当因为算子参数输入不合理，或者执行异常，要在状态栏显示

XplorePlane/Services/Pipeline/PipelineExecutionService.cs

@@ -37,11 +37,10 @@ namespace XplorePlane.Services
             if (enabledNodes.Count == 0)
                 return source;
 
-            // 大图像预览缩放
             var current = ScaleForPreview(source);
 
-            int total = enabledNodes.Count;
+            var total = enabledNodes.Count;
-            for (int step = 0; step < total; step++)
+            for (var step = 0; step < total; step++)
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
@@ -53,15 +52,14 @@ namespace XplorePlane.Services
 
                 if (invalidParameters.Count > 0)
                 {
+                    var invalidParameterText = string.Join("、", invalidParameters);
                     throw new PipelineExecutionException(
-                        $"算子 '{node.DisplayName}' 存在无效参数：{string.Join("、", invalidParameters)}",
+                        $"算子 '{node.DisplayName}' 存在无效参数：{invalidParameterText}",
                         node.Order,
                         node.OperatorKey);
                 }
 
-                var parameters = node.Parameters
+                var parameters = node.Parameters.ToDictionary(p => p.Name, p => p.Value);
-                    .Where(p => p.IsValueValid)
-                    .ToDictionary(p => p.Name, p => p.Value);
 
                 try
                 {
@@ -69,9 +67,12 @@ namespace XplorePlane.Services
                         current, node.OperatorKey, parameters, null, cancellationToken);
 
                     if (current == null)
+                    {
                         throw new PipelineExecutionException(
-                            $"算子 '{node.OperatorKey}' 返回了空图像",
+                            $"算子 '{node.DisplayName}' 返回了空图像",
-                            node.Order, node.OperatorKey);
+                            node.Order,
+                            node.OperatorKey);
+                    }
                 }
                 catch (OperationCanceledException)
                 {
@@ -85,7 +86,9 @@ namespace XplorePlane.Services
                 {
                     throw new PipelineExecutionException(
                         $"算子 '{node.DisplayName}' 执行失败：{ex.Message}",
-                        node.Order, node.OperatorKey, ex);
+                        node.Order,
+                        node.OperatorKey,
+                        ex);
                 }
 
                 progress?.Report(new PipelineProgress(step + 1, total, node.DisplayName));
@@ -102,7 +105,7 @@ namespace XplorePlane.Services
             if (source.PixelWidth <= UhdThreshold && source.PixelHeight <= UhdThreshold)
                 return source;
 
-            double scale = (double)PreviewMaxHeight / source.PixelHeight;
+            var scale = (double)PreviewMaxHeight / source.PixelHeight;
             if (source.PixelWidth * scale > UhdThreshold)
                 scale = (double)UhdThreshold / source.PixelWidth;
 

XplorePlane/ViewModels/ImageProcessing/PipelineEditorViewModel.cs

@@ -34,6 +34,7 @@ namespace XplorePlane.ViewModels
         private string _pipelineName = "新建流水线";
         private string _selectedDevice = string.Empty;
         private bool _isExecuting;
+        private bool _isStatusError;
         private string _statusMessage = string.Empty;
         private string _currentFilePath;
 
@@ -148,6 +149,12 @@ namespace XplorePlane.ViewModels
             set => SetProperty(ref _statusMessage, value);
         }
 
+        public bool IsStatusError
+        {
+            get => _isStatusError;
+            private set => SetProperty(ref _isStatusError, value);
+        }
+
         // ── Commands ──────────────────────────────────────────────────
 
         public DelegateCommand<string> AddOperatorCommand { get; }
@@ -329,7 +336,12 @@ namespace XplorePlane.ViewModels
                 vm.PropertyChanged += (_, e) =>
                 {
                     if (e.PropertyName == nameof(ProcessorParameterVM.Value))
+                    {
+                        if (TryReportInvalidParameters())
+                            return;
+
                         TriggerDebouncedExecution();
+                    }
                 };
                 node.Parameters.Add(vm);
             }
@@ -339,36 +351,39 @@ namespace XplorePlane.ViewModels
         {
             if (SourceImage == null || IsExecuting) return;
 
+            if (TryReportInvalidParameters())
+                return;
+
             _executionCts?.Cancel();
             _executionCts = new CancellationTokenSource();
             var token = _executionCts.Token;
 
             IsExecuting = true;
-            StatusMessage = "正在执行流水线...";
+            SetInfoStatus("正在执行流水线...");
 
             try
             {
                 var progress = new Progress<PipelineProgress>(p =>
-                    StatusMessage = $"执行中：{p.CurrentOperator} ({p.CurrentStep}/{p.TotalSteps})");
+                    SetInfoStatus($"执行中：{p.CurrentOperator} ({p.CurrentStep}/{p.TotalSteps})"));
 
                 var result = await _executionService.ExecutePipelineAsync(
                     PipelineNodes, SourceImage, progress, token);
 
                 PreviewImage = result;
-                StatusMessage = "流水线执行完成";
+                SetInfoStatus("流水线执行完成");
                 PublishPipelinePreviewUpdated(result, StatusMessage);
             }
             catch (OperationCanceledException)
             {
-                StatusMessage = "流水线执行已取消";
+                SetInfoStatus("流水线执行已取消");
             }
             catch (PipelineExecutionException ex)
             {
-                StatusMessage = $"节点 '{ex.FailedOperatorKey}' 执行失败：{ex.Message}";
+                SetErrorStatus($"执行失败：{ex.Message}");
             }
             catch (Exception ex)
             {
-                StatusMessage = $"执行错误：{ex.Message}";
+                SetErrorStatus($"执行错误：{ex.Message}");
             }
             finally
             {
@@ -376,6 +391,36 @@ namespace XplorePlane.ViewModels
             }
         }
 
+        private bool TryReportInvalidParameters()
+        {
+            var firstInvalidNode = PipelineNodes
+                .Where(n => n.IsEnabled)
+                .OrderBy(n => n.Order)
+                .FirstOrDefault(n => n.Parameters.Any(p => !p.IsValueValid));
+
+            if (firstInvalidNode == null)
+                return false;
+
+            var invalidNames = firstInvalidNode.Parameters
+                .Where(p => !p.IsValueValid)
+                .Select(p => p.DisplayName);
+            SetErrorStatus($"参数错误：算子 '{firstInvalidNode.DisplayName}' 的 {string.Join("、", invalidNames)} 输入不合理，请修正后重试。");
+            return true;
+        }
+
+        private void SetInfoStatus(string message)
+        {
+            IsStatusError = false;
+            StatusMessage = message;
+        }
+
+        private void SetErrorStatus(string message)
+        {
+            IsStatusError = true;
+            StatusMessage = message;
+            PublishPipelinePreviewUpdated(PreviewImage ?? SourceImage, message);
+        }
+
         private void LoadImage()
         {
             var dialog = new OpenFileDialog

XplorePlane/ViewModels/ImageProcessing/ProcessorParameterVM.cs

@@ -53,8 +53,40 @@ namespace XplorePlane.ViewModels
             set
             {
                 var normalizedValue = NormalizeValue(value);
-                if (SetProperty(ref _value, normalizedValue))
+                if (!Equals(_value, normalizedValue))
+                {
+                    _value = normalizedValue;
                     ValidateValue(normalizedValue);
+                    RaisePropertyChanged(nameof(Value));
+                    RaisePropertyChanged(nameof(BoolValue));
+                    RaisePropertyChanged(nameof(SelectedOption));
+                }
+            }
+        }
+
+        public bool BoolValue
+        {
+            get => ParameterType == "bool" && TryConvertToBool(_value, out var boolValue) && boolValue;
+            set
+            {
+                if (ParameterType == "bool")
+                {
+                    Value = value;
+                }
+            }
+        }
+
+        public string SelectedOption
+        {
+            get => HasOptions
+                ? Convert.ToString(_value, CultureInfo.InvariantCulture) ?? string.Empty
+                : string.Empty;
+            set
+            {
+                if (HasOptions)
+                {
+                    Value = value;
+                }
             }
         }
 

XplorePlane/Views/ImageProcessing/PipelineEditorView.xaml

@@ -285,7 +285,7 @@
                                         FontFamily="Microsoft YaHei UI"
                                         FontSize="11"
                                         ItemsSource="{Binding Options}"
-                                        SelectedItem="{Binding Value, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}">
+                                        SelectedItem="{Binding SelectedOption, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}">
                                         <ComboBox.Style>
                                             <Style TargetType="ComboBox">
                                                 <Setter Property="Visibility" Value="Collapsed" />
@@ -302,7 +302,7 @@
                                         VerticalAlignment="Center"
                                         FontFamily="Microsoft YaHei UI"
                                         FontSize="11"
-                                        IsChecked="{Binding Value, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}">
+                                        IsChecked="{Binding BoolValue, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}">
                                         <CheckBox.Style>
                                             <Style TargetType="CheckBox">
                                                 <Setter Property="Visibility" Value="Collapsed" />
@@ -324,15 +324,35 @@
             <Border
                 Grid.Row="4"
                 Padding="6,4"
-                Background="#F5F5F5"
-                BorderBrush="{StaticResource PanelBorder}"
                 BorderThickness="0,1,0,0">
+                <Border.Style>
+                    <Style TargetType="Border">
+                        <Setter Property="Background" Value="#F5F5F5" />
+                        <Setter Property="BorderBrush" Value="{StaticResource PanelBorder}" />
+                        <Style.Triggers>
+                            <DataTrigger Binding="{Binding IsStatusError}" Value="True">
+                                <Setter Property="Background" Value="#FFF1F1" />
+                                <Setter Property="BorderBrush" Value="#D9534F" />
+                            </DataTrigger>
+                        </Style.Triggers>
+                    </Style>
+                </Border.Style>
                 <TextBlock
                     FontFamily="{StaticResource CsdFont}"
                     FontSize="11"
-                    Foreground="#555"
                     Text="{Binding StatusMessage, StringFormat='Status: {0}'}"
-                    TextTrimming="CharacterEllipsis" />
+                    TextTrimming="CharacterEllipsis">
+                    <TextBlock.Style>
+                        <Style TargetType="TextBlock">
+                            <Setter Property="Foreground" Value="#555" />
+                            <Style.Triggers>
+                                <DataTrigger Binding="{Binding IsStatusError}" Value="True">
+                                    <Setter Property="Foreground" Value="#A12A2A" />
+                                </DataTrigger>
+                            </Style.Triggers>
+                        </Style>
+                    </TextBlock.Style>
+                </TextBlock>
             </Border>
         </Grid>
     </Border>