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lib/16/01/pages/empty/empty_page.dart

@@ -0,0 +1,30 @@
+import 'package:flutter/material.dart';
+
+class EmptyPage extends StatelessWidget {
+  const EmptyPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('界面走丢了'),
+      ),
+      body: Scaffold(
+        body: Center(
+          child: Wrap(
+            spacing: 16,
+            crossAxisAlignment: WrapCrossAlignment.center,
+            direction: Axis.vertical,
+            children: [
+              Icon(Icons.nearby_error,size: 64, color: Colors.grey),
+              Text(
+                '404 界面丢失',
+                style: TextStyle(fontSize: 24, color: Colors.grey),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}