添加项目文件。
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275
ViewModels/StationViewModel.cs
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275
ViewModels/StationViewModel.cs
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using System.Windows.Threading;
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using OxyPlot;
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using OxyPlot.Series;
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using TabletTester2025.Models;
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using TabletTester2025.Services;
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namespace TabletTester2025.ViewModels
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{
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public partial class StationViewModel : ObservableObject
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{
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private readonly IPlcService _plc;
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private readonly PlcConfiguration _plcConfig;
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private readonly DatabaseService _db;
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private readonly ExcelExportService _excel;
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private readonly AlarmService _alarm;
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private DispatcherTimer _disintegrationTimer;
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public int StationId { get; }
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[ObservableProperty] private TestType _currentTest;
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[ObservableProperty] private TestPhase _phase = TestPhase.Idle;
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// 硬度
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[ObservableProperty] private double _hardnessValue;
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[ObservableProperty] private bool _hardnessPass;
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[ObservableProperty] private double _hardnessAvg;
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[ObservableProperty] private double _hardnessRSD;
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private List<double> _hardnessResults = new();
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// 脆碎度
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[ObservableProperty] private double _weightBefore;
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[ObservableProperty] private double _weightAfter;
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[ObservableProperty] private double _lossPercent;
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[ObservableProperty] private bool _friabilityPass;
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// 崩解
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[ObservableProperty] private double _disintegrationTemp;
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[ObservableProperty] private int _disintegrationSeconds;
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[ObservableProperty] private bool _isBasketMovingUp;
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[ObservableProperty] private bool[] _tubesCompleted = new bool[6];
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[ObservableProperty] private int _remainingTubes;
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// 溶出
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[ObservableProperty] private double _dissolutionRpm;
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[ObservableProperty] private double _dissolutionPercent;
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public PlotModel DissolutionPlotModel { get; }
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private LineSeries _dissolutionSeries;
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private DateTime _dissolutionStartTime;
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// 命令
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public IAsyncRelayCommand StartHardnessCommand { get; }
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public IAsyncRelayCommand StartFriabilityCommand { get; }
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public IAsyncRelayCommand StartDisintegrationCommand { get; }
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public IAsyncRelayCommand StartDissolutionCommand { get; }
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public IAsyncRelayCommand ExportHistoryCommand { get; }
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public StationViewModel(int id, IPlcService plc, PlcConfiguration plcConfig, DatabaseService db, ExcelExportService excel, AlarmService alarm)
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{
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StationId = id;
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_plc = plc;
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_plcConfig = plcConfig;
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_db = db;
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_excel = excel;
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_alarm = alarm;
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StartHardnessCommand = new AsyncRelayCommand(RunHardnessAsync);
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StartFriabilityCommand = new AsyncRelayCommand(RunFriabilityAsync);
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StartDisintegrationCommand = new AsyncRelayCommand(RunDisintegrationAsync);
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StartDissolutionCommand = new AsyncRelayCommand(RunDissolutionAsync);
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ExportHistoryCommand = new AsyncRelayCommand(ExportHistoryAsync);
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// 溶出曲线：时间 vs 溶出度
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DissolutionPlotModel = new PlotModel { Title = $"工位{StationId} 溶出曲线" };
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_dissolutionSeries = new LineSeries { Title = "溶出度 (%)", Color = OxyColors.Green };
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DissolutionPlotModel.Series.Add(_dissolutionSeries);
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}
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public async Task UpdateRealTimeData()
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{
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if (Phase != TestPhase.Running) return;
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try
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{
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switch (CurrentTest)
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{
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case TestType.Hardness:
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HardnessValue = await _plc.ReadFloatAsync(_plcConfig.HardnessValue);
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break;
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case TestType.Disintegration:
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DisintegrationTemp = await _plc.ReadFloatAsync(_plcConfig.DisintegrationTemp);
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IsBasketMovingUp = await _plc.ReadCoilAsync(_plcConfig.DisintegrationMovingUpCoil);
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for (int i = 0; i < _plcConfig.DisintegrationCompleteCoils.Length; i++)
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{
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bool completed = await _plc.ReadCoilAsync(_plcConfig.DisintegrationCompleteCoils[i]);
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if (completed && !TubesCompleted[i])
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{
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TubesCompleted[i] = true;
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RemainingTubes = 6 - TubesCompleted.Count(c => c);
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}
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}
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break;
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case TestType.Dissolution:
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DissolutionRpm = await _plc.ReadFloatAsync(_plcConfig.DissolutionRpm);
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DissolutionPercent = await _plc.ReadFloatAsync(_plcConfig.DissolutionPercent);
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if (_dissolutionStartTime != DateTime.MinValue)
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{
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double minutes = (DateTime.Now - _dissolutionStartTime).TotalMinutes;
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_dissolutionSeries.Points.Add(new DataPoint(minutes, DissolutionPercent));
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if (_dissolutionSeries.Points.Count > 200) _dissolutionSeries.Points.RemoveAt(0);
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DissolutionPlotModel.InvalidatePlot(true);
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}
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break;
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}
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}
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catch { }
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}
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private async Task RunHardnessAsync()
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{
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try
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{
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if (Phase != TestPhase.Idle) return;
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CurrentTest = TestType.Hardness;
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Phase = TestPhase.Running;
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_hardnessResults.Clear();
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int count = App.CurrentPharmaParams.HardnessTestCount;
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double min = App.CurrentPharmaParams.HardnessMin_N;
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double max = App.CurrentPharmaParams.HardnessMax_N;
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for (int i = 0; i < count; i++)
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{
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await _plc.WriteCoilAsync(_plcConfig.HardnessStartCoil, true);
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bool completed = false;
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while (!completed && Phase == TestPhase.Running)
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{
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await Task.Delay(200);
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completed = await _plc.ReadCoilAsync(_plcConfig.HardnessCompleteCoil);
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}
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double val = await _plc.ReadFloatAsync(_plcConfig.HardnessValue);
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_hardnessResults.Add(val);
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HardnessValue = val;
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await Task.Delay(1000);
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}
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HardnessAvg = _hardnessResults.Average();
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HardnessRSD = (StandardDeviation(_hardnessResults) / HardnessAvg) * 100;
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HardnessPass = HardnessAvg >= min && HardnessAvg <= max;
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Phase = TestPhase.Completed;
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await SaveBatchResult();
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}
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catch (Exception ex)
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{
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Phase = TestPhase.Error;
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System.Windows.MessageBox.Show($"硬度测试出错：{ex.Message}\n{ex.StackTrace}", "错误", System.Windows.MessageBoxButton.OK, System.Windows.MessageBoxImage.Error);
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}
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}
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private async Task RunFriabilityAsync()
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{
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if (Phase != TestPhase.Idle) return;
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CurrentTest = TestType.Friability;
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Phase = TestPhase.Running;
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// 模拟称重（实际可通过串口天平）
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WeightBefore = 6.5;
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await _plc.WriteCoilAsync(_plcConfig.FriabilityStartCoil, true);
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await Task.Delay(TimeSpan.FromMinutes(4));
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WeightAfter = WeightBefore * (1 - 0.008);
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LossPercent = (WeightBefore - WeightAfter) / WeightBefore * 100;
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FriabilityPass = LossPercent <= App.CurrentPharmaParams.FriabilityMaxLossPercent;
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Phase = TestPhase.Completed;
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await SaveBatchResult();
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}
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private async Task RunDisintegrationAsync()
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{
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if (Phase != TestPhase.Idle) return;
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CurrentTest = TestType.Disintegration;
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Phase = TestPhase.Running;
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TubesCompleted = new bool[6];
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RemainingTubes = 6;
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_disintegrationSeconds = 0;
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_disintegrationTimer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(1) };
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_disintegrationTimer.Tick += (s, e) => { if (Phase == TestPhase.Running) DisintegrationSeconds = _disintegrationSeconds + 1; };
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_disintegrationTimer.Start();
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await _plc.WriteCoilAsync(_plcConfig.DisintegrationStartCoil, true);
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int maxSec = App.CurrentPharmaParams.DisintegrationMaxSeconds;
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while (RemainingTubes > 0 && _disintegrationSeconds < maxSec && Phase == TestPhase.Running)
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await Task.Delay(500);
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_disintegrationTimer.Stop();
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Phase = TestPhase.Completed;
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await SaveBatchResult();
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}
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private async Task RunDissolutionAsync()
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{
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if (Phase != TestPhase.Idle) return;
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CurrentTest = TestType.Dissolution;
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Phase = TestPhase.Running;
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_dissolutionStartTime = DateTime.Now;
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_dissolutionSeries.Points.Clear();
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await _plc.WriteCoilAsync(_plcConfig.DissolutionStartCoil, true);
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var sampleTimes = App.CurrentPharmaParams.DissolutionSampleTimes;
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double prevMin = 0;
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foreach (var t in sampleTimes)
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{
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int delayMs = (int)((t - prevMin) * 60 * 1000);
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if (delayMs > 0) await Task.Delay(delayMs);
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double value = await _plc.ReadFloatAsync(_plcConfig.DissolutionPercent);
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DissolutionPercent = value;
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prevMin = t;
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// 弹出取样提示（可改为非阻塞提示）
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App.Current.Dispatcher.Invoke(() =>
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{
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System.Windows.MessageBox.Show($"工位{StationId} 请在{t}分钟取样。当前溶出度: {value:F1}%");
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});
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}
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bool pass = DissolutionPercent >= App.CurrentPharmaParams.DissolutionMinPercentAt30min;
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Phase = TestPhase.Completed;
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await SaveBatchResult(pass);
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}
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private async Task SaveBatchResult(bool? forcedQualified = null)
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{
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try
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{
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var batch = new TestBatch
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{
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TestTime = DateTime.Now,
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StationId = StationId,
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SampleName = $"样品-{StationId}",
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HardnessAvg = HardnessAvg,
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HardnessRSD = HardnessRSD,
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FriabilityLoss = LossPercent,
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DisintegrationTimeSec = DisintegrationSeconds,
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RemainingTubesAtEnd = RemainingTubes,
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DissolutionRate30Min = DissolutionPercent,
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IsQualified = forcedQualified ?? (HardnessPass && FriabilityPass && RemainingTubes == 0 && DissolutionPercent >= App.CurrentPharmaParams.DissolutionMinPercentAt30min)
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};
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await Task.Run(() => _db.InsertBatch(batch));
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if (!batch.IsQualified)
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_alarm.RaiseAlarm($"工位{StationId} 测试不合格");
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else
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_alarm.ClearAlarm();
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}
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catch (Exception ex)
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{
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System.Windows.MessageBox.Show($"保存测试结果失败：{ex.Message}\n{ex.InnerException?.Message}", "数据库错误", System.Windows.MessageBoxButton.OK, System.Windows.MessageBoxImage.Error);
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}
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}
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private async Task ExportHistoryAsync()
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{
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var batches = await Task.Run(() => _db.GetBatches(StationId, 100));
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string path = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), $"工位{StationId}_检测记录_{DateTime.Now:yyyyMMddHHmmss}.xlsx");
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_excel.ExportToExcel(batches, path);
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System.Windows.MessageBox.Show($"导出成功: {path}");
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}
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private double StandardDeviation(List<double> values)
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{
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if (values.Count == 0) return 0;
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double avg = values.Average();
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double sum = values.Sum(v => Math.Pow(v - avg, 2));
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return Math.Sqrt(sum / values.Count);
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}
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}
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}
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