    continue
+                label, name = parts[0], parts[1]
+                dish_type = TYPE_MAP.get(label)
+                if not dish_type or not name:
+                    self.stderr.write(f'第 {line_no} 行类型或菜名无效，已跳过: {line}')
+                    skipped += 1
+                    continue
+                ingredient = parts[2] if len(parts) > 2 else ''
+                protein = float(parts[3]) if len(parts) > 3 and parts[3] else 0
+                fat = float(parts[4]) if len(parts) > 4 and parts[4] else 0
+                calorie = int(float(parts[5])) if len(parts) > 5 and parts[5] else 0
+                cuisine = parts[6] if len(parts) > 6 and parts[6] else '家常菜'
+                dish, is_created = Dish.objects.update_or_create(
+                    name=name,
+                    defaults={
+                        'dish_type': dish_type,
+                        'cuisine': cuisine,
+                        'ingredient_detail': ingredient,
+                        'protein': protein,
+                        'fat': fat,
+                        'calorie': calorie,
+                    },
+                )
+                if is_created:
+                    created += 1
+                    self.stdout.write(f'新增: {label} - {name}（{cuisine}）')
+        self.stdout.write(self.style.SUCCESS(f'导入完成：新增 {created} 道，跳过 {skipped} 条'))