通过MainWindow传递xaml中的实例myChart1 2 3到ChartManager进行初始化图表，然后通过SensorChartManager中实时通过时间发布发哦ChartManager中

2025-10-14 11:08:00 +08:00 · 2025-10-14 11:08:00 +08:00 · 48f2e586e8
commit 48f2e586e8
parent b802f2e89b
4 changed files with 228 additions and 76 deletions
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@ -32,7 +32,7 @@ public partial class MainWindow : Window
        db = databaseService;
        even = eventService;
        menu = new MenuController(this);// 初始化菜单控制器
-        sensorManager = new SensorChartManager(this)
+        sensorManager = new SensorChartManager(this, log, db, even)
        {
            Sensor1 = Sensor1,
            Sensor2 = Sensor2,
@ -51,13 +51,11 @@ public partial class MainWindow : Window
        
        WindowHelper.SetWindowTitle(this, "FMSDGAUGE"); // 设置标题

-        chartManager = new ChartManager(Dispatcher);
-        chartManager.InitCharts(myChart1, myChart2, myChart3); // 初始化图表
+        chartManager = new ChartManager(Dispatcher, log, db, even);
+        chartManager.InitChart(myChart1);
+        chartManager.InitChart(myChart2);
+        chartManager.InitChart(myChart3);

-        // 启动实时数据刷新
-        chartManager.StartAutoUpdate(myChart1, chartCts.Token, "myChart1");
-        chartManager.StartAutoUpdate(myChart2, chartCts.Token, "myChart2");
-        chartManager.StartAutoUpdate(myChart3, chartCts.Token, "myChart3");

    }

@ -93,6 +91,8 @@ public partial class MainWindow : Window
        {
            // 开始检测
            sensorManager.Start();
+            //chartManager.Start(); // 启动图表刷新
+            //chartManager.Clear();
            BtnSensorControl.Content = "检测确定";
            isDetecting = true;
        }
@ -100,6 +100,7 @@ public partial class MainWindow : Window
        {
            // 停止检测
            sensorManager.Stop();
+            //chartManager.Stop(); // 停止图表刷新
            BtnSensorControl.Content = "检测开始";
            isDetecting = false;
        }
--- a/Services/ChartManager.cs
+++ b/Services/ChartManager.cs
@ -1,15 +1,13 @@
 using guoke;
+using LiveCharts;
 using LiveCharts.Wpf;
-using System.Windows.Media;
+using System;
+using System.Collections.Generic;
 using System.Windows.Threading;
 using WpfApp.src.config;
-using WpfApp.Utils;

 namespace WpfApp.Services
 {
-    /// <summary>
-    /// Chart 管理器 - 负责图表初始化和实时更新
-    /// </summary>
    public class ChartManager
    {
        private readonly Dispatcher dispatcher;
@ -17,89 +15,185 @@ namespace WpfApp.Services
        private readonly DatabaseService db;
        private readonly EventService<GeneralEventArgs> even;

-        public ChartManager(Dispatcher uiDispatcher)
+        private const string SENSOR_DATA_EVENT = "SensorDataUpdate";
+
+        // 最大保留点数
+        private const int MAX_POINTS = 20;
+
+        // 每个图表的数据封装
+        private class ChartData
+        {
+            public ColumnSeries ColumnSeries;
+            public ChartValues<double> StandardMin = new ChartValues<double>();
+            public ChartValues<double> StandardAvg = new ChartValues<double>();
+            public ChartValues<double> StandardMax = new ChartValues<double>();
+            public List<string> Labels = new List<string>();
+        }
+
+        // 管理多个图表
+        private Dictionary<CartesianChart, ChartData> charts = new Dictionary<CartesianChart, ChartData>();
+
+        public ChartManager(Dispatcher uiDispatcher,
+                            LogService logService,
+                            DatabaseService databaseService,
+                            EventService<GeneralEventArgs> eventService)
        {
            dispatcher = uiDispatcher;
-        }
-        public ChartManager(LogService logService, DatabaseService databaseService, EventService<GeneralEventArgs> eventService)
-        {
            log = logService;
            db = databaseService;
            even = eventService;
+
+            SubscribeToSensorDataEvents();
        }

        /// <summary>
-        /// 初始化图表
+        /// 初始化图表（一次性设置标准线和柱状图）
        /// </summary>
-        public void InitCharts(params CartesianChart[] charts)
-        {
-            var labels = new[] { "13:27 23", "13:27 45", "13:27 49", "13:27 50", "13:27 55" };
-
-            var config = new ChartConfig
-            {
-                ColumnData = new List<double> { 20, 10, 12, 5, 9 },
-                Labels = labels.ToList(),
-                LineConfigs = new List<LineConfig>
-                {
-                    new LineConfig { Title = "标准1", Values = Enumerable.Repeat(5.0,5).ToList(), Stroke = Brushes.Blue },
-                    new LineConfig { Title = "标准2", Values = Enumerable.Repeat(10.0,5).ToList(), Stroke = Brushes.Green },
-                    new LineConfig { Title = "标准3", Values = Enumerable.Repeat(30.0,5).ToList(), Stroke = Brushes.Red, Unit="A" }
-                }
-            };
-
-            foreach (var chart in charts)
-            {
-                InitChart.InitCartesianChart(chart, config);
-            }
-        }
-
-        /// <summary>
-        /// 动态更新图表数据（线程安全）
-        /// </summary>
-        public void UpdateChart(CartesianChart chart, List<double> columnData, List<LineConfig> lineData)
+        public void InitChart(CartesianChart chart)
        {
            dispatcher.Invoke(() =>
            {
-                var config = new ChartConfig
+                if (chart == null) return;
+
+                // 如果已经初始化过，先清除
+                if (charts.ContainsKey(chart))
                {
-                    ColumnData = columnData,
-                    Labels = chart.AxisX[0].Labels.ToList(),
-                    LineConfigs = lineData
+                    charts.Remove(chart);
+                }
+
+                var data = new ChartData();
+                data.ColumnSeries = new ColumnSeries
+                {
+                    Title = "实时值",
+                    Values = new ChartValues<double>()
                };
-                InitChart.InitCartesianChart(chart, config);
+
+                var line1 = new LineSeries { Title = "标准下限", Values = data.StandardMin };
+                var line2 = new LineSeries { Title = "标准均值", Values = data.StandardAvg };
+                var line3 = new LineSeries { Title = "标准上限", Values = data.StandardMax };
+
+                chart.Series = new SeriesCollection { data.ColumnSeries, line1, line2, line3 };
+
+                chart.AxisX.Clear();
+                chart.AxisY.Clear();
+
+                chart.AxisX.Add(new Axis
+                {
+                    Title = "时间",
+                    Labels = data.Labels
+                });
+
+                chart.AxisY.Add(new Axis
+                {
+                    Title = "数值"
+                });
+
+                charts[chart] = data;
            });
        }

        /// <summary>
-        /// 模拟后台数据采集并实时刷新图表
+        /// 接收到传感器实时数据（单点更新）
        /// </summary>
-        public void StartAutoUpdate(CartesianChart chart, CancellationToken token)
+        private void OnSensorDataReceived(object sender, GeneralEventArgs e)
        {
-            Task.Run(async () =>
+            if (e is SensorDataEventArgs sensorArgs)
            {
-                var rand = new Random();
+                string chartTitle = sensorArgs.ChartTitle;  // 例如 "myChart1"
+                double value = sensorArgs.SensorValue;
+                string timeLabel = DateTime.Now.ToString("HH:mm:ss");

-                while (!token.IsCancellationRequested)
+                // 找到对应图表并更新
+                foreach (var chart in charts.Keys)
                {
-                    // 模拟采集数据
-                    var columnData = Enumerable.Range(0, 5).Select(_ => rand.NextDouble() * 50).ToList();
-                    // 这里实时获取从SensorChartManager中
-                    var lineData = new List<LineConfig>
+                    if (chart.Name == chartTitle)
                    {
-                        //new LineConfig { Title = "标准1", Values = Enumerable.Range(0,5).Select(_ => rand.NextDouble()*20).ToList(), Stroke = Brushes.Blue },
-                        //new LineConfig { Title = "标准2", Values = Enumerable.Range(0,5).Select(_ => rand.NextDouble()*30).ToList(), Stroke = Brushes.Green },
-                        //new LineConfig { Title = "标准3", Values = Enumerable.Range(0,5).Select(_ => rand.NextDouble()*40).ToList(), Stroke = Brushes.Yellow }
-                        new LineConfig { Title = "标准1", Values = new List<double> { 10, 10, 10, 10, 10 }, Stroke = Brushes.Blue },
-                        new LineConfig { Title = "标准2", Values = new List<double> { 20, 20, 20, 20, 20 }, Stroke = Brushes.Green },
-                        new LineConfig { Title = "标准3", Values = new List<double> { 30, 30, 30, 30, 30 }, Stroke = Brushes.Yellow }
-                    };
-
-                    // 更新图表（通过 Dispatcher 保证线程安全）
-                    UpdateChart(chart, columnData, lineData);
-
-                    await Task.Delay(6000); // 每秒更新一次
+                        UpdateChartPoint(chart, timeLabel, value);
+                        break;
+                    }
                }
-            }, token);
+            }
+        }
+
+
+        /// <summary>
+        /// 更新单个图表的数据点（柱状图 + 标准线 + X轴标签）
+        /// </summary>
+        public void UpdateChartPoint(CartesianChart chart, string label, double value)
+        {
+            if (chart == null || !charts.TryGetValue(chart, out var data))
+                return;
+
+            dispatcher.Invoke(() =>
+            {
+                // 保留四位小数
+                double roundedValue = Math.Round(value, 4);
+                data.ColumnSeries.Values.Add(roundedValue);
+                // 对标准线固定值，强制 double
+                data.StandardMin.Add(Math.Round((double)5, 4));
+                data.StandardAvg.Add(Math.Round((double)10, 4));
+                data.StandardMax.Add(Math.Round((double)30, 4));
+                data.Labels.Add(label);
+
+                // 超过最大点数时，移除最旧的数据
+                if (data.ColumnSeries.Values.Count > MAX_POINTS)
+                {
+                    data.ColumnSeries.Values.RemoveAt(0);
+                    data.StandardMin.RemoveAt(0);
+                    data.StandardAvg.RemoveAt(0);
+                    data.StandardMax.RemoveAt(0);
+                    data.Labels.RemoveAt(0);
+                }
+
+                // 刷新 X 轴标签
+                chart.AxisX[0].Labels = new List<string>(data.Labels);
+            });
+        }
+
+        /// <summary>
+        /// 手动添加数据到指定图表
+        /// </summary>
+        public void AddData(CartesianChart chart, double value, string label)
+        {
+            UpdateChartPoint(chart, label, value);
+        }
+
+        /// <summary>
+        /// 手动清除指定图表的数据
+        /// </summary>
+        public void ClearChart(CartesianChart chart)
+        {
+            if (chart == null || !charts.TryGetValue(chart, out var data))
+                return;
+
+            dispatcher.Invoke(() =>
+            {
+                data.ColumnSeries.Values.Clear();
+                data.StandardMin.Clear();
+                data.StandardAvg.Clear();
+                data.StandardMax.Clear();
+                data.Labels.Clear();
+                chart.AxisX[0].Labels.Clear();
+            });
+        }
+
+        /// <summary>
+        /// 清除所有图表
+        /// </summary>
+        public void ClearAllCharts()
+        {
+            foreach (var chart in charts.Keys)
+            {
+                ClearChart(chart);
+            }
+        }
+
+        /// <summary>
+        /// 订阅传感器数据事件
+        /// </summary>
+        private void SubscribeToSensorDataEvents()
+        {
+            even?.AddEventHandler(SENSOR_DATA_EVENT, OnSensorDataReceived);
        }
    }
 }
--- a/Services/SensorChartManager.cs
+++ b/Services/SensorChartManager.cs
@ -16,18 +16,18 @@ namespace WpfApp.Services
        private readonly DatabaseService db;
        private readonly EventService<GeneralEventArgs> even;

+        // 事件名称常量
+        private const string SENSOR_DATA_EVENT = "SensorDataUpdate";
+

        // 绑定的传感器控件
        public SensorChart Sensor1 { get; set; }
        public SensorChart Sensor2 { get; set; }
        public SensorChart Sensor3 { get; set; }

-        public SensorChartManager(Window owner)
+        public SensorChartManager(Window owner, LogService logService, DatabaseService databaseService, EventService<GeneralEventArgs> eventService)
        {
            dispatcherOwner = owner;
-        }
-        public SensorChartManager(LogService logService, DatabaseService databaseService, EventService<GeneralEventArgs> eventService)
-        {
            log = logService;
            db = databaseService;
            even = eventService;
@ -58,8 +58,11 @@ namespace WpfApp.Services
                        Sensor1.SetSensorData("传感器1", s1);
                        Sensor2.SetSensorData("传感器2", s2);
                        Sensor3.SetSensorData("传感器3", s3);
-                        // 这里应当跨线程将传感器1 2 3的同时将实时值传递到ChartManger中
-
+                        
+                        // 通过事件将传感器数据传递到ChartManager
+                        PublishSensorData("传感器1", s1, "myChart1");
+                        PublishSensorData("传感器2", s2, "myChart2");
+                        PublishSensorData("传感器3", s3, "myChart3");
                    });

                    await Task.Delay(1000); // 每1000毫秒采集一次
@ -74,5 +77,20 @@ namespace WpfApp.Services
        {
            cts?.Cancel();
        }
+
+        /// <summary>
+        /// 发布传感器数据事件
+        /// </summary>
+        /// <param name="sensorTitle">传感器标题</param>
+        /// <param name="sensorValue">传感器值</param>
+        /// <param name="chartTitle">图表标题</param>
+        private void PublishSensorData(string sensorTitle, double sensorValue, string chartTitle)
+        {
+            if (even != null)
+            {
+                var eventArgs = new SensorDataEventArgs(sensorTitle, sensorValue, chartTitle);
+                even.TriggerEvent(SENSOR_DATA_EVENT, this, eventArgs);
+            }
+        }
    }
 }
--- a/Services/SensorDataEventArgs.cs
+++ b/Services/SensorDataEventArgs.cs
@ -0,0 +1,39 @@
+using guoke;
+
+namespace WpfApp.Services
+{
+    /// <summary>
+    /// 传感器数据事件参数类，用于传递传感器的实时数据
+    /// </summary>
+    public class SensorDataEventArgs : GeneralEventArgs
+    {
+        /// <summary>
+        /// 传感器标题/名称
+        /// </summary>
+        public string SensorTitle { get; set; }
+
+        /// <summary>
+        /// 传感器实时值
+        /// </summary>
+        public double SensorValue { get; set; }
+
+        /// <summary>
+        /// 图表标题，用于区分不同的图表
+        /// </summary>
+        public string ChartTitle { get; set; }
+
+        /// <summary>
+        /// 初始化传感器数据事件参数
+        /// </summary>
+        /// <param name="sensorTitle">传感器标题</param>
+        /// <param name="sensorValue">传感器实时值</param>
+        /// <param name="chartTitle">图表标题</param>
+        public SensorDataEventArgs(string sensorTitle, double sensorValue, string chartTitle) 
+            : base($"传感器数据更新: {sensorTitle}", sensorValue)
+        {
+            SensorTitle = sensorTitle;
+            SensorValue = sensorValue;
+            ChartTitle = chartTitle;
+        }
+    }
+}