冲突处理

QueryPage.xaml.cs

@@ -4,14 +4,18 @@ namespace SunlightAggregationTerminal;
 
 public partial class QueryPage : ContentPage
 {
+    // 定义一个静态的回调动作
+    public static Action<string>? OnScanQuery;
+
     public QueryPage()
 	{
 		InitializeComponent();
 
         WeakReferenceMessenger.Default.Register<string>(this, (r, scannedValue) =>
-        {
+            {
             ResultEntry.Text = scannedValue;
-        });
+            });
+        };
     }
     private async void OnScanButtonClicked(object sender, EventArgs e)
     {