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lib/v12/app/navigation/helper/function.dart

@@ -0,0 +1,25 @@
+import 'package:flutter/cupertino.dart';
+
+Map<String, String> kRouteLabelMap = {
+  '': '',
+  '/color': '颜色板',
+  '/color/add': '添加颜色',
+  '/color/detail': '颜色详情',
+  '/counter': '计数器',
+  '/sort': '排序算法',
+  '/sort/player': '',
+  '/sort/settings': '排序配置',
+  '/user': '我的',
+  '/settings': '系统设置',
+};
+
+
+String calcRouteName(BuildContext context,String path){
+  String? result = kRouteLabelMap[path];
+  if(result !=null) return result;
+  if(path.startsWith('/sort/player/')){
+    return path.split('/sort/player/')[1];
+  }
+
+  return '未知路由';
+}

lib/v12/app/navigation/helper/router_history.dart

@@ -0,0 +1,108 @@
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+
+class RouterHistoryScope extends InheritedNotifier<RouterHistory> {
+  const RouterHistoryScope({super.key, required super.child, super.notifier});
+
+  static RouterHistory of(BuildContext context) {
+    return context
+        .dependOnInheritedWidgetOfExactType<RouterHistoryScope>()!
+        .notifier!;
+  }
+
+  static RouterHistory read(BuildContext context) {
+    return context
+        .getInheritedWidgetOfExactType<RouterHistoryScope>()!
+        .notifier!;
+  }
+}
+
+class RouterHistory with ChangeNotifier {
+  final List<String> exclusives;
+
+  final GoRouterDelegate delegate;
+
+  final List<RouteMatchList> _histories = [];
+  final List<RouteMatchList> _backHistories = [];
+
+  List<RouteMatchList> get histories => _histories;
+
+  RouterHistory(this.delegate, {this.exclusives = const []}) {
+    delegate.addListener(_onRouteChange);
+  }
+
+  /// 用于记录当前历史记录
+  /// 清空历史之后，切换时，先记录 _current
+  RouteMatchList? _current;
+
+  void _onRouteChange() {
+    /// 当没有历史，且 _current 非空
+    if (_histories.isEmpty && _current != null) {
+      _histories.add(_current!);
+    }
+
+    RouteMatchList matchList = delegate.currentConfiguration;
+    if (_histories.isNotEmpty && matchList == _histories.last
+    || matchList.isEmpty
+    ) return;
+
+
+
+    String uri = matchList.last.matchedLocation;
+    if (exclusives.contains(uri)) {
+      return;
+    }
+    _recode(matchList);
+  }
+
+  /// 将 [history] 加入历史记录
+  void _recode(RouteMatchList history) {
+    _current = history;
+    _histories.add(history);
+    if (hasHistory) {
+      notifyListeners();
+    }
+  }
+
+  bool get hasHistory => _histories.length > 1;
+
+  bool get hasBackHistory => _backHistories.isNotEmpty;
+
+  /// 历史回退操作
+  /// 将当前顶层移除，并加入 [_backHistories] 撤销列表
+  /// 并转到前一路径 [_histories.last]
+  void back() {
+    if (!hasHistory) {
+      return;
+    }
+    RouteMatchList top = _histories.removeLast();
+    _backHistories.add(top);
+    if (_histories.isNotEmpty) {
+      delegate.setNewRoutePath(_histories.last);
+      notifyListeners();
+    }
+  }
+
+  /// 撤销回退操作
+  /// 取出回退列表的最后元素，跳转到该路径
+  void revocation() {
+    RouteMatchList target = _backHistories.removeLast();
+    delegate.setNewRoutePath(target);
+    notifyListeners();
+  }
+
+  void close(RouteMatchList history) {
+    _histories.remove(history);
+    notifyListeners();
+  }
+
+  void clear() {
+    _histories.clear();
+    notifyListeners();
+  }
+
+  void select(RouteMatchList history) {
+    _histories.remove(history);
+    delegate.setNewRoutePath(history);
+  }
+}