ext

lib/ext/24/pages/detail_page.dart

@@ -0,0 +1,48 @@
+import 'dart:ffi';
+
+import 'package:flutter/material.dart';
+
+import '../navigation/left_navigation/left_router_delegate.dart';
+import '../navigation/right_navigation/right_router_delegate.dart';
+
+class DetailPage extends StatefulWidget {
+  final String id;
+  const DetailPage({super.key, required this.id});
+
+  @override
+  State<DetailPage> createState() => _DetailPageState();
+}
+
+class _DetailPageState extends State<DetailPage> {
+
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        leading: BackButton(
+          onPressed: (){
+            leftRouterDelegate.value = '/home';
+            rightRouterDelegate.value = '/detail?id=${widget.id}';
+          },
+        ),
+        title: Text('商品详情'),),
+      body: Center(child: Column(
+        children: [
+          Text('商品${widget.id}'),
+          const SizedBox(height: 30,),
+          Text('这是商品${widget.id}的详细信息\n'*10),
+          ElevatedButton(onPressed: (){
+            leftRouterDelegate.value =  '/detail?id=${widget.id}';
+            rightRouterDelegate.value =  '/detail?id=100';
+          }, child: Text('推荐 100'))
+        ],
+      ),),
+    );
+  }
+}

lib/ext/24/pages/home_list.dart

@@ -0,0 +1,31 @@
+import 'dart:ffi';
+
+import 'package:flutter/material.dart';
+
+import '../navigation/right_navigation/right_router_delegate.dart';
+
+class HomeListPage extends StatefulWidget {
+  const HomeListPage({super.key});
+
+  @override
+  State<HomeListPage> createState() => _HomeListPageState();
+}
+
+class _HomeListPageState extends State<HomeListPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+
+        title: Text('商品列表'),),
+      body: ListView.builder(itemBuilder: (_,index)=>ListTile(
+        onTap: ()=>_onTap(index),
+        title: Text('商品$index'),
+      )),
+    );
+  }
+
+  void _onTap(int index) {
+    rightRouterDelegate.value = '/detail?id=$index';
+  }
+}