feat:增加网络请求

lib/api/session.dart

@@ -0,0 +1,10 @@
+import 'package:food_hub_app/models/session.dart';
+import 'package:food_hub_app/utils/HttpUtil.dart';
+
+Future<Session?> loginApi(String username, String password) {
+  return HttpUtil().post<Session>(
+    "/session",
+    queryParameters: {"username": username, "password": password},
+    converter: (data) => Session.fromJson(data),
+  );
+}

lib/models/session.dart

@@ -0,0 +1,80 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'session.g.dart';
+
+@JsonSerializable()
+class SaTokenInfo {
+  String? tokenName;
+  String? tokenValue;
+  bool? isLogin;
+  dynamic loginId;
+  String? loginType;
+  int? tokenTimeout;
+  int? sessionTimeout;
+  int? tokenSessionTimeout;
+  int? tokenActiveTimeout;
+  String? loginDeviceType;
+  String? tag;
+
+  SaTokenInfo({
+    this.tokenName,
+    this.tokenValue,
+    this.isLogin,
+    this.loginId,
+    this.loginType,
+    this.tokenTimeout,
+    this.sessionTimeout,
+    this.tokenSessionTimeout,
+    this.tokenActiveTimeout,
+    this.loginDeviceType,
+    this.tag,
+  });
+
+  factory SaTokenInfo.fromJson(Map<String, dynamic> json) => _$SaTokenInfoFromJson(json);
+  Map<String, dynamic> toJson() => _$SaTokenInfoToJson(this);
+}
+
+@JsonSerializable()
+class User {
+  String? username;
+  int? gender;
+  String? phoneNumber;
+  String? email;
+  DateTime? birthDate;
+  String? avatar;
+  List<String>? area;
+  String? address;
+  String? job;
+  List<String>? tags;
+  String? description;
+  String? id;
+
+  User({
+    this.id,
+    this.username,
+    this.gender,
+    this.phoneNumber,
+    this.email,
+    this.birthDate,
+    this.avatar,
+    this.area,
+    this.address,
+    this.job,
+    this.tags,
+    this.description,
+  });
+
+  factory User.fromJson(Map<String, dynamic> json) => _$UserFromJson(json);
+  Map<String, dynamic> toJson() => _$UserToJson(this);
+}
+
+@JsonSerializable()
+class Session {
+  SaTokenInfo? saToken;
+  User? userInfo;
+
+  Session({this.saToken, this.userInfo});
+
+  factory Session.fromJson(Map<String, dynamic> json) => _$SessionFromJson(json);
+  Map<String, dynamic> toJson() => _$SessionToJson(this);
+}

lib/models/session.g.dart

@@ -0,0 +1,85 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'session.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+SaTokenInfo _$SaTokenInfoFromJson(Map<String, dynamic> json) => SaTokenInfo(
+  tokenName: json['tokenName'] as String?,
+  tokenValue: json['tokenValue'] as String?,
+  isLogin: json['isLogin'] as bool?,
+  loginId: json['loginId'],
+  loginType: json['loginType'] as String?,
+  tokenTimeout: (json['tokenTimeout'] as num?)?.toInt(),
+  sessionTimeout: (json['sessionTimeout'] as num?)?.toInt(),
+  tokenSessionTimeout: (json['tokenSessionTimeout'] as num?)?.toInt(),
+  tokenActiveTimeout: (json['tokenActiveTimeout'] as num?)?.toInt(),
+  loginDeviceType: json['loginDeviceType'] as String?,
+  tag: json['tag'] as String?,
+);
+
+Map<String, dynamic> _$SaTokenInfoToJson(SaTokenInfo instance) =>
+    <String, dynamic>{
+      'tokenName': instance.tokenName,
+      'tokenValue': instance.tokenValue,
+      'isLogin': instance.isLogin,
+      'loginId': instance.loginId,
+      'loginType': instance.loginType,
+      'tokenTimeout': instance.tokenTimeout,
+      'sessionTimeout': instance.sessionTimeout,
+      'tokenSessionTimeout': instance.tokenSessionTimeout,
+      'tokenActiveTimeout': instance.tokenActiveTimeout,
+      'loginDeviceType': instance.loginDeviceType,
+      'tag': instance.tag,
+    };
+
+User _$UserFromJson(Map<String, dynamic> json) => User(
+  id: json['id'] as String?,
+  username: json['username'] as String?,
+  gender: (json['gender'] as num?)?.toInt(),
+  phoneNumber: json['phoneNumber'] as String?,
+  email: json['email'] as String?,
+  birthDate:
+      json['birthDate'] == null
+          ? null
+          : DateTime.parse(json['birthDate'] as String),
+  avatar: json['avatar'] as String?,
+  area: (json['area'] as List<dynamic>?)?.map((e) => e as String).toList(),
+  address: json['address'] as String?,
+  job: json['job'] as String?,
+  tags: (json['tags'] as List<dynamic>?)?.map((e) => e as String).toList(),
+  description: json['description'] as String?,
+);
+
+Map<String, dynamic> _$UserToJson(User instance) => <String, dynamic>{
+  'username': instance.username,
+  'gender': instance.gender,
+  'phoneNumber': instance.phoneNumber,
+  'email': instance.email,
+  'birthDate': instance.birthDate?.toIso8601String(),
+  'avatar': instance.avatar,
+  'area': instance.area,
+  'address': instance.address,
+  'job': instance.job,
+  'tags': instance.tags,
+  'description': instance.description,
+  'id': instance.id,
+};
+
+Session _$SessionFromJson(Map<String, dynamic> json) => Session(
+  saToken:
+      json['saToken'] == null
+          ? null
+          : SaTokenInfo.fromJson(json['saToken'] as Map<String, dynamic>),
+  userInfo:
+      json['userInfo'] == null
+          ? null
+          : User.fromJson(json['userInfo'] as Map<String, dynamic>),
+);
+
+Map<String, dynamic> _$SessionToJson(Session instance) => <String, dynamic>{
+  'saToken': instance.saToken,
+  'userInfo': instance.userInfo,
+};

lib/utils/HttpUtil.dart

@@ -0,0 +1,222 @@
+import 'package:dio/dio.dart';
+import 'package:food_hub_app/widgets/common/index.dart';
+import 'package:tdesign_flutter/tdesign_flutter.dart';
+
+class HttpUtil {
+  static final HttpUtil _instance = HttpUtil._internal();
+
+  factory HttpUtil() => _instance;
+
+  late Dio _dio;
+  String baseUrl = "http://172.29.101.108:8100/";
+
+  // 请求头配置
+  Map<String, dynamic> headers = {
+    'Content-Type': 'application/json;charset=UTF-8',
+    'Accept': 'application/json',
+  };
+
+  // 超时时间
+  final int timeout = 5;
+
+  HttpUtil._internal() {
+    // 初始化Dio实例
+    BaseOptions options = BaseOptions(
+      baseUrl: baseUrl,
+      connectTimeout: Duration(seconds: timeout),
+      receiveTimeout: Duration(seconds: timeout),
+      headers: headers,
+    );
+
+    _dio = Dio(options);
+
+    // 添加请求拦截器
+    _dio.interceptors.add(
+      InterceptorsWrapper(
+        onRequest: (options, handler) {
+          print("请求URL: ${options.uri}");
+          if (options.data != null) {
+            print("请求参数: ${options.data}");
+          }
+          // 可以在此添加token等操作
+          // options.headers['Authorization'] = 'Bearer your_token';
+          return handler.next(options);
+        },
+      ),
+    );
+
+    // 添加响应拦截器
+    _dio.interceptors.add(
+      InterceptorsWrapper(
+        onResponse: (response, handler) {
+          print("响应状态码: ${response.statusCode}");
+          print("响应数据: ${response.data}");
+          return handler.next(response);
+        },
+      ),
+    );
+
+    // 添加错误拦截器
+    _dio.interceptors.add(
+      InterceptorsWrapper(
+        onError: (DioException e, handler) {
+          if (e.response != null) {
+            final responseData = e.response?.data;
+
+            if (responseData is Map<String, dynamic>) {
+              // 服务器返回标准JSON错误格式
+              print(responseData['message']?.toString());
+              showErrorToast('错误');
+            } else {
+              // 非JSON格式错误
+              print('网络错误: ${e.message}');
+            }
+          }
+          return handler.next(e);
+        },
+      ),
+    );
+  }
+
+  // 基础请求方法（处理所有类型的请求）
+  Future<T?> _request<T>(
+    String path, {
+    required String method,
+    dynamic data,
+    Map<String, dynamic>? queryParameters,
+    T Function(dynamic data)? converter,
+  }) async {
+    try {
+      Response response = await _dio.request(
+        path,
+        data: data,
+        queryParameters: queryParameters,
+        options: Options(method: method),
+      );
+
+      // 处理响应数据
+      if (converter != null) {
+        return converter(response.data);
+      }
+
+      // 如果没有转换器且T是dynamic，直接返回原始数据
+      if (T == dynamic) {
+        return response.data as T;
+      }
+
+      // 没有转换器时尝试直接返回（可能不安全，建议提供转换器）
+      return response.data as T?;
+    } catch (e) {
+      _handleError(e);
+      rethrow;
+    }
+  }
+
+  // GET请求
+  Future<T?> get<T>(
+    String path, {
+    Map<String, dynamic>? queryParameters,
+    T Function(dynamic data)? converter,
+  }) => _request(
+    path,
+    method: "GET",
+    queryParameters: queryParameters,
+    converter: converter,
+  );
+
+  // POST请求
+  Future<T?> post<T>(
+    String path, {
+    dynamic data,
+    Map<String, dynamic>? queryParameters,
+    T Function(dynamic data)? converter,
+  }) => _request(
+    path,
+    method: "POST",
+    data: data,
+    queryParameters: queryParameters,
+    converter: converter,
+  );
+
+  // PUT请求
+  Future<T?> put<T>(
+    String path, {
+    dynamic data,
+    Map<String, dynamic>? queryParameters,
+    T Function(dynamic data)? converter,
+  }) => _request(
+    path,
+    method: "PUT",
+    data: data,
+    queryParameters: queryParameters,
+    converter: converter,
+  );
+
+  // DELETE请求
+  Future<T?> delete<T>(
+    String path, {
+    dynamic data,
+    Map<String, dynamic>? queryParameters,
+    T Function(dynamic data)? converter,
+  }) => _request(
+    path,
+    method: "DELETE",
+    data: data,
+    queryParameters: queryParameters,
+    converter: converter,
+  );
+
+  // 文件上传
+  Future<dynamic> upload(
+    String path,
+    String filePath, {
+    Map<String, dynamic>? queryParameters,
+  }) async {
+    try {
+      FormData formData = FormData.fromMap({
+        'file': await MultipartFile.fromFile(filePath),
+      });
+
+      Response response = await _dio.post(
+        path,
+        data: formData,
+        queryParameters: queryParameters,
+      );
+      return response.data;
+    } catch (e) {
+      _handleError(e);
+      rethrow;
+    }
+  }
+
+  // 错误处理
+  void _handleError(dynamic error) {
+    if (error is DioException) {
+      switch (error.type) {
+        case DioExceptionType.connectionTimeout:
+          print("连接超时");
+          break;
+        case DioExceptionType.sendTimeout:
+          print("发送超时");
+          break;
+        case DioExceptionType.receiveTimeout:
+          print("接收超时");
+          break;
+        case DioExceptionType.cancel:
+          print("请求取消");
+          break;
+        case DioExceptionType.badCertificate:
+          print("证书错误");
+        case DioExceptionType.badResponse:
+          print("错误响应");
+        case DioExceptionType.connectionError:
+          print("连接错误");
+        case DioExceptionType.unknown:
+          print("未知错误");
+          break;
+      }
+    } else {
+      print("未知错误: $error");
+    }
+  }
+}

lib/views/login.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_form_builder/flutter_form_builder.dart';
+import 'package:food_hub_app/api/session.dart';
 import 'package:food_hub_app/widgets/common/index.dart';
 import 'package:form_builder_validators/form_builder_validators.dart';
 import 'package:tdesign_flutter/tdesign_flutter.dart';
@@ -23,8 +24,10 @@ class _LoginPage extends State<LoginPage> {
     {"title": "wechat", "icon": Icons.wechat},
   ];
 
-  void loginClick(BuildContext context) {
-    Navigator.pushNamed(context, '/home');
+  void loginClick(BuildContext context) async {
+    await loginApi("Cxx", "1232");
+
+    // Navigator.pushNamed(context, '/home');
     return;
 
     // 表单校验通过才会继续执行

lib/views/stats.dart

@@ -1,5 +1,7 @@
-import 'package:fl_chart/fl_chart.dart';
 import 'package:flutter/material.dart';
+import 'package:graphic/graphic.dart';
+
+import 'data.dart';
 
 class StatsPage extends StatefulWidget {
   const StatsPage({super.key});
@@ -8,27 +10,91 @@ class StatsPage extends StatefulWidget {
   State<StatsPage> createState() => _StatsPage();
 }
 
-class _StatsPage extends State<StatsPage>{
+class _StatsPage extends State<StatsPage> {
+  var _smooth = false;
+  var _stepped = false;
+
   @override
   Widget build(BuildContext context) {
-    // 月度做菜次数数据
-    final List<FlSpot> spots = [
-      FlSpot(0, 13), FlSpot(1, 32), FlSpot(2, 121),
-      FlSpot(3, 31), FlSpot(4, 34), FlSpot(5, 45)
-    ];
-
-    // 月份标签
-    final List<String> months = [
-      '1月', '2月', '3月', '4月', '5月', '6月'
-    ];
-
-    return LineChart(
-      LineChartData(
-        lineBarsData: [
-          LineChartBarData(
-            spots: spots,
-          ),
-        ],
+    return SingleChildScrollView(
+      child: Center(
+        child: Column(
+          children: <Widget>[
+            Container(
+              margin: const EdgeInsets.only(top: 10),
+              width: 350,
+              height: 300,
+              child: Chart(
+                data: basicData,
+                variables: {
+                  'genre': Variable(
+                    accessor: (Map map) => map['genre'] as String,
+                  ),
+                  'sold': Variable(accessor: (Map map) => map['sold'] as num),
+                },
+                marks: [
+                  IntervalMark(
+                    label: LabelEncode(
+                      encoder: (tuple) => Label(tuple['sold'].toString()),
+                    ),
+                    elevation: ElevationEncode(
+                      value: 0,
+                      updaters: {
+                        'tap': {true: (_) => 5},
+                      },
+                    ),
+                    color: ColorEncode(
+                      value: Defaults.primaryColor,
+                      updaters: {
+                        'tap': {false: (color) => color.withAlpha(100)},
+                      },
+                    ),
+                  ),
+                ],
+                axes: [Defaults.horizontalAxis, Defaults.verticalAxis],
+                selections: {'tap': PointSelection(dim: Dim.x)},
+                tooltip: TooltipGuide(),
+                crosshair: CrosshairGuide(),
+              ),
+            ),
+            Container(
+              padding: const EdgeInsets.fromLTRB(20, 40, 20, 5),
+              child: const Text(
+                'Transposed Bar Chart',
+                style: TextStyle(fontSize: 20),
+              ),
+            ),
+            Container(
+              margin: const EdgeInsets.only(top: 10),
+              width: 350,
+              height: 300,
+              child: Chart(
+                data: basicData,
+                variables: {
+                  'genre': Variable(
+                    accessor: (Map map) => map['genre'] as String,
+                  ),
+                  'sold': Variable(accessor: (Map map) => map['sold'] as num),
+                },
+                transforms: [Proportion(variable: 'sold', as: 'percent')],
+                marks: [
+                  IntervalMark(
+                    position: Varset('percent') / Varset('genre'),
+                    label: LabelEncode(
+                      encoder: (tuple) => Label(tuple['sold'].toString()),
+                    ),
+                    color: ColorEncode(
+                      variable: 'genre',
+                      values: Defaults.colors10,
+                    ),
+                    modifiers: [StackModifier()],
+                  ),
+                ],
+                coord: PolarCoord(transposed: true, dimCount: 1, dimFill: 1.05),
+              ),
+            ),
+          ],
+        ),
       ),
     );
   }

lib/widgets/common/index.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:fluttertoast/fluttertoast.dart';
 // import 'package:fluttertoast/fluttertoast.dart';
 
 Widget formLabelText({required String labelText, bool isRequired = false}) {
@@ -61,14 +62,14 @@ Text buttonText({required String text}) {
 //   );
 // }
 //
-// void showErrorToast(String message) {
-//   Fluttertoast.showToast(
-//     msg: message,
-//     toastLength: Toast.LENGTH_SHORT,
-//     gravity: ToastGravity.CENTER,
-//     timeInSecForIosWeb: 1,
-//     backgroundColor: Colors.red,
-//     textColor: Colors.white,
-//     fontSize: 16.0,
-//   );
-// }
+void showErrorToast(String message) {
+  Fluttertoast.showToast(
+    msg: message,
+    toastLength: Toast.LENGTH_SHORT,
+    gravity: ToastGravity.CENTER,
+    timeInSecForIosWeb: 1,
+    backgroundColor: Colors.red,
+    textColor: Colors.white,
+    fontSize: 16.0,
+  );
+}