更新2026

ViewModels/StationViewModel.cs

@@ -21,7 +21,6 @@ namespace TabletTester2025.ViewModels
         private readonly DatabaseService _db;
         private readonly ExcelExportService _excel;
         private readonly AlarmService _alarm;
-        private readonly BalanceService _balance; // ✅ 新增天平服务
         private DispatcherTimer _disintegrationTimer;
         private bool _isLoadingDissolution1Time;
         private bool _isLoadingDissolution2Time;
@@ -149,7 +148,6 @@ namespace TabletTester2025.ViewModels
             _db = db;
             _excel = excel;
             _alarm = alarm;
-            _balance = new BalanceService(); // 实例化天平服务（模拟）
 
             StartHardnessCommand = new AsyncRelayCommand(RunHardnessAsync);
             StartFriabilityCommand = new AsyncRelayCommand(RunFriabilityAsync);
@@ -632,6 +630,7 @@ namespace TabletTester2025.ViewModels
             CurrentTest = TestType.Friability;
             Phase = TestPhase.Running;
             FriabilityPass = false;
+            bool resultReady = false;
 
             try
             {
@@ -641,7 +640,10 @@ namespace TabletTester2025.ViewModels
                 {
                     throw new InvalidOperationException("未配置脆碎度启动线圈地址");
                 }
-                WeightBefore = await _balance.ReadWeightAsync();
+                WeightBefore = await ReadFriabilityWeightAsync(_plcConfig.WeightBefore, "脆碎前重量");
+                if (WeightBefore <= 0)
+                    throw new InvalidOperationException("脆碎前重量必须大于0");
+
                 await _plc.WriteCoilAsync(startCoil, true);
                 int totalRounds = 100;                     // 药典标准脆碎度总圈数：100圈
                 double rpm = FriabilityTargetRpm;         // 界面设置的目标转速（r/min）
@@ -664,11 +666,15 @@ namespace TabletTester2025.ViewModels
                     // 等待100ms，再更新下一次
                     await Task.Delay(100);
                 }
-                WeightAfter = await _balance.ReadWeightAsync();
+                if (Phase != TestPhase.Running)
+                    throw new InvalidOperationException("脆碎度测试已停止，未保存结果");
+
+                WeightAfter = await ReadFriabilityWeightAsync(_plcConfig.WeightAfter, "脆碎后重量");
 
                 FriabilityCurrentRpm = FriabilityTargetRpm;
                 LossPercent = (WeightBefore - WeightAfter) / WeightBefore * 100;//失重率
                 FriabilityPass = LossPercent <= App.CurrentPharmaParams.FriabilityMaxLossPercent; //标准值
+                resultReady = true;
                 // 标记测试为已完成
                 Phase = TestPhase.Completed;
             }
@@ -683,10 +689,23 @@ namespace TabletTester2025.ViewModels
             {
                 Phase = TestPhase.Idle;
                 FriabilityRemainingRounds = 100;
-                await SaveBatchResult();
+                if (resultReady)
+                    await SaveBatchResult();
             }
         }
 
+        private async Task<double> ReadFriabilityWeightAsync(ushort registerAddress, string label)
+        {
+            if (registerAddress == 0)
+                throw new InvalidOperationException($"{label}寄存器未配置");
+
+            double value = await _plc.ReadFloatAsync(registerAddress);
+            if (!double.IsFinite(value) || value < 0)
+                throw new InvalidOperationException($"{label}数据异常");
+
+            return value;
+        }
+
         private async Task RunDisintegrationAsync()
         {
             if (Phase != TestPhase.Idle) return;