381 lines
13 KiB
C#
381 lines
13 KiB
C#
using System;
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using System.Collections.ObjectModel;
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using System.Threading.Tasks;
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using System.Windows;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using ASTM_D7896_Tester.Models;
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using ASTM_D7896_Tester.Services;
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using ASTM_D7896_Tester.Helpers;
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using System.Linq;
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using System.IO;
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namespace ASTM_D7896_Tester.ViewModels;
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public partial class D7896ViewModel : ObservableObject
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{
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private readonly IPlcCommunicationService _plcService;
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private readonly ReportService _reportService;
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private AppConfig _config;
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public ObservableCollection<string> ReferenceLiquids { get; } = new ObservableCollection<string> { "蒸馏水", "甲苯", "乙二醇" };
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// ========== 原有属性 ==========
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[ObservableProperty]
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private string _sampleId = "未命名样品";
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[ObservableProperty]
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private double _testTemperature = 25.0;
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[ObservableProperty]
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private string _testDateTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
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[ObservableProperty]
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private bool _isTesting = false;
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[ObservableProperty]
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private string _statusMessage = "就绪";
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[ObservableProperty]
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private int _currentMeasurementIndex = 0;
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[ObservableProperty]
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private ObservableCollection<MeasurementResult> _measurements = new();
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[ObservableProperty]
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private double _averageThermalConductivity;
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[ObservableProperty]
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private double _averageThermalDiffusivity;
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[ObservableProperty]
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private double _averageVolumetricHeatCapacity;
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// ========== 新增属性（补充缺失功能） ==========
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// 章节7.5：样品量 (mL)
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[ObservableProperty]
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private double _sampleVolume = 40.0;
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// 章节7.6：排气泡确认
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[ObservableProperty]
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private bool _bubbleRemoved = false;
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// 附录A2：加压测试
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[ObservableProperty]
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private bool _usePressure = false;
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[ObservableProperty]
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private double _pressureValue = 0.0; // kPa
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// 章节7.1：清洁确认
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[ObservableProperty]
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private bool _isCleanConfirmed = false;
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[ObservableProperty]
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private string _cleanerName = "";
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// 章节8.1：环境温度校准
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[ObservableProperty]
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private double _ambientTemperature = 25.0;
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[ObservableProperty]
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private bool _ambientCalibrated = false;
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// 章节1.4：铂反应性确认
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[ObservableProperty]
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private bool _platinumCompatible = false;
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[ObservableProperty]
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private string _liquidReactivityNote = "";
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// 系统校准模块（章节A3）相关
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[ObservableProperty]
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private bool _isCalibrating = false;
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[ObservableProperty]
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private string _calibrationStatus = "";
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[ObservableProperty]
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private string _selectedReferenceLiquid = "蒸馏水";
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[ObservableProperty]
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private double _referenceConductivity = 0.606;
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[ObservableProperty]
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private double _measuredConductivity = 0.0;
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[ObservableProperty]
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private double _calibrationErrorPercent = 0.0;
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public D7896ViewModel()
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{
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_config = JsonConfigHelper.LoadConfig();
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_plcService = new PlcCommunicationService();
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_reportService = new ReportService(_config.TestParameters.ReportOutputPath);
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// 加载配置中的默认值
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SampleVolume = _config.TestParameters.DefaultSampleVolume;
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UsePressure = _config.TestParameters.UsePressure;
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PressureValue = _config.TestParameters.DefaultPressure;
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SelectedReferenceLiquid = _config.TestParameters.ReferenceLiquid;
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ReferenceConductivity = _config.TestParameters.ReferenceConductivity;
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}
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// ========== 原有命令 ==========
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[RelayCommand]
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private async Task StartTestAsync()
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{
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// 增加前置条件检查：清洁、气泡、铂兼容性、环境校准、样品量
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if (!IsCleanConfirmed)
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{
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MessageBox.Show("请确认采样池已清洁干燥（章节7.1）。", "前置条件未满足");
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return;
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}
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if (!BubbleRemoved)
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{
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MessageBox.Show("请确认已清除铂丝表面气泡（章节7.6）。", "前置条件未满足");
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return;
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}
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if (!PlatinumCompatible)
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{
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MessageBox.Show("请确认所测液体不与铂发生反应（章节1.4）。", "前置条件未满足");
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return;
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}
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if (!AmbientCalibrated)
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{
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MessageBox.Show("请先进行环境温度校准（章节8.1）。", "前置条件未满足");
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return;
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}
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if (SampleVolume <= 0)
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{
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MessageBox.Show("请输入有效的样品量（≥1 mL）。", "参数错误");
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return;
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}
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if (UsePressure && PressureValue <= 0)
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{
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MessageBox.Show("请设置有效的加压值（>0 kPa）。", "参数错误");
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return;
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}
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if (IsTesting)
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{
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MessageBox.Show("测试正在进行中，请稍后...", "提示");
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return;
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}
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if (!await _plcService.IsConnectedAsync())
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{
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var connected = await _plcService.ConnectAsync();
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if (!connected)
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{
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MessageBox.Show("无法连接到PLC，请检查配置。", "错误");
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return;
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}
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}
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Measurements.Clear();
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IsTesting = true;
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StatusMessage = "开始测试...";
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try
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{
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for (int i = 1; i <= _config.TestParameters.MeasurementCount; i++)
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{
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CurrentMeasurementIndex = i;
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StatusMessage = $"正在执行第 {i} 次测量...";
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await _plcService.WriteSingleCoilAsync(_config.PlcRegisterAddresses.StartCommand, true);
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await Task.Delay(500);
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await _plcService.WriteSingleCoilAsync(_config.PlcRegisterAddresses.StartCommand, false);
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await Task.Delay(2000);
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float lambda = await _plcService.ReadFloatAsync(_config.PlcRegisterAddresses.ThermalConductivity);
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float alpha = await _plcService.ReadFloatAsync(_config.PlcRegisterAddresses.ThermalDiffusivity);
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float temperature = await _plcService.ReadFloatAsync(_config.PlcRegisterAddresses.TestTemperature);
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if (i == 1) TestTemperature = temperature;
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var result = new MeasurementResult
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{
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Index = i,
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ThermalConductivity = lambda,
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ThermalDiffusivity = alpha
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};
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result.CalculateVhc();
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Application.Current.Dispatcher.Invoke(() =>
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{
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Measurements.Add(result);
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});
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StatusMessage = $"第 {i} 次测量完成，λ={lambda:F4} W/m·K";
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if (i < _config.TestParameters.MeasurementCount)
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{
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await Task.Delay(_config.TestParameters.IntervalSeconds * 1000);
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}
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}
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CalculateAverages();
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StatusMessage = "测试完成。";
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}
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catch (Exception ex)
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{
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StatusMessage = $"测试出错: {ex.Message}";
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MessageBox.Show($"测试过程中发生错误: {ex.Message}", "错误");
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}
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finally
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{
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IsTesting = false;
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await _plcService.DisconnectAsync();
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}
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}
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private void CalculateAverages()
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{
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if (Measurements.Count == 0) return;
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AverageThermalConductivity = Measurements.Average(m => m.ThermalConductivity);
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AverageThermalDiffusivity = Measurements.Average(m => m.ThermalDiffusivity);
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AverageVolumetricHeatCapacity = Measurements.Average(m => m.VolumetricHeatCapacity);
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}
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[RelayCommand]
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private void Reset()
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{
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Measurements.Clear();
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AverageThermalConductivity = 0;
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AverageThermalDiffusivity = 0;
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AverageVolumetricHeatCapacity = 0;
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CurrentMeasurementIndex = 0;
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StatusMessage = "已重置";
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TestDateTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
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// 重置确认标志（可根据需要决定是否重置）
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// IsCleanConfirmed = false;
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// BubbleRemoved = false;
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// PlatinumCompatible = false;
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// AmbientCalibrated = false;
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}
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[RelayCommand]
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private async Task GenerateReportAsync()
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{
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if (Measurements.Count == 0)
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{
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MessageBox.Show("没有测试数据，请先执行测试。", "提示");
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return;
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}
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try
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{
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// 收集所有额外参数用于报告
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var extraParams = new Dictionary<string, object>
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{
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["SampleVolume"] = SampleVolume,
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["BubbleRemoved"] = BubbleRemoved,
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["UsePressure"] = UsePressure,
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["PressureValue"] = PressureValue,
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["IsCleanConfirmed"] = IsCleanConfirmed,
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["CleanerName"] = CleanerName,
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["AmbientTemperature"] = AmbientTemperature,
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["AmbientCalibrated"] = AmbientCalibrated,
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["PlatinumCompatible"] = PlatinumCompatible,
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["LiquidReactivityNote"] = LiquidReactivityNote
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};
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string reportPath = await _reportService.GenerateReportAsync(
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SampleId,
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TestTemperature,
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Measurements.ToList(),
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AverageThermalConductivity,
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AverageThermalDiffusivity,
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AverageVolumetricHeatCapacity,
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_config.TestParameters,
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extraParams
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);
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MessageBox.Show($"报告已生成：{reportPath}", "成功");
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}
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catch (Exception ex)
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{
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MessageBox.Show($"生成报告失败：{ex.Message}", "错误");
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}
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}
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// ========== 新增命令：排气泡确认 ==========
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[RelayCommand]
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private void ConfirmBubbleRemoved()
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{
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BubbleRemoved = true;
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StatusMessage = "已确认清除气泡。";
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}
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// ========== 新增命令：清洁确认 ==========
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[RelayCommand]
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private void ConfirmClean()
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{
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if (string.IsNullOrWhiteSpace(CleanerName))
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{
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MessageBox.Show("请输入清洁人员姓名。", "提示");
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return;
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}
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IsCleanConfirmed = true;
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StatusMessage = "已确认采样池清洁干燥。";
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}
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// ========== 新增命令：铂兼容性确认 ==========
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[RelayCommand]
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private void ConfirmPlatinumCompatible()
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{
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PlatinumCompatible = true;
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StatusMessage = "已确认液体与铂兼容。";
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}
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// ========== 新增命令：环境温度校准 ==========
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[RelayCommand]
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private async Task CalibrateAmbientAsync()
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{
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if (!await _plcService.IsConnectedAsync())
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{
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await _plcService.ConnectAsync();
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}
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// 读取PLC当前环境温度（假设寄存器地址可配置）
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// 这里简化：让用户手动输入或从PLC读取
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// 为了演示，从PLC读取温度
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float temp = await _plcService.ReadFloatAsync(_config.PlcRegisterAddresses.TestTemperature);
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AmbientTemperature = temp;
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AmbientCalibrated = true;
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StatusMessage = $"环境温度校准完成：{AmbientTemperature:F1} °C";
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}
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// ========== 新增命令：系统校准（章节A3） ==========
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[RelayCommand]
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private async Task PerformSystemCalibrationAsync()
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{
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if (IsCalibrating)
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{
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MessageBox.Show("校准正在进行中...", "提示");
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return;
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}
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var result = MessageBox.Show($"将使用参考液 [{SelectedReferenceLiquid}] 进行系统校准。\n请确保传感器已浸入参考液中，并已清除气泡。\n是否继续？", "系统校准", MessageBoxButton.YesNo);
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if (result != MessageBoxResult.Yes) return;
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IsCalibrating = true;
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CalibrationStatus = "正在测量参考液...";
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try
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{
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// 执行一次测量
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if (!await _plcService.IsConnectedAsync())
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await _plcService.ConnectAsync();
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await _plcService.WriteSingleCoilAsync(_config.PlcRegisterAddresses.StartCommand, true);
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await Task.Delay(500);
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await _plcService.WriteSingleCoilAsync(_config.PlcRegisterAddresses.StartCommand, false);
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await Task.Delay(2000);
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float lambda = await _plcService.ReadFloatAsync(_config.PlcRegisterAddresses.ThermalConductivity);
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MeasuredConductivity = lambda;
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CalibrationErrorPercent = Math.Abs((lambda - ReferenceConductivity) / ReferenceConductivity * 100);
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CalibrationStatus = $"测量值: {MeasuredConductivity:F4} W/m·K, 参考值: {ReferenceConductivity:F4} W/m·K, 误差: {CalibrationErrorPercent:F2}%";
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if (CalibrationErrorPercent <= 2.0)
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MessageBox.Show($"校准成功！误差 {CalibrationErrorPercent:F2}% 在允许范围内（≤2%）。", "校准结果");
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else
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MessageBox.Show($"校准警告：误差 {CalibrationErrorPercent:F2}% 超出2%限值，请检查传感器或参考液。", "校准结果", MessageBoxButton.OK, MessageBoxImage.Warning);
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}
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catch (Exception ex)
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{
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CalibrationStatus = $"校准失败: {ex.Message}";
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MessageBox.Show($"校准失败: {ex.Message}", "错误");
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}
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finally
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{
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IsCalibrating = false;
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}
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}
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} |