对接登录接口

lib/models/user.dart

 class User {
   final String username;
   final String password;
+  final String? token;
 
-  User({required this.username, required this.password});
+  User({
+    required this.username,
+    required this.password,
+    this.token,
+  });
 
   Map<String, dynamic> toJson() {
     return {
       'username': username,
       'password': password,
+      'token': token,
     };
   }
 
@@ -15,6 +21,7 @@ class User {
     return User(
       username: json['username'],
       password: json['password'],
+      token: json['token'],
     );
   }
 }

lib/pages/login_page.dart

 import 'package:flutter/material.dart';
 import 'package:allen/models/user.dart';
 import 'package:allen/services/storage_service.dart';
+import 'package:allen/services/api_service.dart';
 
 class LoginPage extends StatefulWidget {
   const LoginPage({super.key});
@@ -24,12 +25,31 @@ class _LoginPageState extends State<LoginPage> {
       return;
     }
 
-    final user = User(username: username, password: password);
+    try {
+      final response = await ApiService.login(username, password);
+
+      if (response['result'] == 'success') {
+        final token = response['data'];
+        final user = User(username: username, password: password, token: token);
         await StorageService.saveUser(user);
 
         if (mounted) {
           Navigator.of(context).pushReplacementNamed('/home');
         }
+      } else {
+        if (mounted) {
+          ScaffoldMessenger.of(context).showSnackBar(
+            const SnackBar(content: Text('登录失败，请检查用户名和密码')),
+          );
+        }
+      }
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(content: Text('登录失败，请稍后重试')),
+        );
+      }
+    }
   }
 
   @override

lib/services/api_service.dart

+import 'dart:convert';
+import 'package:http/http.dart' as http;
+
+class ApiService {
+  static const String baseUrl =
+      'https://knowledge-web.apps.iytcloud.com/console/api';
+
+  static Future<Map<String, dynamic>> login(
+      String email, String password) async {
+    final response = await http.post(
+      Uri.parse('$baseUrl/login/'),
+      headers: {
+        'Content-Type': 'application/json',
+        'Accept': 'application/json',
+      },
+      body: jsonEncode({
+        'email': email,
+        'password': password,
+      }),
+    );
+
+    return jsonDecode(response.body);
+  }
+}

pubspec.lock

@@ -132,10 +132,10 @@ packages:
     dependency: "direct main"
     description:
       name: http
-      sha256: "5895291c13fa8a3bd82e76d5627f69e0d85ca6a30dcac95c4ea19a5d555879c2"
+      sha256: b9c29a161230ee03d3ccf545097fccd9b87a5264228c5d348202e0f0c28f9010
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.13.6"
+    version: "1.2.2"
   http_parser:
     dependency: transitive
     description:

pubspec.yaml

@@ -30,13 +30,12 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-
+  http: ^1.1.0
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
   speech_to_text: ^6.1.1
-  http: ^0.13.5
   flutter_tts: ^3.6.3
   animate_do: ^3.0.2
   shared_preferences: ^2.0.15