登录流程已全部重构

lib/pages/system/test_page.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+import 'package:food_health/l10n/app_localizations.dart';
+
+class TestPage extends StatefulWidget {
+  const TestPage({super.key});
+
+  @override
+  State<TestPage> createState() => _TestPageState();
+}
+
+class _TestPageState extends State<TestPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Center(
+        child: Text(
+          AppLocalizations.of(context)?.login_title ?? "",
+          style: TextStyle(
+            fontSize: 50,
+            color: Theme.of(context).colorScheme.primary,
+          ),
+        ),
+      ),
+    );
+  }
+}