Models/StageData.cs

@@ -1,20 +1,38 @@
 using CommunityToolkit.Mvvm.ComponentModel;
 
-namespace AciTester.Models;
-
-public partial class StageData : ObservableObject
+namespace AciTester.Models
 {
-    [ObservableProperty]
-    private string stageName = string.Empty;
+    public partial class StageData : ObservableObject
+    {
+        [ObservableProperty]
+        private string stageName;
 
-    [ObservableProperty]
-    private double cutoffDiameter;  // 截止直径 (μm)
+        [ObservableProperty]
+        private double cutoffDiameter;
 
-    [ObservableProperty]
-    private double initialWeight;   // 测前质量 (g)
+        private double _initialWeight;
+        public double InitialWeight
+        {
+            get => _initialWeight;
+            set
+            {
+                if (SetProperty(ref _initialWeight, value))
+                    OnPropertyChanged(nameof(NetWeight)); // 关键：通知净重变化
+            }
+        }
 
-    [ObservableProperty]
-    private double finalWeight;     // 测后质量 (g)
+        private double _finalWeight;
+        public double FinalWeight
+        {
+            get => _finalWeight;
+            set
+            {
+                if (SetProperty(ref _finalWeight, value))
+                    OnPropertyChanged(nameof(NetWeight)); // 关键：通知净重变化
+            }
+        }
 
-    public double NetWeight => finalWeight - initialWeight;
+        // 计算属性，不存储
+        public double NetWeight => FinalWeight - InitialWeight;
+    }
 }