feat: 优化流程

PetWashControl/Views/CompletionDialog.xaml.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Windows;
+using System.Windows.Threading;
+
+namespace PetWashControl.Views
+{
+    public partial class CompletionDialog : Window
+    {
+        private DispatcherTimer? _countdownTimer;
+        private int _remainingSeconds = 30;
+
+        public CompletionDialog()
+        {
+            InitializeComponent();
+            StartCountdown();
+        }
+
+        private void StartCountdown()
+        {
+            _countdownTimer = new DispatcherTimer
+            {
+                Interval = TimeSpan.FromSeconds(1)
+            };
+            _countdownTimer.Tick += CountdownTimer_Tick;
+            _countdownTimer.Start();
+        }
+
+        private void CountdownTimer_Tick(object? sender, EventArgs e)
+        {
+            _remainingSeconds--;
+            
+            if (_remainingSeconds > 0)
+            {
+                CountdownText.Text = $"{_remainingSeconds}秒后自动返回首页";
+            }
+            else
+            {
+                _countdownTimer?.Stop();
+                DialogResult = true;
+                Close();
+            }
+        }
+
+        private void OkButton_Click(object sender, RoutedEventArgs e)
+        {
+            _countdownTimer?.Stop();
+            DialogResult = true;
+            Close();
+        }
+
+        protected override void OnClosed(EventArgs e)
+        {
+            _countdownTimer?.Stop();
+            base.OnClosed(e);
+        }
+    }
+}