增加提示信息，增加对用户角色数据的处理

lib/bloc/login_main_cubit.dart

@@ -10,24 +10,23 @@ class LoginMainState extends Equatable {
   final bool agreed;
   final bool showAgreed;
   final bool loading;
+  final bool showSnackBar;
+  final String snackBarMsg;
 
   const LoginMainState({
     this.agreed = false,
     this.showAgreed = false,
     this.loading = false,
+    this.showSnackBar = false,
+    this.snackBarMsg = '',
   });
 
-  @override
-  List<Object?> get props => [
-        agreed,
-        showAgreed,
-        loading,
-      ];
-
   LoginMainState copyWith({
     bool? agreed,
     bool? showAgreed,
     bool? loading,
+    bool? showSnackBar,
+    String? snackBarMsg,
   }) {
     return LoginMainState(
       agreed: agreed ?? this.agreed,
@@ -35,6 +34,15 @@ class LoginMainState extends Equatable {
       loading: loading ?? this.loading,
     );
   }
+
+  @override
+  List<Object?> get props => [
+        agreed,
+        showAgreed,
+        loading,
+        showSnackBar,
+        snackBarMsg,
+      ];
 }
 
 class LoginMainCubit extends Cubit<LoginMainState> {
@@ -67,12 +75,14 @@ class LoginMainCubit extends Cubit<LoginMainState> {
       return;
     }
 
-    var result = await _fluwx.authBy(
+    var authResult = await _fluwx.authBy(
       which: NormalAuth(scope: 'snsapi_userinfo', state: 'wechat_sdk_test'),
     );
 
-    if (!result) {
-      throw Exception('微信授权处理失败');
+    if (!authResult) {
+      emit(state.copyWith(showSnackBar: true, snackBarMsg: '微信授权处理失败'));
+      emit(state.copyWith(showSnackBar: false));
+      return;
     }
 
     // 控制显示加载框
@@ -94,20 +104,39 @@ class LoginMainCubit extends Cubit<LoginMainState> {
         return;
       }
 
-      dynamic resultData = await _wechatAuthRepository.codeToSk(response.code!);
-      // 后续添加错误处理
-      if (resultData['resultCode'] != '001') {
+      var resultData = await _wechatAuthRepository.codeToSk(response.code!) as Map<String, dynamic>?;
+
+      // 请求接口异常
+      if (resultData == null) {
+        emit(state.copyWith(loading: false, showSnackBar: true, snackBarMsg: '登录请求处理失败'));
+        emit(state.copyWith(showSnackBar: false));
         return;
       }
 
-      var data = resultData['data'];
-      var role = data['roles'][0];
+      // 状态码错误
+      if (resultData['resultCode'] != '001') {
+        emit(state.copyWith(loading: false, showSnackBar: true, snackBarMsg: '登录请求状态失败'));
+        emit(state.copyWith(showSnackBar: false));
+        return;
+      }
 
-      final sessionCode = data['sessionCode'];
-      final userCode = data['userCode'];
-      var classCode = role['classCode'];
-      var userType = role['userType'];
-      var stuId = role['stuId'];
+      var data = resultData['data'] as Map<String, dynamic>;
+      var roles = data['roles'];
+      // 过滤出家长角色的数据
+      roles.removeWhere((element) => element['userType'] != 2);
+
+      var sessionCode = data['sessionCode'];
+      var userCode = data['userCode'];
+      var classCode = '';
+      var userType = 0;
+      var stuId = '';
+
+      if (roles.isNotEmpty) {
+        var role = roles[0];
+        classCode = role['classCode'];
+        userType = role['userType'];
+        stuId = role['stuId'];
+      }
 
       var sharedPreferences = getIt.get<SharedPreferences>();
       var preUserCode = sharedPreferences.getString('pre_userCode') ?? '';
@@ -116,19 +145,34 @@ class LoginMainCubit extends Cubit<LoginMainState> {
         sharedPreferences.setString('pre_userCode', userCode);
         sharedPreferences.setString('pre_classCode', classCode);
         sharedPreferences.setInt('pre_userType', userType);
-        sharedPreferences.setString('pre_stuId', stuId ?? '');
+        sharedPreferences.setString('pre_stuId', stuId);
       } else {
         // 前一个登录用户重新登录
-        classCode = sharedPreferences.getString('pre_classCode');
-        userType = sharedPreferences.getInt('pre_userType');
-        stuId = sharedPreferences.getString('pre_stuId');
+        var preClassCode = sharedPreferences.getString('pre_classCode') ?? '';
+        var preUserType = sharedPreferences.getInt('pre_userType') ?? 0;
+        var preStuId = sharedPreferences.getString('pre_stuId') ?? '';
+
+        if (preClassCode != '' &&
+            roles.any((element) =>
+                element['classCode'] == preClassCode &&
+                element['userType'] == preUserType &&
+                element['stuId'] == preStuId)) {
+          classCode = preClassCode;
+          userType = preUserType;
+          stuId = preStuId;
+        } else {
+          sharedPreferences.setString('pre_userCode', userCode);
+          sharedPreferences.setString('pre_classCode', classCode);
+          sharedPreferences.setInt('pre_userType', userType);
+          sharedPreferences.setString('pre_stuId', stuId);
+        }
       }
 
       sharedPreferences.setString('auth_sessionCode', sessionCode);
       sharedPreferences.setString('auth_userCode', userCode);
       sharedPreferences.setString('auth_classCode', classCode);
       sharedPreferences.setInt('auth_userType', userType);
-      sharedPreferences.setString('auth_stuId', stuId ?? '');
+      sharedPreferences.setString('auth_stuId', stuId);
 
       router.go(
         '/web',

lib/bloc/login_phone_cubit.dart

@@ -140,21 +140,35 @@ class LoginPhoneCubit extends Cubit<LoginPhoneState> {
       return;
     }
 
-    var result = await _phoneAuthRepository.login(phone, verifyCode);
-    if (result['code'] != 0) {
-      emit(state.copyWith(showSnackBar: true, snackBarMsg: result['error']));
+    var resultData = await _phoneAuthRepository.login(phone, verifyCode);
+    if (resultData == null) {
+      emit(state.copyWith(showSnackBar: true, snackBarMsg: '登录请求失败'));
+      emit(state.copyWith(showSnackBar: false));
+      return;
+    }
+    if (resultData['code'] != 0) {
+      emit(state.copyWith(showSnackBar: true, snackBarMsg: resultData['error']));
       emit(state.copyWith(showSnackBar: false));
       return;
     }
 
-    var data = result['data'];
-    var role = data['roles'][0];
-
-    final sessionCode = data['sessionCode'];
-    final userCode = data['userCode'];
-    var classCode = role['classCode'];
-    var userType = role['userType'];
-    var stuId = role['stuId'];
+    var data = resultData['data'] as Map<String, dynamic>;
+    var roles = data['roles'];
+    // 过滤出家长角色的数据
+    roles.removeWhere((element) => element['userType'] != 2);
+
+    var sessionCode = data['sessionCode'];
+    var userCode = data['userCode'];
+    var classCode = '';
+    var userType = 0;
+    var stuId = '';
+
+    if (roles.isNotEmpty) {
+      var role = roles[0];
+      classCode = role['classCode'];
+      userType = role['userType'];
+      stuId = role['stuId'];
+    }
 
     var sharedPreferences = getIt.get<SharedPreferences>();
     var preUserCode = sharedPreferences.getString('pre_userCode') ?? '';
@@ -163,19 +177,34 @@ class LoginPhoneCubit extends Cubit<LoginPhoneState> {
       sharedPreferences.setString('pre_userCode', userCode);
       sharedPreferences.setString('pre_classCode', classCode);
       sharedPreferences.setInt('pre_userType', userType);
-      sharedPreferences.setString('pre_stuId', stuId ?? '');
+      sharedPreferences.setString('pre_stuId', stuId);
     } else {
       // 前一个登录用户重新登录
-      classCode = sharedPreferences.getString('pre_classCode');
-      userType = sharedPreferences.getInt('pre_userType');
-      stuId = sharedPreferences.getString('pre_stuId');
+      var preClassCode = sharedPreferences.getString('pre_classCode') ?? '';
+      var preUserType = sharedPreferences.getInt('pre_userType') ?? 0;
+      var preStuId = sharedPreferences.getString('pre_stuId') ?? '';
+
+      if (preClassCode != '' &&
+          roles.any((element) =>
+          element['classCode'] == preClassCode &&
+              element['userType'] == preUserType &&
+              element['stuId'] == preStuId)) {
+        classCode = preClassCode;
+        userType = preUserType;
+        stuId = preStuId;
+      } else {
+        sharedPreferences.setString('pre_userCode', userCode);
+        sharedPreferences.setString('pre_classCode', classCode);
+        sharedPreferences.setInt('pre_userType', userType);
+        sharedPreferences.setString('pre_stuId', stuId);
+      }
     }
 
     sharedPreferences.setString('auth_sessionCode', sessionCode);
     sharedPreferences.setString('auth_userCode', userCode);
     sharedPreferences.setString('auth_classCode', classCode);
     sharedPreferences.setInt('auth_userType', userType);
-    sharedPreferences.setString('auth_stuId', stuId ?? '');
+    sharedPreferences.setString('auth_stuId', stuId);
 
     router.go(
       '/web',
@@ -215,13 +244,13 @@ class LoginPhoneCubit extends Cubit<LoginPhoneState> {
     try {
       _phoneController.dispose();
     } catch (e) {
-      print(e);
+      debugPrint('Error disposing controller: $e');
     }
 
     try {
       _codeController.dispose();
     } catch (e) {
-      print(e);
+      debugPrint('Error disposing controller: $e');
     }
 
     await super.close();

lib/bloc/login_qr_cubit.dart

@@ -15,31 +15,41 @@ class LoginQrState extends Equatable {
   final int status;
   final Uint8List? image;
   final String tip;
+  final bool showSnackBar;
+  final String snackBarMsg;
 
   const LoginQrState({
     this.status = 0,
     this.image,
     this.tip = '',
+    this.showSnackBar = false,
+    this.snackBarMsg = '',
   });
 
-  @override
-  List<Object?> get props => [
-        status,
-        image,
-        tip,
-      ];
-
   LoginQrState copyWith({
     int? status,
     Uint8List? image,
     String? tip,
+    bool? showSnackBar,
+    String? snackBarMsg,
   }) {
     return LoginQrState(
       status: status ?? this.status,
       image: image ?? this.image,
       tip: tip ?? this.tip,
+      showSnackBar: showSnackBar ?? this.showSnackBar,
+      snackBarMsg: snackBarMsg ?? this.snackBarMsg,
     );
   }
+
+  @override
+  List<Object?> get props => [
+        status,
+        image,
+        tip,
+        showSnackBar,
+        snackBarMsg,
+      ];
 }
 
 class LoginQrCubit extends Cubit<LoginQrState> {
@@ -57,13 +67,22 @@ class LoginQrCubit extends Cubit<LoginQrState> {
 
   Future<void> init() async {
     // sdk_ticket
-    var result = await _wechatAuthRepository.getTicket();
-    // 后续添加错误处理
-    if (result['resultCode'] != '001') {
+    var resultData = await _wechatAuthRepository.getTicket() as Map<String, dynamic>?;
+    // 请求接口异常
+    if (resultData == null) {
+      emit(state.copyWith(showSnackBar: true, snackBarMsg: '生成二维码失败'));
+      emit(state.copyWith(showSnackBar: false));
       return;
     }
 
-    var sdkTicket = result['data'];
+    // 状态码错误
+    if (resultData['resultCode'] != '001') {
+      emit(state.copyWith(showSnackBar: true, snackBarMsg: '生成二维码状态错误'));
+      emit(state.copyWith(showSnackBar: false));
+      return;
+    }
+
+    var sdkTicket = resultData['data'];
 
     // 当前时间戳
     var timestamp = DateTime.now().millisecondsSinceEpoch;
@@ -78,7 +97,12 @@ class LoginQrCubit extends Cubit<LoginQrState> {
         signature: signature,
       ),
     );
-    print('AuthResult $authResult');
+
+    if (!authResult) {
+      emit(state.copyWith(showSnackBar: true, snackBarMsg: '请求微信失败'));
+      emit(state.copyWith(showSnackBar: false));
+      return;
+    }
   }
 
   void _responseListener(WeChatResponse response) async {
@@ -122,20 +146,39 @@ class LoginQrCubit extends Cubit<LoginQrState> {
   }
 
   Future<void> _doLogin(String code) async {
-    dynamic resultData = await _wechatAuthRepository.codeToSk(code);
-    // 后续添加错误处理
-    if (resultData['resultCode'] != '001') {
+    var resultData = await _wechatAuthRepository.codeToSk(code) as Map<String, dynamic>?;
+
+    // 请求接口异常
+    if (resultData == null) {
+      emit(state.copyWith(showSnackBar: true, snackBarMsg: '登录请求处理失败'));
+      emit(state.copyWith(showSnackBar: false));
       return;
     }
 
-    var data = resultData['data'];
-    var role = data['roles'][0];
+    // 状态码错误
+    if (resultData['resultCode'] != '001') {
+      emit(state.copyWith(showSnackBar: true, snackBarMsg: '登录请求状态失败'));
+      emit(state.copyWith(showSnackBar: false));
+      return;
+    }
 
-    final sessionCode = data['sessionCode'];
-    final userCode = data['userCode'];
-    var classCode = role['classCode'];
-    var userType = role['userType'];
-    var stuId = role['stuId'];
+    var data = resultData['data'] as Map<String, dynamic>;
+    var roles = data['roles'];
+    // 过滤出家长角色的数据
+    roles.removeWhere((element) => element['userType'] != 2);
+
+    var sessionCode = data['sessionCode'];
+    var userCode = data['userCode'];
+    var classCode = '';
+    var userType = 0;
+    var stuId = '';
+
+    if (roles.isNotEmpty) {
+      var role = roles[0];
+      classCode = role['classCode'];
+      userType = role['userType'];
+      stuId = role['stuId'];
+    }
 
     var sharedPreferences = getIt.get<SharedPreferences>();
     var preUserCode = sharedPreferences.getString('pre_userCode') ?? '';
@@ -144,19 +187,34 @@ class LoginQrCubit extends Cubit<LoginQrState> {
       sharedPreferences.setString('pre_userCode', userCode);
       sharedPreferences.setString('pre_classCode', classCode);
       sharedPreferences.setInt('pre_userType', userType);
-      sharedPreferences.setString('pre_stuId', stuId ?? '');
+      sharedPreferences.setString('pre_stuId', stuId);
     } else {
       // 前一个登录用户重新登录
-      classCode = sharedPreferences.getString('pre_classCode');
-      userType = sharedPreferences.getInt('pre_userType');
-      stuId = sharedPreferences.getString('pre_stuId');
+      var preClassCode = sharedPreferences.getString('pre_classCode') ?? '';
+      var preUserType = sharedPreferences.getInt('pre_userType') ?? 0;
+      var preStuId = sharedPreferences.getString('pre_stuId') ?? '';
+
+      if (preClassCode != '' &&
+          roles.any((element) =>
+              element['classCode'] == preClassCode &&
+              element['userType'] == preUserType &&
+              element['stuId'] == preStuId)) {
+        classCode = preClassCode;
+        userType = preUserType;
+        stuId = preStuId;
+      } else {
+        sharedPreferences.setString('pre_userCode', userCode);
+        sharedPreferences.setString('pre_classCode', classCode);
+        sharedPreferences.setInt('pre_userType', userType);
+        sharedPreferences.setString('pre_stuId', stuId);
+      }
     }
 
     sharedPreferences.setString('auth_sessionCode', sessionCode);
     sharedPreferences.setString('auth_userCode', userCode);
     sharedPreferences.setString('auth_classCode', classCode);
     sharedPreferences.setInt('auth_userType', userType);
-    sharedPreferences.setString('auth_stuId', stuId ?? '');
+    sharedPreferences.setString('auth_stuId', stuId);
 
     router.go(
       '/web',

lib/data/repositories/phone_auth_repository.dart

@@ -84,6 +84,6 @@ class PhoneAuthRepository {
         "verifyCode": verifyCode,
       },
     );
-    return resp.data;
+    return resp.statusCode == 200 ? resp.data : null;
   }
 }

lib/data/repositories/wechat_auth_repository.dart

 import 'package:appframe/config/locator.dart';
 import 'package:appframe/services/api_service.dart';
 import 'package:dio/dio.dart';
+import 'package:flutter/foundation.dart';
 
 class WechatAuthRepository {
   late final ApiService _apiService;
@@ -18,9 +19,9 @@ class WechatAuthRepository {
       },
     );
 
-    print('登录结果: $resp');
+    debugPrint('登录结果: $resp');
 
-    return resp.data;
+    return resp.statusCode == 200 ? resp.data : null;
   }
 
   Future<dynamic> getTicket() async {
@@ -32,8 +33,8 @@ class WechatAuthRepository {
       },
     );
 
-    print('获取ticket: $resp');
+    debugPrint('获取ticket: $resp');
 
-    return resp.data;
+    return resp.statusCode == 200 ? resp.data : null;
   }
 }

lib/ui/pages/login_main_page.dart

 import 'package:appframe/bloc/login_main_cubit.dart';
 import 'package:appframe/config/locator.dart';
 import 'package:appframe/ui/widgets/login/login_page_agreed_widget.dart';
+import 'package:appframe/ui/widgets/tip_overlay_widget.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:fluwx/fluwx.dart';
@@ -47,6 +48,7 @@ class LoginMainPage extends StatelessWidget {
                                 if (await getIt.get<Fluwx>().isWeChatInstalled) {
                                   loginMainCubit.wechatAuth();
                                 } else {
+                                  if (!context.mounted) return;
                                   _showWechatNotInstallDialog(context);
                                 }
                               },
@@ -130,6 +132,8 @@ class LoginMainPage extends StatelessWidget {
         listener: (context, state) {
           if (state.showAgreed) {
             _showAgreementDialog(context, context.read<LoginMainCubit>());
+          } else if (state.showSnackBar) {
+            TipOverlayUtil.showTip(context, state.snackBarMsg);
           }
         },
       ),

lib/ui/pages/login_phone_page.dart

 import 'package:appframe/bloc/login_phone_cubit.dart';
 import 'package:appframe/ui/widgets/login/login_page_agreed_widget.dart';
+import 'package:appframe/ui/widgets/tip_overlay_widget.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
@@ -79,7 +80,7 @@ class LoginPhonePage extends StatelessWidget {
           if (state.showAgreed) {
             _showAgreementDialog(context, context.read<LoginPhoneCubit>());
           } else if (state.showSnackBar) {
-            _showTip(context, state.snackBarMsg);
+            TipOverlayUtil.showTip(context, state.snackBarMsg);
           }
         },
       ),
@@ -381,34 +382,4 @@ class LoginPhonePage extends StatelessWidget {
       loginPhoneCubit.cancelAgreed();
     }
   }
-
-  void _showTip(BuildContext context, String tip) {
-    OverlayEntry overlayEntry = OverlayEntry(
-      builder: (context) => Positioned(
-        top: 200,
-        left: 20,
-        right: 20,
-        child: Material(
-          color: Colors.transparent,
-          child: Container(
-            padding: EdgeInsets.all(16),
-            decoration: BoxDecoration(
-              color: Colors.black54,
-              borderRadius: BorderRadius.circular(8),
-            ),
-            child: Text(
-              tip,
-              style: TextStyle(color: Colors.white),
-              textAlign: TextAlign.center,
-            ),
-          ),
-        ),
-      ),
-    );
-
-    Overlay.of(context).insert(overlayEntry);
-    Future.delayed(Duration(seconds: 2), () {
-      overlayEntry.remove();
-    });
-  }
 }

lib/ui/pages/login_qr_page.dart

 import 'package:appframe/bloc/login_qr_cubit.dart';
+import 'package:appframe/ui/widgets/tip_overlay_widget.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 
@@ -60,7 +61,11 @@ class LoginQrPage extends StatelessWidget {
               ),
             );
           },
-          listener: (context, state) {},
+          listener: (context, state) {
+            if (state.showSnackBar) {
+              TipOverlayUtil.showTip(context, state.snackBarMsg);
+            }
+          },
         ));
   }
 

lib/ui/widgets/tip_overlay_widget.dart

+import 'package:flutter/material.dart';
+
+class TipOverlayUtil {
+  static void showTip(BuildContext context, String tip) {
+    OverlayEntry overlayEntry = OverlayEntry(
+      builder: (context) => Positioned(
+        top: 200,
+        left: 20,
+        right: 20,
+        child: Material(
+          color: Colors.transparent,
+          child: Container(
+            padding: EdgeInsets.all(16),
+            decoration: BoxDecoration(
+              color: Colors.black54,
+              borderRadius: BorderRadius.circular(8),
+            ),
+            child: Text(
+              tip,
+              style: TextStyle(color: Colors.white),
+              textAlign: TextAlign.center,
+            ),
+          ),
+        ),
+      ),
+    );
+
+    Overlay.of(context).insert(overlayEntry);
+    Future.delayed(Duration(seconds: 2), () {
+      overlayEntry.remove();
+    });
+  }
+}