2025-12-29 First Commit

lib/historys/chap0215_v1/placeholder_screens.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+
+// 通用的佔位畫面
+class PlaceholderScreen extends StatelessWidget {
+  final String title;
+
+  const PlaceholderScreen({required this.title, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(title),
+      ),
+      body: Center(
+        child: Text(
+          '$title 功能正在開發中...',
+          style: const TextStyle(fontSize: 24, color: Colors.grey),
+        ),
+      ),
+    );
+  }
+}
+
+// 各功能頁面 (繼承自 PlaceholderScreen，方便未來替換成真實頁面)
+class AttendanceScreen extends PlaceholderScreen {
+  AttendanceScreen({super.key}) : super(title: '員工打卡');
+}
+
+class ApprovalScreen extends PlaceholderScreen {
+  ApprovalScreen({super.key}) : super(title: '待簽核事項');
+}
+
+class TodoScreen extends PlaceholderScreen {
+  TodoScreen({super.key}) : super(title: '待辦事項');
+}
+
+class CalendarScreen extends PlaceholderScreen {
+  CalendarScreen({super.key}) : super(title: '行事曆');
+}