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vipg
2025-11-13 17:10:01 +08:00
parent cddd551df9
commit 5e4d7509fd
4 changed files with 183 additions and 61 deletions
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128
frontend/asset_assistant/lib/login/login_page.dart Normal file
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@@ -0,0 +1,128 @@
import 'package:flutter/material.dart';
import 'package:dio/dio.dart';
class LoginPage extends StatefulWidget {
const LoginPage({super.key});
@override
State<LoginPage> createState() => _LoginPageState();
}
class _LoginPageState extends State<LoginPage> {
final _formKey = GlobalKey<FormState>();
final _usernameController = TextEditingController();
final _passwordController = TextEditingController();
bool _isLoading = false;
final _dio = Dio();
Future<void> _submitForm() async {
if (_formKey.currentState!.validate()) {
setState(() {
_isLoading = true;
});
try {
final response = await _dio.post(
'https://api.fishestlife.com/user/login',
data: {
'username': _usernameController.text.trim(),
'password': _passwordController.text.trim(),
},
);
// 登录成功处理
if (response.statusCode == 200) {
// 这里根据实际返回的数据结构处理
if (mounted) {
ScaffoldMessenger.of(
context,
).showSnackBar(const SnackBar(content: Text('登录成功')));
// 导航到主页或其他页面
// Navigator.pushReplacement(...);
}
}
} catch (e) {
// 错误处理
if (mounted) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text('登录失败: ${e.toString()}')));
}
} finally {
if (mounted) {
setState(() {
_isLoading = false;
});
}
}
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('登录')),
body: Padding(
padding: const EdgeInsets.all(16.0),
child: Form(
key: _formKey,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
TextFormField(
controller: _usernameController,
decoration: const InputDecoration(
labelText: '用户名',
prefixIcon: Icon(Icons.person),
border: OutlineInputBorder(),
),
validator: (value) {
if (value == null || value.isEmpty) {
return '请输入用户名';
}
return null;
},
enabled: !_isLoading,
),
const SizedBox(height: 16),
TextFormField(
controller: _passwordController,
decoration: const InputDecoration(
labelText: '密码',
prefixIcon: Icon(Icons.lock),
border: OutlineInputBorder(),
),
obscureText: true,
validator: (value) {
if (value == null || value.isEmpty) {
return '请输入密码';
}
return null;
},
enabled: !_isLoading,
),
const SizedBox(height: 24),
SizedBox(
width: double.infinity,
child: ElevatedButton(
onPressed: _isLoading ? null : _submitForm,
child: _isLoading
? const CircularProgressIndicator()
: const Text('登录'),
),
),
],
),
),
),
);
}
@override
void dispose() {
_usernameController.dispose();
_passwordController.dispose();
_dio.close();
super.dispose();
}
}

63
frontend/asset_assistant/lib/main.dart
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@@ -1,3 +1,4 @@
import 'package:asset_assistant/login/login_page.dart';
import 'package:flutter/material.dart';
void main() {
@@ -7,46 +8,23 @@ void main() {
class MyApp extends StatelessWidget {
const MyApp({super.key});
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
// This is the theme of your application.
//
// TRY THIS: Try running your application with "flutter run". You'll see
// the application has a purple toolbar. Then, without quitting the app,
// try changing the seedColor in the colorScheme below to Colors.green
// and then invoke "hot reload" (save your changes or press the "hot
// reload" button in a Flutter-supported IDE, or press "r" if you used
// the command line to start the app).
//
// Notice that the counter didn't reset back to zero; the application
// state is not lost during the reload. To reset the state, use hot
// restart instead.
//
// This works for code too, not just values: Most code changes can be
// tested with just a hot reload.
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
),
home: const MyHomePage(title: 'Flutter Demo Home Page'),
// 将home改为LoginPage
home: const LoginPage(),
);
}
}
// 以下MyHomePage代码可以保留或删除，根据实际需求决定
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
// This widget is the home page of your application. It is stateful, meaning
// that it has a State object (defined below) that contains fields that affect
// how it looks.
// This class is the configuration for the state. It holds the values (in this
// case the title) provided by the parent (in this case the App widget) and
// used by the build method of the State. Fields in a Widget subclass are
// always marked "final".
final String title;
@override
@@ -58,50 +36,19 @@ class _MyHomePageState extends State<MyHomePage> {
void _incrementCounter() {
setState(() {
// This call to setState tells the Flutter framework that something has
// changed in this State, which causes it to rerun the build method below
// so that the display can reflect the updated values. If we changed
// _counter without calling setState(), then the build method would not be
// called again, and so nothing would appear to happen.
_counter++;
});
}
@override
Widget build(BuildContext context) {
// This method is rerun every time setState is called, for instance as done
// by the _incrementCounter method above.
//
// The Flutter framework has been optimized to make rerunning build methods
// fast, so that you can just rebuild anything that needs updating rather
// than having to individually change instances of widgets.
return Scaffold(
appBar: AppBar(
// TRY THIS: Try changing the color here to a specific color (to
// Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
// change color while the other colors stay the same.
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: Text(widget.title),
),
body: Center(
// Center is a layout widget. It takes a single child and positions it
// in the middle of the parent.
child: Column(
// Column is also a layout widget. It takes a list of children and
// arranges them vertically. By default, it sizes itself to fit its
// children horizontally, and tries to be as tall as its parent.
//
// Column has various properties to control how it sizes itself and
// how it positions its children. Here we use mainAxisAlignment to
// center the children vertically; the main axis here is the vertical
// axis because Columns are vertical (the cross axis would be
// horizontal).
//
// TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
// action in the IDE, or press "p" in the console), to see the
// wireframe for each widget.
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text('You have pushed the button this many times:'),
@@ -116,7 +63,7 @@ class _MyHomePageState extends State<MyHomePage> {
onPressed: _incrementCounter,
tooltip: 'Increment',
child: const Icon(Icons.add),
), // This trailing comma makes auto-formatting nicer for build methods.
),
);
}
}

48
frontend/asset_assistant/pubspec.lock
View File

@@ -49,6 +49,22 @@ packages:
url: "https://pub.dev"
source: hosted
version: "1.0.8"
dio:
dependency: "direct main"
description:
name: dio
sha256: d90ee57923d1828ac14e492ca49440f65477f4bb1263575900be731a3dac66a9
url: "https://pub.dev"
source: hosted
version: "5.9.0"
dio_web_adapter:
dependency: transitive
description:
name: dio_web_adapter
sha256: "7586e476d70caecaf1686d21eee7247ea43ef5c345eab9e0cc3583ff13378d78"
url: "https://pub.dev"
source: hosted
version: "2.1.1"
fake_async:
dependency: transitive
description:
@@ -75,6 +91,14 @@ packages:
description: flutter
source: sdk
version: "0.0.0"
http_parser:
dependency: transitive
description:
name: http_parser
sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
url: "https://pub.dev"
source: hosted
version: "4.1.2"
leak_tracker:
dependency: transitive
description:
@@ -131,6 +155,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "1.16.0"
mime:
dependency: transitive
description:
name: mime
sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
url: "https://pub.dev"
source: hosted
version: "2.0.0"
path:
dependency: transitive
description:
@@ -192,6 +224,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "0.7.6"
typed_data:
dependency: transitive
description:
name: typed_data
sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
url: "https://pub.dev"
source: hosted
version: "1.4.0"
vector_math:
dependency: transitive
description:
@@ -208,6 +248,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "15.0.2"
web:
dependency: transitive
description:
name: web
sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
url: "https://pub.dev"
source: hosted
version: "1.1.1"
sdks:
dart: ">=3.9.2 <4.0.0"
flutter: ">=3.18.0-18.0.pre.54"

5
frontend/asset_assistant/pubspec.yaml
View File

@@ -30,9 +30,8 @@ environment:
dependencies:
flutter:
sdk: flutter
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
dio: ^5.3.3 # 网络请求库
cupertino_icons: ^1.0.8
dev_dependencies: