feat:增加菜谱后端接口

lib/widgets/recipe/recipe_list.dart

@@ -1,6 +1,7 @@
-import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
 import 'package:food_hub_app/models/recipe.dart';
 import 'package:food_hub_app/widgets/recipe/recipe_card.dart';
+import 'package:tdesign_flutter/tdesign_flutter.dart';
 
 class RecipeList extends StatelessWidget {
   final List<Recipe> recipeList;
@@ -9,14 +10,21 @@ class RecipeList extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return ListView.separated(
-      itemCount: recipeList.length,
-      itemBuilder: (context, index) {
-        return RecipeCard(recipe: recipeList[index]);
-      },
-      separatorBuilder: (context, index) {
-        return const SizedBox(height: 10);
-      },
-    );
+    if (recipeList.isEmpty) {
+      return const TDEmpty(
+        type: TDEmptyType.plain,
+        emptyText: '暂无数据',
+      );
+    } else {
+      return ListView.separated(
+        itemCount: recipeList.length,
+        itemBuilder: (context, index) {
+          return RecipeCard(recipe: recipeList[index]);
+        },
+        separatorBuilder: (context, index) {
+          return const SizedBox(height: 10);
+        },
+      );
+    }
   }
 }