feat:更新菜谱表单

lib/provider/food_provider.dart

@@ -13,6 +13,7 @@ import 'package:food_hub_app/views/record.dart';
 class FoodProvider with ChangeNotifier {
   late RecordTab currentRecordTab = RecordTab.recipe;
   late FoodRecord recordFormItem;
+  late Recipe recipeFormItem;
   late Moment momentFormItem;
 
   late bool isEditing;
@@ -55,6 +56,16 @@ class FoodProvider with ChangeNotifier {
     notifyListeners();
   }
 
+  void resetRecipeForm() {
+    recipeFormItem = Recipe.getEmpty();
+    notifyListeners();
+  }
+
+  void initRecipeForm(Recipe recipe) {
+    recipeFormItem = recipe;
+    notifyListeners();
+  }
+
   void updateRecordFormItem({String? name, String? date, String? imageUrl}) {
     if (name != null) recordFormItem.name = name;
     if (date != null) recordFormItem.date = date;