MainWindow.xaml.cs

@@ -8,6 +8,7 @@ using System.Linq;
 using System.Timers;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Threading;
 
 namespace PetroleumViscosityTest
 {
@@ -26,6 +27,12 @@ namespace PetroleumViscosityTest
         private System.Diagnostics.Stopwatch stopwatch2 = new System.Diagnostics.Stopwatch();
         private System.Diagnostics.Stopwatch stopwatch3 = new System.Diagnostics.Stopwatch();
         private System.Diagnostics.Stopwatch stopwatch4 = new System.Diagnostics.Stopwatch();
+
+        // 新增：四个 DispatcherTimer，用于实时更新
+        private DispatcherTimer timer1 = new DispatcherTimer();
+        private DispatcherTimer timer2 = new DispatcherTimer();
+        private DispatcherTimer timer3 = new DispatcherTimer();
+        private DispatcherTimer timer4 = new DispatcherTimer();
         // --------------------------------
 
         public MainWindow()
@@ -37,14 +44,27 @@ namespace PetroleumViscosityTest
 
             // --- 新增：初始化串口通信 ---
             InitSerialPort();
+
+            // 初始化 DispatcherTimer
+            timer1.Interval = TimeSpan.FromMilliseconds(100);
+            timer1.Tick += (s, e) => { txtTime1.Text = (stopwatch1.Elapsed.TotalSeconds).ToString("F3"); };
+
+            timer2.Interval = TimeSpan.FromMilliseconds(100);
+            timer2.Tick += (s, e) => { txtTime2.Text = (stopwatch2.Elapsed.TotalSeconds).ToString("F3"); };
+
+            timer3.Interval = TimeSpan.FromMilliseconds(100);
+            timer3.Tick += (s, e) => { txtTime3.Text = (stopwatch3.Elapsed.TotalSeconds).ToString("F3"); };
+
+            timer4.Interval = TimeSpan.FromMilliseconds(100);
+            timer4.Tick += (s, e) => { txtTime4.Text = (stopwatch4.Elapsed.TotalSeconds).ToString("F3"); };
             // --------------------------------
         }
-        
+
         private void InitSerialPort()
         {
             try
             {
-                serialPort = new SerialPort("COM6", 9600, Parity.None, 8, StopBits.One); // 请根据实际COM口修改
+                serialPort = new SerialPort("COM7", 9600, Parity.None, 8, StopBits.One); // 请根据实际COM口修改
                 serialPort.DataReceived += SerialPort_DataReceived;
                 serialPort.Open();
 
@@ -315,6 +335,21 @@ namespace PetroleumViscosityTest
             txtRepeatJudge.Clear();
             lstRawTimes.ItemsSource = null;
             rawTimes.Clear();
+
+            // 停止并重置所有计时器
+            timer1.Stop();
+            timer2.Stop();
+            timer3.Stop();
+            timer4.Stop();
+            stopwatch1.Reset();
+            stopwatch2.Reset();
+            stopwatch3.Reset();
+            stopwatch4.Reset();
+
+
+
+
+
             txtStatus.Text = "已清空";
         }
 
@@ -328,6 +363,15 @@ namespace PetroleumViscosityTest
             txtTime5.Clear();
             txtTime6.Clear();
             rawTimes.Clear();
+
+            timer1.Stop();
+            timer2.Stop();
+            timer3.Stop();
+            timer4.Stop();
+            stopwatch1.Reset();
+            stopwatch2.Reset();
+            stopwatch3.Reset();
+            stopwatch4.Reset();
             lstRawTimes.ItemsSource = null;
         }
 
@@ -539,12 +583,15 @@ namespace PetroleumViscosityTest
         // 第1次
         private void BtnStart1_Click(object sender, RoutedEventArgs e)
         {
+            timer1.Stop();
             stopwatch1.Reset();
             stopwatch1.Start();
+            timer1.Start();
         }
 
         private void BtnStop1_Click(object sender, RoutedEventArgs e)
         {
+            timer1.Stop();
             stopwatch1.Stop();
             txtTime1.Text = (stopwatch1.Elapsed.TotalSeconds).ToString("F3");
         }
@@ -552,12 +599,15 @@ namespace PetroleumViscosityTest
         // 第2次
         private void BtnStart2_Click(object sender, RoutedEventArgs e)
         {
+            timer2.Stop();
             stopwatch2.Reset();
             stopwatch2.Start();
+            timer2.Start();
         }
 
         private void BtnStop2_Click(object sender, RoutedEventArgs e)
         {
+            timer2.Stop();
             stopwatch2.Stop();
             txtTime2.Text = (stopwatch2.Elapsed.TotalSeconds).ToString("F3");
         }
@@ -565,12 +615,15 @@ namespace PetroleumViscosityTest
         // 第3次
         private void BtnStart3_Click(object sender, RoutedEventArgs e)
         {
+            timer3.Stop();
             stopwatch3.Reset();
             stopwatch3.Start();
+            timer3.Start();
         }
 
         private void BtnStop3_Click(object sender, RoutedEventArgs e)
         {
+            timer3.Stop();
             stopwatch3.Stop();
             txtTime3.Text = (stopwatch3.Elapsed.TotalSeconds).ToString("F3");
         }
@@ -578,12 +631,15 @@ namespace PetroleumViscosityTest
         // 第4次
         private void BtnStart4_Click(object sender, RoutedEventArgs e)
         {
+            timer4.Stop();
             stopwatch4.Reset();
             stopwatch4.Start();
+            timer4.Start();
         }
 
         private void BtnStop4_Click(object sender, RoutedEventArgs e)
         {
+            timer4.Stop();
             stopwatch4.Stop();
             txtTime4.Text = (stopwatch4.Elapsed.TotalSeconds).ToString("F3");
         }