401增加节流

ln_jq_app/lib/common/AuthGuard.dart

@@ -0,0 +1,22 @@
+import 'package:getx_scaffold/common/index.dart';
+import 'package:ln_jq_app/pages/login/view.dart';
+import 'package:ln_jq_app/storage_service.dart';
+
+class AuthGuard {
+  static bool _handling401 = false;
+
+  static Future<void> handle401(String? message) async {
+    if (_handling401) return;
+    _handling401 = true;
+
+    try {
+      await StorageService.to.clearLoginInfo();
+      Get.offAll(() => const LoginPage());
+    } finally {
+      // 防止意外卡死，可视情况是否延迟重置
+      Future.delayed(const Duration(seconds: 1), () {
+        _handling401 = false;
+      });
+    }
+  }
+}