314 lines
12 KiB
C#
314 lines
12 KiB
C#
using Microsoft.VisualBasic;
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using PetroleumViscosityTest.Controls;
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using PetroleumViscosityTest.Models;
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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.Windows;
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using System.Windows.Controls;
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namespace PetroleumViscosityTest
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{
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public partial class MainWindow : Window
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{
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private ViscosityTestData currentData;
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private List<double> rawTimes = new List<double>();
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public MainWindow()
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{
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InitializeComponent();
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currentData = new ViscosityTestData();
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dpTestDate.SelectedDate = DateTime.Today;
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UpdateThermostatTime();
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}
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// 温度变化时自动更新恒温时间（表2）
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private void TxtTestTemp_TextChanged(object sender, TextChangedEventArgs e)
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{
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UpdateThermostatTime();
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}
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private void UpdateThermostatTime()
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{
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if (double.TryParse(txtTestTemp.Text, out double temp))
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{
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int time = Models.Constants.GetThermostatTime(temp);
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txtThermostatTime.Text = time.ToString();
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}
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else
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{
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txtThermostatTime.Text = "";
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}
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}
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// 加载示例数据
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private void BtnLoadExample_Click(object sender, RoutedEventArgs e)
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{
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txtSampleID.Text = "S2026-001";
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txtSampleName.Text = "润滑油";
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txtTestTemp.Text = "50";
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txtConstant.Text = "0.4780";
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txtDensity.Text = "0.85";
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txtOperator.Text = "张三";
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txtRemark.Text = "示例数据";
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txtTime1.Text = "322.4";
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txtTime2.Text = "322.6";
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txtTime3.Text = "321.0";
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txtTime4.Text = "";
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txtTime5.Text = "";
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txtTime6.Text = "";
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UpdateThermostatTime();
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txtStatus.Text = "示例数据已加载";
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}
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// 清空所有输入
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private void BtnClearAll_Click(object sender, RoutedEventArgs e)
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{
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txtSampleID.Clear();
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txtSampleName.Clear();
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txtTestTemp.Clear();
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txtConstant.Clear();
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txtDensity.Clear();
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txtOperator.Clear();
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txtRemark.Clear();
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txtTime1.Clear();
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txtTime2.Clear();
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txtTime3.Clear();
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txtTime4.Clear();
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txtTime5.Clear();
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txtTime6.Clear();
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txtAvgTime.Clear();
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txtViscosity.Clear();
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txtDynamicViscosity.Clear();
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txtValidCount.Clear();
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txtPrecisionJudge.Clear();
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txtRepeatability.Clear();
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txtReproducibility.Clear();
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txtMeasuredRepeatability.Clear();
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txtRepeatJudge.Clear();
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lstRawTimes.ItemsSource = null;
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rawTimes.Clear();
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txtStatus.Text = "已清空";
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}
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// 清空流动时间
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private void BtnClearTimes_Click(object sender, RoutedEventArgs e)
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{
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txtTime1.Clear();
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txtTime2.Clear();
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txtTime3.Clear();
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txtTime4.Clear();
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txtTime5.Clear();
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txtTime6.Clear();
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rawTimes.Clear();
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lstRawTimes.ItemsSource = null;
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}
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// 增加一次测量（在界面中添加更多输入框，为简化，我们已预留6个）
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private void BtnAddMeasurement_Click(object sender, RoutedEventArgs e)
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{
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// 本版本固定6个输入框，无需动态增加
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MessageBox.Show("已支持最多6次测量，请直接在对应框中输入。", "提示");
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}
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// 核心计算：运动粘度、动力粘度、精密度
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private void BtnCalcViscosity_Click(object sender, RoutedEventArgs e)
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{
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try
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{
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// 1. 读取流动时间
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rawTimes = GetTimeValues();
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if (rawTimes.Count < 4)
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{
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MessageBox.Show("至少需要输入4次流动时间！", "数据不足", MessageBoxButton.OK, MessageBoxImage.Warning);
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return;
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}
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// 2. 读取常数、密度、温度
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if (!double.TryParse(txtConstant.Text, out double constant))
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{
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MessageBox.Show("请输入有效的粘度计常数 C", "参数错误", MessageBoxButton.OK, MessageBoxImage.Warning);
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return;
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}
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if (!double.TryParse(txtTestTemp.Text, out double temp))
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{
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MessageBox.Show("请输入试验温度", "参数错误", MessageBoxButton.OK, MessageBoxImage.Warning);
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return;
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}
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double density = 0;
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if (!string.IsNullOrWhiteSpace(txtDensity.Text))
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{
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if (!double.TryParse(txtDensity.Text, out density))
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{
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MessageBox.Show("密度格式错误，将不计算动力粘度", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
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}
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}
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// 3. 根据温度获取允许偏差（%）
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double allowedDeviationPercent = Models.Constants.GetAllowedDeviation(temp);
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double allowedDeviation = 0;
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// 4. 计算平均值、筛选有效数据
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List<double> validTimes = new List<double>();
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double avg = rawTimes.Average();
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bool continueCalc = true;
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int maxIterations = 10; // 防止死循环
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while (continueCalc && maxIterations-- > 0)
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{
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validTimes = rawTimes.Where(t => Math.Abs(t - avg) <= avg * allowedDeviationPercent / 100.0).ToList();
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if (validTimes.Count >= 3)
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{
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double newAvg = validTimes.Average();
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if (Math.Abs(newAvg - avg) < 0.0001)
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continueCalc = false;
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else
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avg = newAvg;
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}
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else
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{
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break;
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}
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}
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if (validTimes.Count < 3)
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{
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MessageBox.Show("有效测量次数不足3次，无法计算！请检查数据是否离散过大。", "精密度超差", MessageBoxButton.OK, MessageBoxImage.Error);
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return;
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}
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double finalAvg = validTimes.Average();
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// 5. 计算运动粘度
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double viscosity = constant * finalAvg;
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// 6. 计算动力粘度（如果有密度）
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double dynamicViscosity = 0;
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if (density > 0)
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{
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dynamicViscosity = viscosity * density;
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}
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// 7. 计算本次测量的重复性（相对极差）
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double measuredRepeatability = 0;
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if (validTimes.Count > 1)
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{
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measuredRepeatability = (validTimes.Max() - validTimes.Min()) / finalAvg * 100;
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}
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// 8. 获取标准重复性限
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double stdRepeatability = Models.Constants.GetRepeatabilityLimit(temp);
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// 9. 更新UI
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txtAvgTime.Text = finalAvg.ToString("F3");
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txtViscosity.Text = viscosity.ToString("G4"); // 四位有效数字
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if (density > 0)
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txtDynamicViscosity.Text = dynamicViscosity.ToString("G4");
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else
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txtDynamicViscosity.Text = "未计算";
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txtValidCount.Text = $"{validTimes.Count} / {rawTimes.Count}";
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txtMeasuredRepeatability.Text = measuredRepeatability.ToString("F2") + "%";
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txtRepeatability.Text = stdRepeatability.ToString("F1") + "%";
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txtReproducibility.Text = Models.Constants.GetReproducibilityLimit(temp).ToString("F1") + "%";
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bool repeatOK = measuredRepeatability <= stdRepeatability;
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txtRepeatJudge.Text = repeatOK ? "合格" : $"超差 (允许 ≤ {stdRepeatability:F1}%)";
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txtRepeatJudge.Foreground = repeatOK ? System.Windows.Media.Brushes.Green : System.Windows.Media.Brushes.Red;
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txtPrecisionJudge.Text = repeatOK ? "精密度符合要求" : "精密度不符合要求，建议重新测试";
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// 10. 显示原始数据
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lstRawTimes.ItemsSource = rawTimes.Select((t, i) => new { Display = $"第{i + 1}次: {t:F3}s" }).ToList();
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// 11. 保存当前数据到模型
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currentData.SampleID = txtSampleID.Text;
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currentData.SampleName = txtSampleName.Text;
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currentData.TestTemp = temp;
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currentData.Constant = constant;
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currentData.Density = density > 0 ? density : (double?)null;
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currentData.RawTimes = rawTimes;
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currentData.ValidTimes = validTimes;
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currentData.AvgTime = finalAvg;
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currentData.Viscosity = viscosity;
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currentData.DynamicViscosity = dynamicViscosity;
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currentData.Operator = txtOperator.Text;
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currentData.TestDate = dpTestDate.SelectedDate ?? DateTime.Now;
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currentData.Remark = txtRemark.Text;
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currentData.Repeatability = measuredRepeatability;
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currentData.IsRepeatabilityOK = repeatOK;
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txtStatus.Text = $"计算完成，有效次数 {validTimes.Count}，运动粘度 {viscosity:G4} mm²/s";
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}
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catch (Exception ex)
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{
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MessageBox.Show($"计算错误: {ex.Message}", "异常", MessageBoxButton.OK, MessageBoxImage.Error);
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}
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}
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// 从文本框获取流动时间列表
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private List<double> GetTimeValues()
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{
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var list = new List<double>();
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AddIfValid(txtTime1, list);
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AddIfValid(txtTime2, list);
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AddIfValid(txtTime3, list);
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AddIfValid(txtTime4, list);
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AddIfValid(txtTime5, list);
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AddIfValid(txtTime6, list);
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return list;
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}
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private void AddIfValid(TextBox tb, List<double> list)
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{
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if (!string.IsNullOrWhiteSpace(tb.Text) && double.TryParse(tb.Text, out double val))
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{
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list.Add(val);
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}
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}
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// 生成原始记录
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private void BtnGenRecord_Click(object sender, RoutedEventArgs e)
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{
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if (currentData.Viscosity <= 0)
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{
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MessageBox.Show("请先计算运动粘度！", "无数据", MessageBoxButton.OK, MessageBoxImage.Warning);
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return;
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}
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var record = new TestRecordControl();
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record.LoadData(currentData);
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ReportContent.Content = record;
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}
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// 生成测试报告
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private void BtnGenReport_Click(object sender, RoutedEventArgs e)
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{
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if (currentData.Viscosity <= 0)
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{
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MessageBox.Show("请先计算运动粘度！", "无数据", MessageBoxButton.OK, MessageBoxImage.Warning);
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return;
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}
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var report = new TestReportControl();
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report.LoadData(currentData);
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ReportContent.Content = report;
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}
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// 打印预览
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private void BtnPrintPreview_Click(object sender, RoutedEventArgs e)
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{
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if (ReportContent.Content == null)
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{
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MessageBox.Show("请先生成记录或报告", "无报表", MessageBoxButton.OK, MessageBoxImage.Information);
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return;
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}
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if (ReportContent.Content is FrameworkElement visual)
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{
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PrintDialog printDialog = new PrintDialog();
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if (printDialog.ShowDialog() == true)
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{
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printDialog.PrintVisual(visual, "粘度测试报表");
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}
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}
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}
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}
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} |