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lib/v12/app/authentication/auth_scope.dart

@@ -0,0 +1,75 @@
+import 'package:flutter/material.dart';
+
+const Map<String,String> _kTestUserMap = {
+  'toly': '123456',
+  '张风捷特烈': '111111',
+  'test1': '111111',
+};
+
+class AuthScope extends InheritedNotifier<AuthResult> {
+  const AuthScope({super.key, required super.child, super.notifier});
+
+  static AuthResult of(BuildContext context) {
+    return context
+        .dependOnInheritedWidgetOfExactType<AuthScope>()!
+        .notifier!;
+  }
+
+  static AuthResult read(BuildContext context) {
+    return context
+        .getInheritedWidgetOfExactType<AuthScope>()!
+        .notifier!;
+  }
+}
+
+enum AuthStatus{
+  none,
+  success,
+  failed,
+  waitingLogin,
+  waitingLoginOut,
+}
+
+class AuthResult with ChangeNotifier {
+  String? name;
+  int coin = 0;
+  String? token;
+  AuthStatus status = AuthStatus.none;
+
+  AuthResult();
+
+  Future<(bool,String)> login(String username,String pwd) async{
+    /// 模拟校验 与 模拟延时
+    bool allow = _kTestUserMap[username] == pwd;
+    status = AuthStatus.waitingLogin;
+    notifyListeners();
+      await Future.delayed(const Duration(seconds: 1));
+    if(allow){
+      name = username;
+      coin = 1994328;
+      token = 'testToken======';
+      status = AuthStatus.success;
+      notifyListeners();
+      return (true,'登陆成功!');
+    }else{
+      /// 可以返回一写其他错误信息
+      status = AuthStatus.failed;
+      notifyListeners();
+      return (false,'登陆失败!');
+    }
+  }
+
+  Future<bool> logout() async{
+    status = AuthStatus.waitingLoginOut;
+    notifyListeners();
+    /// 模拟退出登录请求耗时
+    await Future.delayed(const Duration(seconds: 1));
+    name = null;
+    coin = 0;
+    token = null;
+    status = AuthStatus.none;
+    notifyListeners();
+    return true;
+  }
+}
+