创建MVVM示例项目

MVVMExample/ViewLocator.cs

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+using System;
+using Avalonia.Controls;
+using Avalonia.Controls.Templates;
+using MVVMExample.ViewModels;
+
+namespace MVVMExample
+{
+    public class ViewLocator : IDataTemplate
+    {
+
+        public Control? Build(object? param)
+        {
+            if (param is null)
+                return null;
+
+            var name = param.GetType().FullName!.Replace("ViewModel", "View", StringComparison.Ordinal);
+            var type = Type.GetType(name);
+
+            if (type != null)
+            {
+                return (Control)Activator.CreateInstance(type)!;
+            }
+
+            return new TextBlock { Text = "Not Found: " + name };
+        }
+
+        public bool Match(object? data)
+        {
+            return data is ViewModelBase;
+        }
+    }
+}