Converters/DoubleStringConverter.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Globalization;
+using System.Windows.Data;
+
+namespace MembranePoreTester.Converters
+{
+    // 将 double 与 string 之间进行安全转换，避免在输入未完成时把值重置为 0
+    public class DoubleStringConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value == null) return string.Empty;
+            if (value is double d)
+            {
+                return d.ToString("G", culture);
+            }
+            return value.ToString();
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            var s = (value as string) ?? string.Empty;
+            s = s.Trim();
+            if (string.IsNullOrEmpty(s))
+            {
+                // 不强制将空字符串写回为0，避免用户输入时被覆盖
+                return Binding.DoNothing;
+            }
+
+            if (double.TryParse(s, NumberStyles.Any, culture, out double result))
+            {
+                return result;
+            }
+
+            // 如果解析失败，不更新源
+            return Binding.DoNothing;
+        }
+    }
+}

ViewModels/PoreDistributionViewModel.cs

@@ -251,7 +251,7 @@ namespace MembranePoreTester.ViewModels
         public ICommand RemoveDataPointCommand { get; }
         public ICommand CalculateCommand { get; }
         public ICommand GenerateReportCommand { get; }
-
+        private System.Windows.Threading.DispatcherTimer _timer;  // 添加定时器字段
         public PoreDistributionViewModel()
         {
             _plcService = App.PlcService;
@@ -272,11 +272,24 @@ namespace MembranePoreTester.ViewModels
 
             Record.DataPoints.CollectionChanged += (s, e) => UpdatePlot();
 
-            // 加到构造函数最后即可
             ClearAllCommand = new RelayCommand(ClearAllData);
 
             RemoveDataPointCommand = new RelayCommand(RemoveSelectedDataPoint, () => SelectedDataPoint != null);
 
+
+            // 启动定时器，每秒读取一次
+            _timer = new System.Windows.Threading.DispatcherTimer();
+            _timer.Interval = TimeSpan.FromSeconds(1);
+            _timer.Tick += async (s, e) =>
+            {
+                if (StationId > 0 && !IsDisposed)
+                {
+                    await ReadSpeedRateAsync();
+                }
+            };
+            _timer.Start();
+
+
             // 延迟2秒后读取，确保连接稳定
             Task.Delay(2000).ContinueWith(async _ =>
             {
@@ -290,6 +303,38 @@ namespace MembranePoreTester.ViewModels
             ClearData();
         }
 
+        private string _speedRate1;
+        public string SpeedRate1
+        {
+            get => _speedRate1;
+            set => SetProperty(ref _speedRate1, value);
+        }
+
+
+
+
+        private async Task ReadSpeedRateAsync()
+        {
+            try
+            {
+                float speedRate = 0;
+                switch (StationId)
+                {
+                    case 1:
+                        speedRate = await _plcService.ReadFloatAsync(_plcConfig.HPCoeff11); // 使用正确的地址
+                        SpeedRate1 = speedRate.ToString("F3");
+                        break;
+                        // case 2,3 可类似添加
+                }
+                // 如果需要刷新 Record 中的绑定（可选）
+                OnPropertyChanged(nameof(SpeedRate1));
+            }
+            catch (Exception ex)
+            {
+                System.Diagnostics.Debug.WriteLine($"读取加压速率失败: {ex.Message}");
+            }
+        }
+
         private async Task ReadPressureModeAsync()
         {
             await SafeExecuteAsync($"ReadPressureModeAsync{StationId}", async () =>

Views/BubblePointView.xaml

@@ -6,6 +6,7 @@
              xmlns:conv="clr-namespace:MembranePoreTester.Converters">
     <UserControl.Resources>
         <conv:InverseBooleanConverter x:Key="InverseBooleanConverter"/>
+        <conv:DoubleStringConverter x:Key="DoubleStringConverter"/>
 
         <Style TargetType="RadioButton">
             <Setter Property="Margin" Value="5,2"/>
@@ -53,7 +54,7 @@
                     <TextBox Grid.Row="1" Grid.Column="1" Text="{Binding Record.RoomTemperature}" Margin="5"/>-->
 
                     <Label Grid.Row="1" Grid.Column="0" Content="浸润时间(h):"/>
-                    <TextBox Grid.Row="1" Grid.Column="1" Text="{Binding Record.SoakingTime}" Margin="5"/>
+                    <TextBox Grid.Row="1" Grid.Column="1" Text="{Binding Record.SoakingTime, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged, Converter={StaticResource DoubleStringConverter}}" Margin="5"/>
 
                     <Label Grid.Row="2" Grid.Column="0" Content="加压速率:"/>
                     <TextBox Grid.Row="2" Grid.Column="1"  IsEnabled="False" Text="{Binding Record.SpeedRate1}" Margin="5"/>

Views/PoreDistributionView.xaml

@@ -6,6 +6,7 @@
              Background="#F5F7FA" >
     <UserControl.Resources>
         <conv:InverseBooleanConverter x:Key="InverseBooleanConverter"/>
+        <conv:DoubleStringConverter x:Key="DoubleStringConverter"/>
 
         <!-- 统一按钮样式 -->
         <Style TargetType="Button">
@@ -137,7 +138,7 @@
                     <TextBox Grid.Row="0" Grid.Column="3" Text="{Binding Record.RoomTemperature}"/>-->
 
                     <Label Grid.Row="1" Grid.Column="2" Content="浸润时间(h):"/>
-                    <TextBox Grid.Row="1" Grid.Column="3" Text="{Binding Record.SoakingTime}"/>
+                    <TextBox Grid.Row="1" Grid.Column="3" Text="{Binding Record.SoakingTime, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged, Converter={StaticResource DoubleStringConverter}}"/>
 
                     <Label Grid.Row="1" Grid.Column="0" Content="测试液体:"/>
                     <ComboBox Grid.Row="1" Grid.Column="1" ItemsSource="{Binding Liquids}" 
@@ -178,9 +179,14 @@
                         <TextBlock Text="L/min" VerticalAlignment="Center" Margin="5,0,0,0"/>
                     </StackPanel>-->
 
+                    <Label Grid.Row="4" Grid.Column="0" Content="加压速率:"/>
+                    <TextBox Grid.Row="4" Grid.Column="1"  IsEnabled="False" Text="{Binding SpeedRate1, StringFormat=F2}" Margin="5"/>
 
-                    <Label Grid.Row="4" Grid.Column="0" Content="实时流量(L/min):"/>
-                    <TextBox Grid.Row="4" Grid.Column="1" IsEnabled="False" Text="{Binding CurrentFlow, StringFormat=F2}"/>
+
+                    <Label Grid.Row="4" Grid.Column="2" Content="实时流量(L/min):"/>
+                    <TextBox Grid.Row="4" Grid.Column="3" IsEnabled="False" Text="{Binding CurrentFlow, StringFormat=F2}"/>
+                    <!--<Label Grid.Row="4" Grid.Column="0" Content="实时流量(L/min):"/>
+                    <TextBox Grid.Row="4" Grid.Column="1" IsEnabled="False" Text="{Binding CurrentFlow, StringFormat=F2}"/>-->
 
                 </Grid>
             </GroupBox>