openLink打开URL，不传递title参数时，读取所打开页面的title

lib/bloc/link_cubit.dart

@@ -2,22 +2,37 @@ import 'package:appframe/config/routes.dart';
 import 'package:equatable/equatable.dart';
 import 'package:equatable/equatable.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:go_router/go_router.dart';
 import 'package:webview_flutter/webview_flutter.dart';
 import 'package:webview_flutter/webview_flutter.dart';
 
 
 class LinkState extends Equatable {
 class LinkState extends Equatable {
   final bool loaded;
   final bool loaded;
   final String url;
   final String url;
+  final String title;
 
 
-  const LinkState({this.loaded = false, this.url = ''});
+  const LinkState({
+    this.loaded = false,
+    this.url = '',
+    this.title = '',
+  });
 
 
-  LinkState copyWith({bool? loaded, String? url}) {
-    return LinkState(loaded: loaded ?? this.loaded, url: url ?? this.url);
+  LinkState copyWith({
+    bool? loaded,
+    String? url,
+    String? title,
+  }) {
+    return LinkState(
+      loaded: loaded ?? this.loaded,
+      url: url ?? this.url,
+      title: title ?? this.title,
+    );
   }
   }
 
 
   @override
   @override
-  // TODO: implement props
-  List<Object?> get props => [loaded, url];
+  List<Object?> get props => [
+        loaded,
+        url,
+        title,
+      ];
 }
 }
 
 
 class LinkCubit extends Cubit<LinkState> {
 class LinkCubit extends Cubit<LinkState> {
@@ -32,16 +47,24 @@ class LinkCubit extends Cubit<LinkState> {
         NavigationDelegate(
         NavigationDelegate(
           onUrlChange: (UrlChange url) {},
           onUrlChange: (UrlChange url) {},
           onPageStarted: (String url) {},
           onPageStarted: (String url) {},
-          onPageFinished: (String url) {
+          onPageFinished: (String url) async {
             _controller.runJavaScript(
             _controller.runJavaScript(
               'document.querySelector("meta[name=viewport]").setAttribute("content", "width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no")',
               'document.querySelector("meta[name=viewport]").setAttribute("content", "width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no")',
             );
             );
+
+            // 如果 state.title 为空，则读取网页的 title
+            if (state.title.isEmpty) {
+              final pageTitle = await _controller.runJavaScriptReturningResult('document.title') as String?;
+              // 移除可能存在的引号
+              final cleanTitle = pageTitle?.replaceAll('"', '');
+              emit(state.copyWith(title: cleanTitle ?? ''));
+            }
+
             _finishLoading();
             _finishLoading();
           },
           },
         ),
         ),
       )
       )
       ..loadRequest(Uri.parse(state.url));
       ..loadRequest(Uri.parse(state.url));
-
   }
   }
 
 
   void _finishLoading() {
   void _finishLoading() {

lib/ui/pages/link_page.dart

 import 'package:appframe/bloc/link_cubit.dart';
 import 'package:appframe/bloc/link_cubit.dart';
-import 'package:flutter/foundation.dart';
-import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:go_router/go_router.dart';
 import 'package:go_router/go_router.dart';
@@ -16,7 +14,7 @@ class LinkPage extends StatelessWidget {
     final String? title = extraData?['title'];
     final String? title = extraData?['title'];
 
 
     return BlocProvider(
     return BlocProvider(
-      create: (context) => LinkCubit(LinkState(loaded: false, url: url!)),
+      create: (context) => LinkCubit(LinkState(loaded: false, url: url!, title: title ?? '')),
       child: BlocConsumer<LinkCubit, LinkState>(
       child: BlocConsumer<LinkCubit, LinkState>(
         builder: (ctx, state) {
         builder: (ctx, state) {
           return PopScope(
           return PopScope(
@@ -26,7 +24,7 @@ class LinkPage extends StatelessWidget {
             },
             },
             child: Scaffold(
             child: Scaffold(
               appBar: AppBar(
               appBar: AppBar(
-                title: Text(title ?? '', style: TextStyle(color: Colors.white, fontSize: 18)),
+                title: Text(state.title, style: TextStyle(color: Colors.white, fontSize: 18)),
                 centerTitle: true,
                 centerTitle: true,
                 backgroundColor: Color(0xFF7691FA),
                 backgroundColor: Color(0xFF7691FA),
                 iconTheme: IconThemeData(color: Colors.white),
                 iconTheme: IconThemeData(color: Colors.white),
@@ -36,18 +34,9 @@ class LinkPage extends StatelessWidget {
                       height: MediaQuery.of(ctx).size.height - 120, // 减去100像素留空
                       height: MediaQuery.of(ctx).size.height - 120, // 减去100像素留空
                       child: WebViewWidget(
                       child: WebViewWidget(
                         controller: ctx.read<LinkCubit>().controller,
                         controller: ctx.read<LinkCubit>().controller,
-                        gestureRecognizers: {
-                          // 允许所有手势
-                          Factory<VerticalDragGestureRecognizer>(
-                            () => VerticalDragGestureRecognizer(),
-                          ),
-                          Factory<HorizontalDragGestureRecognizer>(
-                            () => HorizontalDragGestureRecognizer(),
-                          ),
-                        },
                       ),
                       ),
                     )
                     )
-                  : const Center(child: CircularProgressIndicator()),
+                  : const Center(child: CircularProgressIndicator(color: Color(0xFF7691fa))),
             ),
             ),
           );
           );
         },
         },