更新

ConeCalorimeter/MainWindow.xaml.cs

@@ -21,6 +21,7 @@ namespace ConeCalorimeter
                 experimentDataService,
                 _tcpDeviceConnectionService,
                 new NpoiReportExportService(),
+                new NpoiRealtimeDataExportService(),
                 new HelpDialogService());
         }
 

ConeCalorimeter/Models/RealtimeDataRecord.cs

@@ -13,11 +13,14 @@ public sealed record RealtimeDataRecord(
     double CarbonDioxide,
     double CarbonMonoxide,
     double HeatReleaseRate,
+    double PeakHeatReleaseRate,
+    double CFactor,
     double Qa180,
     double Qa300,
     double TotalHeatRelease,
     double SmokeProduction,
     double CurrentMass,
+    double InitialMass,
     double MassLoss,
     int IgnitionSeconds,
     int TestSeconds,
@@ -38,11 +41,14 @@ public sealed record RealtimeDataRecord(
             snapshot.CarbonDioxide,
             snapshot.CarbonMonoxide,
             snapshot.HeatReleaseRate,
+            snapshot.PeakHeatReleaseRate,
+            snapshot.CFactor,
             snapshot.Qa180,
             snapshot.Qa300,
             snapshot.TotalHeatRelease,
             snapshot.SmokeProduction,
             snapshot.CurrentMass,
+            snapshot.InitialMass,
             snapshot.MassLoss,
             snapshot.IgnitionSeconds,
             snapshot.TestSeconds,

ConeCalorimeter/Models/RealtimeSnapshot.cs

@@ -12,11 +12,14 @@ public sealed record RealtimeSnapshot(
     double CarbonDioxide,
     double CarbonMonoxide,
     double HeatReleaseRate,
+    double PeakHeatReleaseRate,
+    double CFactor,
     double Qa180,
     double Qa300,
     double TotalHeatRelease,
     double SmokeProduction,
     double CurrentMass,
+    double InitialMass,
     double MassLoss,
     int IgnitionSeconds,
     int TestSeconds,

ConeCalorimeter/Services/ExperimentDataService.cs

@@ -55,7 +55,6 @@ public sealed class ExperimentDataService : IExperimentDataService
     public void StopTest()
     {
         _isTestRunning = false;
-        _initialMass = null;
     }
 
     public void ClearRecords()
@@ -139,6 +138,7 @@ public sealed class ExperimentDataService : IExperimentDataService
         {
             return snapshot with
             {
+                InitialMass = _initialMass ?? double.NaN,
                 MassLoss = double.NaN
             };
         }
@@ -154,6 +154,7 @@ public sealed class ExperimentDataService : IExperimentDataService
 
         return snapshot with
         {
+            InitialMass = _initialMass ?? double.NaN,
             MassLoss = massLoss
         };
     }

ConeCalorimeter/Services/IRealtimeDataExportService.cs

@@ -0,0 +1,8 @@
+using ConeCalorimeter.Models;
+
+namespace ConeCalorimeter.Services;
+
+public interface IRealtimeDataExportService
+{
+    void Export(string outputPath, IReadOnlyList<RealtimeDataRecord> records);
+}

ConeCalorimeter/Services/ModbusRealtimeDataService.cs

@@ -13,7 +13,9 @@ public sealed class ModbusRealtimeDataService : IRealtimeDataService
     private const ushort ConeTemperatureRegister = 26;
     private const ushort OrificeTemperatureRegister = 30;
     private const ushort SampleTemperatureRegister = 36;
+    private const ushort CFactorRegister = 312;
     private const ushort HeatReleaseRateRegister = 354;
+    private const ushort PeakHeatReleaseRateRegister = 376;
     private const ushort Qa180Register = 366;
     private const ushort Qa300Register = 370;
     private const ushort SmokeProductionRegister = 392;
@@ -42,11 +44,14 @@ public sealed class ModbusRealtimeDataService : IRealtimeDataService
             CarbonDioxide: ReadFloatOrEmpty(CarbonDioxideRegister),
             CarbonMonoxide: ReadFloatOrEmpty(CarbonMonoxideRegister),
             HeatReleaseRate: ReadFloatOrEmpty(HeatReleaseRateRegister),
+            PeakHeatReleaseRate: ReadFloatOrEmpty(PeakHeatReleaseRateRegister),
+            CFactor: ReadFloatOrEmpty(CFactorRegister),
             Qa180: ReadFloatOrEmpty(Qa180Register),
             Qa300: ReadFloatOrEmpty(Qa300Register),
             TotalHeatRelease: double.NaN,
             SmokeProduction: ReadFloatOrEmpty(SmokeProductionRegister),
             CurrentMass: ReadFloatOrEmpty(CurrentMassRegister),
+            InitialMass: double.NaN,
             MassLoss: double.NaN,
             IgnitionSeconds: ReadInt16OrEmpty(IgnitionSecondsRegister),
             TestSeconds: ReadInt16OrEmpty(TestSecondsRegister),

ConeCalorimeter/Services/NpoiRealtimeDataExportService.cs

@@ -0,0 +1,87 @@
+using System.IO;
+using ConeCalorimeter.Models;
+using NPOI.HSSF.UserModel;
+using NPOI.SS.UserModel;
+
+namespace ConeCalorimeter.Services;
+
+public sealed class NpoiRealtimeDataExportService : IRealtimeDataExportService
+{
+    private static readonly string[] Headers =
+    [
+        "Time(s)",
+        "O2 (%)",
+        "CO2 (%)",
+        "CO (%)",
+        "孔板压差 (Pa)",
+        "孔板温度 (℃)",
+        "HRR",
+        "THR (MJ/m2)",
+        "SPR",
+        "TSR (m2)",
+        "MLR (g/s)",
+        "热释放KW/m2",
+        "EHC",
+        "损失质量",
+        "试样温度（℃）"
+    ];
+
+    public void Export(string outputPath, IReadOnlyList<RealtimeDataRecord> records)
+    {
+        var workbook = new HSSFWorkbook();
+        var sheet = workbook.CreateSheet("实时数据");
+
+        WriteHeader(sheet);
+        WriteRecords(sheet, records);
+
+        using var outputStream = File.Create(outputPath);
+        workbook.Write(outputStream);
+    }
+
+    private static void WriteHeader(ISheet sheet)
+    {
+        var row = sheet.CreateRow(0);
+        for (var i = 0; i < Headers.Length; i++)
+        {
+            row.CreateCell(i).SetCellValue(Headers[i]);
+        }
+    }
+
+    private static void WriteRecords(ISheet sheet, IReadOnlyList<RealtimeDataRecord> records)
+    {
+        for (var i = 0; i < records.Count; i++)
+        {
+            var record = records[i];
+            var row = sheet.CreateRow(i + 1);
+
+            SetNumeric(row, 0, record.TestSeconds >= 0 ? record.TestSeconds : double.NaN);
+            SetNumeric(row, 1, record.Oxygen);
+            SetNumeric(row, 2, record.CarbonDioxide);
+            SetNumeric(row, 3, record.CarbonMonoxide);
+            SetNumeric(row, 4, record.OrificePressure);
+            SetNumeric(row, 5, record.OrificeTemperature);
+            SetNumeric(row, 6, record.HeatReleaseRate);
+            SetNumeric(row, 7, record.TotalHeatRelease);
+            SetNumeric(row, 8, record.SmokeProduction);
+            SetNumeric(row, 9, record.TotalSmoke);
+            SetNumeric(row, 10, record.MassLossRate);
+            SetNumeric(row, 11, record.HeatReleaseRateKw);
+            SetNumeric(row, 12, record.EffectiveHeatOfCombustion);
+            SetNumeric(row, 13, record.MassLoss);
+            SetNumeric(row, 14, record.SampleTemperature);
+        }
+
+        for (var i = 0; i < Headers.Length; i++)
+        {
+            sheet.AutoSizeColumn(i);
+        }
+    }
+
+    private static void SetNumeric(IRow row, int columnIndex, double value)
+    {
+        if (double.IsFinite(value))
+        {
+            row.CreateCell(columnIndex).SetCellValue(value);
+        }
+    }
+}

ConeCalorimeter/Services/NpoiReportExportService.cs

@@ -59,7 +59,7 @@ public sealed class NpoiReportExportService : IReportExportService
         SetValueBesideLabel(sheet, "材料", input.Material);
         SetValueBesideLabel(sheet, "样品", input.SampleName);
         SetValueBesideLabel(sheet, "厚度", input.Thickness);
-        SetValueBesideLabel(sheet, "初始质量", FirstNonEmpty(input.InitialMass, FormatWithUnit(records.FirstOrDefault()?.CurrentMass, "g")));
+        SetValueBesideLabel(sheet, "初始质量", FirstNonEmpty(input.InitialMass, summary.InitialMass));
         SetValueBesideLabel(sheet, "辐射面积", input.IrradiatedArea);
         SetValueBesideLabel(sheet, "热辐射值", input.Irradiance);
         SetValueBesideLabel(sheet, "辐射距离", input.IrradianceDistance);
@@ -87,7 +87,7 @@ public sealed class NpoiReportExportService : IReportExportService
         SetValueBesideLabel(sheet, "结束标准", input.EndCriteria);
         SetValueBesideLabel(sheet, "结束时间", FirstNonEmpty(input.EndTime, summary.EndTime));
         SetValueBesideLabel(sheet, "E等价热值", input.EquivalentHeatValue);
-        SetValueBesideLabel(sheet, "C-系数", input.CFactor);
+        SetValueBesideLabel(sheet, "C-系数", FirstNonEmpty(input.CFactor, summary.CFactor));
         SetValueBesideLabel(sheet, "光程", input.LightPath);
         SetValueBesideLabel(sheet, "O2延迟时间", input.O2DelayTime);
         SetValueBesideLabel(sheet, "CO2延迟时间", input.CO2DelayTime);
@@ -255,18 +255,20 @@ public sealed class NpoiReportExportService : IReportExportService
     {
         if (records.Count == 0)
         {
-            return new ReportSummary("", "", "", "", "", "", "");
+            return new ReportSummary("", "", "", "", "", "", "", "", "");
         }
 
         var last = records[^1];
         var ignition = records.FirstOrDefault(record => record.FlameDetected)?.TestSeconds;
 
         return new ReportSummary(
-            PeakHeatReleaseRate: FormatWithUnit(records.Max(record => record.HeatReleaseRate), "kW/㎡"),
-            PeakSmokeProduction: FormatWithUnit(records.Max(record => record.SmokeProduction), "m²/s"),
-            TotalHeatRelease: FormatWithUnit(last.TotalHeatRelease, "MJ/㎡"),
-            TotalSmoke: FormatWithUnit(last.TotalSmoke, "m²"),
-            MassLoss: FormatWithUnit(last.MassLoss, "g"),
+            PeakHeatReleaseRate: FormatWithUnit(LastFinite(records, record => record.PeakHeatReleaseRate), "kW/㎡"),
+            PeakSmokeProduction: FormatWithUnit(MaxFinite(records, record => record.SmokeProduction), "m²/s"),
+            TotalHeatRelease: FormatWithUnit(LastFinite(records, record => record.TotalHeatRelease), "MJ/㎡"),
+            TotalSmoke: FormatWithUnit(LastFinite(records, record => record.TotalSmoke), "m²"),
+            MassLoss: FormatWithUnit(LastFinite(records, record => record.MassLoss), "g"),
+            InitialMass: FormatWithUnit(LastFinite(records, record => record.InitialMass), "g"),
+            CFactor: FormatValue(LastFinite(records, record => record.CFactor)),
             IgnitionTime: ignition is null ? "" : $"{ignition.Value} s",
             EndTime: $"{last.TestSeconds} s");
     }
@@ -276,6 +278,40 @@ public sealed class NpoiReportExportService : IReportExportService
         return value is null || !double.IsFinite(value.Value) ? "" : $"{value.Value:0.00} {unit}";
     }
 
+    private static string FormatValue(double? value)
+    {
+        return value is null || !double.IsFinite(value.Value) ? "" : $"{value.Value:0.00}";
+    }
+
+    private static double? LastFinite(IReadOnlyList<RealtimeDataRecord> records, Func<RealtimeDataRecord, double> selector)
+    {
+        for (var i = records.Count - 1; i >= 0; i--)
+        {
+            var value = selector(records[i]);
+            if (double.IsFinite(value))
+            {
+                return value;
+            }
+        }
+
+        return null;
+    }
+
+    private static double? MaxFinite(IReadOnlyList<RealtimeDataRecord> records, Func<RealtimeDataRecord, double> selector)
+    {
+        double? max = null;
+        foreach (var record in records)
+        {
+            var value = selector(record);
+            if (double.IsFinite(value) && (!max.HasValue || value > max.Value))
+            {
+                max = value;
+            }
+        }
+
+        return max;
+    }
+
     private static string FirstNonEmpty(params string[] values)
     {
         return values.FirstOrDefault(value => !string.IsNullOrWhiteSpace(value)) ?? string.Empty;
@@ -287,6 +323,8 @@ public sealed class NpoiReportExportService : IReportExportService
         string TotalHeatRelease,
         string TotalSmoke,
         string MassLoss,
+        string InitialMass,
+        string CFactor,
         string IgnitionTime,
         string EndTime);
 }

ConeCalorimeter/ViewModels/MainViewModel.cs

@@ -14,6 +14,7 @@ public sealed class MainViewModel : ObservableObject
         IExperimentDataService experimentDataService,
         ITcpDeviceConnectionService tcpDeviceConnectionService,
         IReportExportService reportExportService,
+        IRealtimeDataExportService realtimeDataExportService,
         IHelpDialogService helpDialogService)
     {
         _helpDialogService = helpDialogService;
@@ -39,7 +40,7 @@ public sealed class MainViewModel : ObservableObject
             new SmokeDensitySettingsViewModel(() => SelectPage(testItem), tcpDeviceConnectionService));
         var realtimeDataItem = new NavigationItemViewModel(
             "实时数据",
-            new RealtimeDataViewModel(experimentDataService, () => SelectPage(testItem)));
+            new RealtimeDataViewModel(experimentDataService, realtimeDataExportService, () => SelectPage(testItem)));
         var helpItem = new NavigationItemViewModel(
             "帮助",
             ShowMainHelp);

ConeCalorimeter/ViewModels/RealtimeDataViewModel.cs

@@ -1,8 +1,10 @@
 using System.Collections.ObjectModel;
 using System.Collections.Specialized;
+using System.Windows;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using ConeCalorimeter.Services;
+using Microsoft.Win32;
 
 namespace ConeCalorimeter.ViewModels;
 
@@ -10,11 +12,16 @@ public sealed class RealtimeDataViewModel : PageViewModel
 {
     private readonly Action _closeAction;
     private readonly IExperimentDataService _experimentDataService;
+    private readonly IRealtimeDataExportService _realtimeDataExportService;
     private string _statusText = string.Empty;
 
-    public RealtimeDataViewModel(IExperimentDataService experimentDataService, Action closeAction) : base("实时数据")
+    public RealtimeDataViewModel(
+        IExperimentDataService experimentDataService,
+        IRealtimeDataExportService realtimeDataExportService,
+        Action closeAction) : base("实时数据")
     {
         _experimentDataService = experimentDataService;
+        _realtimeDataExportService = realtimeDataExportService;
         _closeAction = closeAction;
 
         Rows = [];
@@ -77,7 +84,39 @@ public sealed class RealtimeDataViewModel : PageViewModel
 
     private void ExportRows()
     {
-        StatusText = Rows.Count == 0 ? "没有可导出的数据" : $"已准备导出 {Rows.Count} 条记录";
+        var records = _experimentDataService.Records.ToList();
+        if (records.Count == 0)
+        {
+            StatusText = "没有可导出的数据";
+            return;
+        }
+
+        var dialog = new SaveFileDialog
+        {
+            Title = "导出实时数据",
+            Filter = "Excel 97-2003 工作簿 (*.xls)|*.xls",
+            FileName = $"实时数据_{DateTime.Now:yyyyMMdd_HHmmss}.xls",
+            DefaultExt = ".xls",
+            AddExtension = true,
+            OverwritePrompt = true
+        };
+
+        if (dialog.ShowDialog() != true)
+        {
+            StatusText = "已取消导出";
+            return;
+        }
+
+        try
+        {
+            _realtimeDataExportService.Export(dialog.FileName, records);
+            StatusText = $"已导出：{dialog.FileName}";
+        }
+        catch (Exception ex)
+        {
+            StatusText = $"导出失败：{ex.Message}";
+            MessageBox.Show(StatusText, "导出实时数据", MessageBoxButton.OK, MessageBoxImage.Error);
+        }
     }
 
 }

ConeCalorimeter/ViewModels/ReportFieldViewModel.cs

@@ -5,6 +5,8 @@ namespace ConeCalorimeter.ViewModels;
 public sealed class ReportFieldViewModel : ObservableObject
 {
     private string _value;
+    private bool _isAutoFilled;
+    private bool _isSettingAutoValue;
 
     public ReportFieldViewModel(string key, string label, string value = "")
     {
@@ -20,6 +22,30 @@ public sealed class ReportFieldViewModel : ObservableObject
     public string Value
     {
         get => _value;
-        set => SetProperty(ref _value, value);
+        set
+        {
+            if (SetProperty(ref _value, value) && !_isSettingAutoValue)
+            {
+                _isAutoFilled = false;
+            }
+        }
+    }
+
+    public void SetAutoValue(string value)
+    {
+        if (string.IsNullOrWhiteSpace(value))
+        {
+            return;
+        }
+
+        if (!string.IsNullOrWhiteSpace(Value) && !_isAutoFilled)
+        {
+            return;
+        }
+
+        _isSettingAutoValue = true;
+        Value = value;
+        _isSettingAutoValue = false;
+        _isAutoFilled = true;
     }
 }

ConeCalorimeter/ViewModels/ReportPageViewModel.cs

@@ -141,10 +141,12 @@ public sealed class ReportPageViewModel : PageViewModel
 
         SummaryItems[1].Value = records.First().Timestamp.ToString("yyyy-MM-dd HH:mm:ss", CultureInfo.CurrentCulture);
         SummaryItems[2].Value = records.Last().Timestamp.ToString("yyyy-MM-dd HH:mm:ss", CultureInfo.CurrentCulture);
-        SummaryItems[3].Value = $"{records.Max(row => row.HeatReleaseRate):0.00} kW/㎡";
-        SummaryItems[4].Value = $"{records.Last().TotalHeatRelease:0.00} MJ/㎡";
-        SummaryItems[5].Value = $"{records.Last().TotalSmoke:0.00} m²";
-        SummaryItems[6].Value = $"{records.Last().MassLoss:0.00} g";
+        var last = records.Last();
+        SummaryItems[3].Value = FormatWithUnit(last.PeakHeatReleaseRate, "kW/㎡");
+        SummaryItems[4].Value = FormatWithUnit(last.TotalHeatRelease, "MJ/㎡");
+        SummaryItems[5].Value = FormatWithUnit(last.TotalSmoke, "m²");
+        SummaryItems[6].Value = FormatWithUnit(last.MassLoss, "g");
+        FillCollectedReportFields(records);
     }
 
     private void ExportReport()
@@ -224,4 +226,40 @@ public sealed class ReportPageViewModel : PageViewModel
     {
         return values.FirstOrDefault(value => !string.IsNullOrWhiteSpace(value)) ?? string.Empty;
     }
+
+    private static string FormatWithUnit(double value, string unit)
+    {
+        return double.IsFinite(value) ? $"{value:0.00} {unit}" : "-";
+    }
+
+    private void FillCollectedReportFields(IReadOnlyList<RealtimeDataRecord> records)
+    {
+        FindField("InitialMass")?.SetAutoValue(FormatWithUnit(LastFinite(records, record => record.InitialMass), "g"));
+        FindField("CFactor")?.SetAutoValue(FormatValue(LastFinite(records, record => record.CFactor)));
+    }
+
+    private ReportFieldViewModel? FindField(string key)
+    {
+        return Sections.SelectMany(section => section.Fields)
+            .FirstOrDefault(field => field.Key == key);
+    }
+
+    private static double LastFinite(IReadOnlyList<RealtimeDataRecord> records, Func<RealtimeDataRecord, double> selector)
+    {
+        for (var i = records.Count - 1; i >= 0; i--)
+        {
+            var value = selector(records[i]);
+            if (double.IsFinite(value))
+            {
+                return value;
+            }
+        }
+
+        return double.NaN;
+    }
+
+    private static string FormatValue(double value)
+    {
+        return double.IsFinite(value) ? $"{value:0.00}" : string.Empty;
+    }
 }