页面数据

头罩视野slove/头罩视野/Views/PageTest.xaml.cs

@@ -24,6 +24,7 @@ namespace 头罩视野.Views
 {
     public partial class PageTest : Page
     {
+
         /// 只加这一个变量
         private CancellationTokenSource? _cts;    
         private IModbusMaster _modbusMaster => ModbusResourceManager.Instance.ModbusMaster;
@@ -40,6 +41,7 @@ namespace 头罩视野.Views
         public PageTest()
         {
             InitializeComponent();
+
             System.Diagnostics.Debug.WriteLine("页面加载了！111111111");
             _timer = InitDispatcherTimer();
             // 2. 初始化定时器：500毫秒 执行一次
@@ -161,16 +163,28 @@ namespace 头罩视野.Views
             await _modbusMaster.WriteSingleCoilAsync(1, 11, false);
             //System.Diagnostics.Debug.WriteLine("正传end");
         }
-
+        // 在 PageTest 类里面
+        private RecordDate? GetRecordDatePage()
+        {
+            // 拿到主窗口
+            var mainWin = Application.Current.MainWindow;
+            // 假设你全局切换页面的 Frame 名字叫 MainFrame
+            var frame = mainWin.FindName("MainFrame") as Frame;
+            // 返回 RecordDate 实例
+            return frame?.Content as RecordDate;
+        }
 
         //测试btn  测试按钮：读取数据，存入共享列表
-        private  void Button_Click_Test(object sender, RoutedEventArgs e)
+        private void Button_Click_Test(object sender, RoutedEventArgs e)
 
         {
             ma.BtnClickFunction(Function.ButtonType.复归型, 100);
             ButtonTest.Content = "测试中....";
             testTimer.Start();
 
+            var recordPage = GetRecordDatePage();
+            recordPage?.StartPlcTimer();
+
         }
         //停止btn
         private void Button_Click_Stop(object sender, RoutedEventArgs e)
@@ -178,6 +192,8 @@ namespace 头罩视野.Views
             ma.BtnClickFunction(Function.ButtonType.复归型, 103);
             ButtonTest.Content = "测试";
             testTimer.Stop();
+            var recordPage = GetRecordDatePage();
+            recordPage?.StopPlcTimer();
 
         }
         private async void Timer_Tick(object sender, EventArgs e)

头罩视野slove/头罩视野/Views/RecordDate.xaml.cs

@@ -28,7 +28,7 @@ namespace 头罩视野.Views
 
     {
         private IModbusMaster _modbusMaster => ModbusResourceManager.Instance.ModbusMaster;
-        private System.Timers.Timer _plcReadTimer;
+        private System.Timers.Timer? _plcReadTimer;
         // 表跟数据存储列表
         private List<dynamic> LeftEyeDataList = new List<dynamic>();
         private List<dynamic> RightEyeDataList = new List<dynamic>();
@@ -52,7 +52,7 @@ namespace 头罩视野.Views
             DynamicHeader();
             // 2. 调用（名字和上面的变量一致）
             // 2. 启动定时器，定时读取数据（每100ms读一次）
-            StartPlcReadTimer(100);
+            //StartPlcReadTimer(100);
 
             //// 判断连接
             if (!ModbusHelper.IsConnected)
@@ -79,10 +79,22 @@ namespace 头罩视野.Views
                 });
             }
         }
-
-        //定时读取 PLC 数据
-        private void StartPlcReadTimer(int intervalMs)
+        public void StopPlcTimer()
         {
+            if (_plcReadTimer != null)
+            {
+                _plcReadTimer.Stop();
+                _plcReadTimer.Dispose();
+                _plcReadTimer = null;
+            }
+        }
+        //定时读取 PLC 数据
+        public void StartPlcReadTimer(int intervalMs)
+             
+        {
+            // 防止重复创建
+            if (_plcReadTimer != null && _plcReadTimer.Enabled)
+                return;
             _plcReadTimer = new System.Timers.Timer(intervalMs);
             _plcReadTimer.Elapsed += ReadPlcData;
             _plcReadTimer.Start();
@@ -310,6 +322,11 @@ namespace 头罩视野.Views
         private void GoRecord(object s, RoutedEventArgs e) => NavigationService.Content = new Views.RecordDate();
         private void GoView(object s, RoutedEventArgs e) => NavigationService.Content = new Views.RecordPage();
 
+        internal void StartPlcTimer()
+        {
+            throw new NotImplementedException();
+        }
+
         //NavigationService.Navigate(new Views.RecordDate()); 页面相互跳转
     }