fix：登录和toast

lib/features/auth/login_page.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
@@ -17,34 +19,85 @@ import '../../widgets/page_header.dart';
 import '../../widgets/states.dart';
 
 class LoginPage extends HookConsumerWidget {
-  const LoginPage({super.key});
+  const LoginPage({super.key, this.next});
+
+  final String? next;
+
+  String _backTargetFromNext() {
+    final rawNext = next;
+    if (rawNext == null || rawNext.isEmpty) return AppRoutes.profile;
+    final decoded = Uri.decodeComponent(rawNext);
+    final uri = Uri.tryParse(decoded);
+    if (uri == null) return AppRoutes.profile;
+    if (!uri.path.startsWith('/')) return AppRoutes.profile;
+    return decoded;
+  }
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final phoneController = useTextEditingController();
     final codeController = useTextEditingController();
+    final codeFocusNode = useFocusNode();
+    final codeSent = useState(false);
+    final sendingCode = useState(false);
+    final verifying = useState(false);
+    final countdown = useState(0);
+    final error = useState<String?>(null);
     final agreed = useState(false);
-    final loading = useState(false);
+    final timerRef = useRef<Timer?>(null);
-    final theme = ShadTheme.of(context);
     final auth = ref.watch(authControllerProvider);
+    final theme = ShadTheme.of(context);
 
-    Future<void> submit() async {
+    useEffect(() {
+      return () {
+        timerRef.value?.cancel();
+      };
+    }, const []);
+
+    Future<void> sendCode() async {
       final phone = phoneController.text.trim();
-      final code = codeController.text.trim();
+      if (phone.length != 11) {
-      if (phone.length < 8) {
+        error.value = '请输入正确的手机号';
-        showAppToast(context, '请输入手机号');
         return;
       }
-      if (code.length < 4) {
+      sendingCode.value = true;
-        showAppToast(context, '请输入验证码');
+      error.value = null;
+      try {
+        codeSent.value = true;
+        countdown.value = 60;
+        timerRef.value?.cancel();
+        timerRef.value = Timer.periodic(const Duration(seconds: 1), (timer) {
+          if (countdown.value <= 1) {
+            timer.cancel();
+            countdown.value = 0;
+          } else {
+            countdown.value = countdown.value - 1;
+          }
+        });
+        codeFocusNode.requestFocus();
+      } finally {
+        sendingCode.value = false;
+      }
+    }
+
+    Future<void> verify() async {
+      final phone = phoneController.text.trim();
+      final code = codeController.text.trim();
+      if (phone.length != 11) {
+        error.value = '请输入正确的手机号';
+        return;
+      }
+      if (code.length != 6) {
+        error.value = '请输入 6 位验证码';
         return;
       }
       if (!agreed.value) {
-        showAppToast(context, '请先同意用户协议和隐私政策');
+        error.value = '请先同意用户协议和隐私政策';
         return;
       }
 
-      loading.value = true;
+      verifying.value = true;
+      error.value = null;
       try {
         await ref
             .read(authControllerProvider.notifier)
@@ -52,22 +105,151 @@ class LoginPage extends HookConsumerWidget {
         await ref.read(profileControllerProvider.notifier).refresh();
         if (!context.mounted) return;
         showAppToast(context, '已登录 ${maskPhone(phone)}');
-        if (context.canPop()) {
+        final nextPath = next?.trim();
+        if (nextPath != null && nextPath.isNotEmpty) {
+          context.go(Uri.decodeComponent(nextPath));
+        } else if (context.canPop()) {
           context.pop();
         } else {
           context.go(AppRoutes.profile);
         }
       } finally {
-        loading.value = false;
+        verifying.value = false;
       }
     }
 
-    return Scaffold(
+    Future<void> submitLogin() async {
+      final phone = phoneController.text.trim();
+      final code = codeController.text.trim();
+      if (phone.length != 11) {
+        error.value = '请输入正确的手机号';
+        return;
+      }
+      if (code.length != 6) {
+        error.value = '请输入 6 位验证码';
+        return;
+      }
+      await verify();
+    }
+
+    void showPrivacyCheckDialog(VoidCallback onAgreed) {
+      showModalBottomSheet<void>(
+        context: context,
+        enableDrag: false,
+        barrierColor: Colors.black.withValues(alpha: 0.75),
+        builder: (innerContext) => SafeArea(
+          child: SingleChildScrollView(
+            child: Padding(
+              padding: const EdgeInsets.fromLTRB(22, 28, 22, 24),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Center(
+                    child: Text(
+                      '请阅读并同意以下条款',
+                      style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                        fontWeight: FontWeight.w500,
+                      ),
+                    ),
+                  ),
+                  const SizedBox(height: 14),
+                  Center(
+                    child: Text.rich(
+                      textAlign: TextAlign.center,
+                      TextSpan(
+                        style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                          color: theme.colorScheme.mutedForeground,
+                          height: 1.7,
+                          fontSize: 12,
+                        ),
+                        children: [
+                          const TextSpan(text: '登录前需要先阅读并同意 '),
+                          TextSpan(
+                            text: '《用户协议》',
+                            style: Theme.of(context).textTheme.bodySmall
+                                ?.copyWith(
+                                  color: theme.colorScheme.primary,
+                                  fontSize: 12,
+                                  decoration: TextDecoration.underline,
+                                  decorationColor: theme.colorScheme.primary,
+                                ),
+                          ),
+                          const TextSpan(text: ' 和 '),
+                          TextSpan(
+                            text: '《隐私政策》',
+                            style: Theme.of(context).textTheme.bodySmall
+                                ?.copyWith(
+                                  color: theme.colorScheme.primary,
+                                  fontSize: 12,
+                                  decoration: TextDecoration.underline,
+                                  decorationColor: theme.colorScheme.primary,
+                                ),
+                          ),
+                        ],
+                      ),
+                    ),
+                  ),
+                  const SizedBox(height: 24),
+                  SizedBox(
+                    width: double.infinity,
+                    child: AppButton(
+                      label: '同意并发送验证码',
+                      expand: true,
+                      onPressed: () {
+                        Navigator.of(innerContext).pop();
+                        agreed.value = true;
+                        onAgreed();
+                      },
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+      );
+    }
+
+    Future<void> onSendCodeTap() async {
+      if (sendingCode.value || countdown.value > 0) return;
+      if (!agreed.value) {
+        showPrivacyCheckDialog(() {
+          unawaited(sendCode());
+        });
+        return;
+      }
+      unawaited(sendCode());
+    }
+
+    final clickable = !sendingCode.value && !verifying.value;
+
+    return PopScope(
+      canPop: (next ?? '').isEmpty,
+      onPopInvokedWithResult: (didPop, _) {
+        if (didPop) return;
+        if (!context.mounted) return;
+        final nextPath = next;
+        if (nextPath != null && nextPath.isNotEmpty) {
+          context.go(_backTargetFromNext());
+          return;
+        }
+        if (context.canPop()) {
+          context.pop();
+          return;
+        }
+        context.go(AppRoutes.profile);
+      },
+      child: Scaffold(
         backgroundColor: theme.colorScheme.background,
         appBar: AppBar(
           leading: IconButton(
             icon: const Icon(AppIcons.arrowLeft),
             onPressed: () {
+              final nextPath = next;
+              if (nextPath != null && nextPath.isNotEmpty) {
+                context.go(_backTargetFromNext());
+                return;
+              }
               if (context.canPop()) {
                 context.pop();
               } else {
@@ -123,31 +305,87 @@ class LoginPage extends HookConsumerWidget {
                   const SizedBox(height: 12),
                   ShadInput(
                     controller: codeController,
+                    focusNode: codeFocusNode,
                     placeholder: const Text('验证码'),
                     keyboardType: TextInputType.number,
                     inputFormatters: [FilteringTextInputFormatter.digitsOnly],
                     trailing: Padding(
                       padding: const EdgeInsets.only(right: 4),
                       child: AppButton(
-                      label: '发送验证码',
+                        label: countdown.value > 0
+                            ? '${countdown.value}s'
+                            : '发送验证码',
                         kind: AppButtonKind.ghost,
                         compact: true,
-                      onPressed: () => showAppToast(context, '验证码功能待接入'),
+                        onPressed: onSendCodeTap,
                       ),
                     ),
                   ),
                   const SizedBox(height: 14),
-                ShadCheckbox(
+                  Row(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Padding(
+                        padding: const EdgeInsets.only(top: 2),
+                        child: ShadCheckbox(
                           value: agreed.value,
                           onChanged: (value) => agreed.value = value,
-                  label: const Text('我已阅读并同意'),
-                  sublabel: const Text('《用户协议》和《隐私政策》'),
                         ),
+                      ),
+                      const SizedBox(width: 10),
+                      Expanded(
+                        child: Text.rich(
+                          TextSpan(
+                            style: YantingText.meta.copyWith(
+                              color: theme.colorScheme.mutedForeground,
+                              height: 1.7,
+                            ),
+                            children: [
+                              const TextSpan(text: '已阅读并同意 '),
+                              TextSpan(
+                                text: '《用户协议》',
+                                style: YantingText.meta.copyWith(
+                                  color: theme.colorScheme.primary,
+                                ),
+                              ),
+                              const TextSpan(text: ' 和 '),
+                              TextSpan(
+                                text: '《隐私政策》',
+                                style: YantingText.meta.copyWith(
+                                  color: theme.colorScheme.primary,
+                                ),
+                              ),
+                            ],
+                          ),
+                        ),
+                      ),
+                    ],
+                  ),
+                  if (error.value != null) ...[
+                    const SizedBox(height: 10),
+                    Text(
+                      error.value!,
+                      style: YantingText.meta.copyWith(
+                        color: theme.colorScheme.destructive,
+                      ),
+                    ),
+                  ],
                   const SizedBox(height: 18),
                   AppButton(
-                  label: loading.value ? '登录中...' : '登录',
+                    label: verifying.value ? '登录中...' : '登录',
                     expand: true,
-                  onPressed: loading.value ? null : submit,
+                    onPressed: clickable
+                        ? () {
+                            if (!agreed.value) {
+                              showPrivacyCheckDialog(() {
+                                unawaited(submitLogin());
+                              });
+                              return;
+                            }
+                            unawaited(submitLogin());
+                          }
+                        : null,
+                    kind: AppButtonKind.primary,
                   ),
                 ],
               ),
@@ -156,7 +394,9 @@ class LoginPage extends HookConsumerWidget {
             AppCard(
               color: theme.colorScheme.secondary,
               child: Text(
-              '当前版本先做本地登录态和页面流转，后端接口接入后再替换为真实校验。',
+                codeSent.value
+                    ? '验证码逻辑已接通，当前先用本地登录态串起页面流转。'
+                    : '当前版本先做本地登录态和页面流转，后端接口接入后再替换为真实校验。',
                 style: YantingText.meta.copyWith(
                   color: theme.colorScheme.mutedForeground,
                 ),
@@ -164,6 +404,7 @@ class LoginPage extends HookConsumerWidget {
             ),
           ],
         ),
+      ),
     );
   }
 }

lib/features/profile/profile_page.dart

@@ -103,7 +103,9 @@ class ProfilePage extends ConsumerWidget {
           AppButton(
             label: '登录 / 注册',
             expand: true,
-            onPressed: () => context.push(AppRoutes.login),
+            onPressed: () => context.push(
+              '${AppRoutes.login}?next=${Uri.encodeComponent(AppRoutes.profile)}',
+            ),
           ),
         ],
         const SizedBox(height: 18),

lib/routing/app_router.dart

@@ -151,8 +151,13 @@ final routerProvider = Provider<GoRouter>((ref) {
       ),
       GoRoute(
         path: AppRoutes.login,
-        pageBuilder: (context, state) =>
+        pageBuilder: (context, state) {
-            _slidePage(state: state, child: const LoginPage()),
+          final next = state.uri.queryParameters['next'];
+          return _slidePage(
+            state: state,
+            child: LoginPage(next: next),
+          );
+        },
       ),
       GoRoute(
         path: AppRoutes.institutionDetail,

lib/widgets/states.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:fluttertoast/fluttertoast.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
 
 import '../theme/yanting_tokens.dart';
@@ -176,6 +177,16 @@ class ErrorState extends StatelessWidget {
   }
 }
 
-void showAppToast(BuildContext context, String message) {
+Future<bool?> showAppToast(BuildContext context, String message) {
-  ShadToaster.of(context).show(ShadToast(title: Text(message)));
+  // ShadToaster.of(context).show(ShadToast(title: Text(message)));
+
+  return Fluttertoast.showToast(
+    msg: message,
+    toastLength: Toast.LENGTH_SHORT,
+    gravity: ToastGravity.BOTTOM,
+    timeInSecForIosWeb: 1,
+    backgroundColor: const Color(0xCC111111),
+    textColor: Colors.white,
+    fontSize: 16,
+  );
 }

pubspec.lock

@@ -181,6 +181,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  fluttertoast:
+    dependency: "direct main"
+    description:
+      name: fluttertoast
+      sha256: "144ddd74d49c865eba47abe31cbc746c7b311c82d6c32e571fd73c4264b740e2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.0.0"
   go_router:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -44,6 +44,7 @@ dependencies:
   remixicon: ^4.9.3
   shared_preferences: ^2.3.3
   shadcn_ui: ^0.53.6
+  fluttertoast: ^9.0.0
 
 dev_dependencies:
   flutter_test: