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feat(chart): 实现Ploss和Qfod图表真实数据加载

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2026-07-06 13:37:48 +08:00
parent cf4f24fde3
commit b422358c3a
4 changed files with 174 additions and 12 deletions
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82
src/WCTDataMiner.Wpf/ViewModels/PlossChartViewModel.cs
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@@ -1,8 +1,11 @@
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using CommunityToolkit.Mvvm.Messaging;
using LiveChartsCore;
using LiveChartsCore.SkiaSharpView;
using Microsoft.Extensions.Logging;
using WCTDataMiner.Core.Services;
using WCTDataMiner.Wpf.Messages;
namespace WCTDataMiner.Wpf.ViewModels;
@@ -26,6 +29,12 @@ public partial class PlossChartViewModel : ObservableObject
[ObservableProperty]
private Axis[] _yAxes;
[ObservableProperty]
private bool _isLoading;
[ObservableProperty]
private string _loadingMessage = "";
public PlossChartViewModel(
ScenarioService scenarioService,
ILogger<PlossChartViewModel> logger)
@@ -39,28 +48,93 @@ public partial class PlossChartViewModel : ObservableObject
YAxes = new Axis[] { new Axis { Name = "Power Loss (mW)" } };
}
/// <summary>
/// ScenarioId 属性变更时自动触发数据加载
/// </summary>
partial void OnScenarioIdChanged(Guid value)
{
if (value != Guid.Empty)
{
_ = LoadDataAsync().ContinueWith(t =>
{
if (t.Exception != null)
{
_logger.LogError(t.Exception, "LoadDataAsync 失败: ScenarioId={ScenarioId}", value);
}
}, TaskContinuationOptions.OnlyOnFaulted);
}
}
[RelayCommand]
private void SwitchToTable()
{
WeakReferenceMessenger.Default.Send(new NavigateToPlossTableMessage(ScenarioId));
}
public async Task LoadDataAsync()
{
if (IsLoading) return; // 防并发
IsLoading = true;
LoadingMessage = "正在加载数据...";
try
{
// TODO: 从数据库加载 Ploss 数据并构建图表
var records = await _scenarioService.GetPlossRecordsByScenarioIdAsync(ScenarioId);
if (records.Count == 0)
{
Series = Array.Empty<ISeries>();
_logger.LogWarning("未找到 Ploss 数据: ScenarioId={ScenarioId}", ScenarioId);
LoadingMessage = "无数据";
return;
}
// 构建 Ploss 曲线 (Field7) 和 Threshold 阈值线 (Field8)
var plossValues = records.Select(r => (double)r.Field7).ToArray();
var thresholdValues = records.Select(r => (double)r.Field8).ToArray();
var triggerLabels = records.Select(r => r.Field9.ToString()).ToArray();
Series = new ISeries[]
{
new LineSeries<double>
{
Name = "Ploss",
Values = new double[] { -2882, -3500, -4200, -3800, -4500 }
Values = plossValues,
Fill = null,
GeometrySize = 5
},
new LineSeries<double>
{
Name = "Threshold",
Values = new double[] { -3000, -3000, -3000, -3000, -3000 }
Values = thresholdValues,
Fill = null,
GeometrySize = 0,
LineSmoothness = 0 // 直线
}
};
// 更新 X 轴标签
XAxes = new Axis[]
{
new Axis
{
Name = "Trigger Count",
Labels = triggerLabels
}
};
_logger.LogInformation("加载 Ploss 图表数据成功: ScenarioId={ScenarioId}, 记录数={Count}", ScenarioId, records.Count);
LoadingMessage = "";
}
catch (Exception ex)
{
_logger.LogError(ex, "加载 Ploss 图表数据失败: ScenarioId={ScenarioId}", ScenarioId);
LoadingMessage = $"加载失败: {ex.Message}";
}
finally
{
IsLoading = false;
}
}
}
}

86
src/WCTDataMiner.Wpf/ViewModels/QfodChartViewModel.cs
View File

@@ -1,8 +1,11 @@
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using CommunityToolkit.Mvvm.Messaging;
using LiveChartsCore;
using LiveChartsCore.SkiaSharpView;
using Microsoft.Extensions.Logging;
using WCTDataMiner.Core.Services;
using WCTDataMiner.Wpf.Messages;
namespace WCTDataMiner.Wpf.ViewModels;
@@ -26,6 +29,12 @@ public partial class QfodChartViewModel : ObservableObject
[ObservableProperty]
private Axis[] _yAxes;
[ObservableProperty]
private bool _isLoading;
[ObservableProperty]
private string _loadingMessage = "";
public QfodChartViewModel(
ScenarioService scenarioService,
ILogger<QfodChartViewModel> logger)
@@ -39,28 +48,97 @@ public partial class QfodChartViewModel : ObservableObject
YAxes = new Axis[] { new Axis { Name = "Q Value" } };
}
/// <summary>
/// ScenarioId 属性变更时自动触发数据加载
/// </summary>
partial void OnScenarioIdChanged(Guid value)
{
if (value != Guid.Empty)
{
_ = LoadDataAsync().ContinueWith(t =>
{
if (t.Exception != null)
{
_logger.LogError(t.Exception, "LoadDataAsync 失败: ScenarioId={ScenarioId}", value);
}
}, TaskContinuationOptions.OnlyOnFaulted);
}
}
[RelayCommand]
private void SwitchToTable()
{
WeakReferenceMessenger.Default.Send(new NavigateToQfodTableMessage(ScenarioId));
}
public async Task LoadDataAsync()
{
if (IsLoading) return; // 防并发
IsLoading = true;
LoadingMessage = "正在加载数据...";
try
{
// TODO: 从数据库加载 Qfod 数据并构建图表
var records = await _scenarioService.GetQfodRecordsByScenarioIdAsync(ScenarioId);
if (records.Count == 0)
{
Series = Array.Empty<ISeries>();
_logger.LogWarning("未找到 Qfod 数据: ScenarioId={ScenarioId}", ScenarioId);
LoadingMessage = "无数据";
return;
}
// 构建 DeltaQ、CurrentQ、RawQ 三条曲线
var deltaQValues = records.Select(r => (double)r.DeltaQ).ToArray();
var currentQValues = records.Select(r => (double)r.CurrentQ).ToArray();
var rawQValues = records.Select(r => (double)r.RawQ).ToArray();
var coilLabels = records.Select(r => $"{r.ChargerIndex}-{r.CoilIndex}").ToArray();
Series = new ISeries[]
{
new LineSeries<double>
{
Name = "DeltaQ",
Values = new double[] { 25, 30, 28 }
Values = deltaQValues,
GeometrySize = 5
},
new LineSeries<double>
{
Name = "CurrentQ",
Values = new double[] { 45.5, 50.2, 48.8 }
Values = currentQValues,
GeometrySize = 5
},
new LineSeries<double>
{
Name = "RawQ",
Values = rawQValues,
GeometrySize = 5
}
};
// 更新 X 轴标签
XAxes = new Axis[]
{
new Axis
{
Name = "Charger-Coil Index",
Labels = coilLabels
}
};
_logger.LogInformation("加载 Qfod 图表数据成功: ScenarioId={ScenarioId}, 记录数={Count}", ScenarioId, records.Count);
LoadingMessage = "";
}
catch (Exception ex)
{
_logger.LogError(ex, "加载 Qfod 图表数据失败: ScenarioId={ScenarioId}", ScenarioId);
LoadingMessage = $"加载失败: {ex.Message}";
}
finally
{
IsLoading = false;
}
}
}
}

9
src/WCTDataMiner.Wpf/Views/PlossChartView.xaml
View File

@@ -9,16 +9,21 @@
d:DesignHeight="400" d:DesignWidth="600">
<Grid Margin="10">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<StackPanel Grid.Row="0" Orientation="Horizontal" Margin="0,0,0,10">
<TextBlock Text="Ploss 功率损耗趋势图" FontSize="18" FontWeight="Bold"/>
<TextBlock Text="{Binding ScenarioId, StringFormat=' - 场景 {0}'}" FontSize="18" Margin="5,0,0,0"/>
<TextBlock Text="{Binding ScenarioId, StringFormat=' - 场景 {0}'}" FontSize="14" Foreground="Gray" Margin="10,5,0,0"/>
</StackPanel>
<lvc:CartesianChart Grid.Row="1"
<StackPanel Grid.Row="1" Orientation="Horizontal" Margin="0,0,0,10">
<Button Content="切换到表格" Command="{Binding SwitchToTableCommand}" Padding="10,5"/>
</StackPanel>
<lvc:CartesianChart Grid.Row="2"
Series="{Binding Series}"
XAxes="{Binding XAxes}"
YAxes="{Binding YAxes}"

9
src/WCTDataMiner.Wpf/Views/QfodChartView.xaml
View File

@@ -9,16 +9,21 @@
d:DesignHeight="400" d:DesignWidth="600">
<Grid Margin="10">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<StackPanel Grid.Row="0" Orientation="Horizontal" Margin="0,0,0,10">
<TextBlock Text="Qfod Q值变化图" FontSize="18" FontWeight="Bold"/>
<TextBlock Text="{Binding ScenarioId, StringFormat=' - 场景 {0}'}" FontSize="18" Margin="5,0,0,0"/>
<TextBlock Text="{Binding ScenarioId, StringFormat=' - 场景 {0}'}" FontSize="14" Foreground="Gray" Margin="10,5,0,0"/>
</StackPanel>
<lvc:CartesianChart Grid.Row="1"
<StackPanel Grid.Row="1" Orientation="Horizontal" Margin="0,0,0,10">
<Button Content="切换到表格" Command="{Binding SwitchToTableCommand}" Padding="10,5"/>
</StackPanel>
<lvc:CartesianChart Grid.Row="2"
Series="{Binding Series}"
XAxes="{Binding XAxes}"
YAxes="{Binding YAxes}"