Migrate desktop app to Avalonia and publish cross-platform releases

Views/DataInputWindow.axaml

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+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        x:Class="kcsj.Views.DataInputWindow"
+        Title="数据输入"
+        Width="900"
+        Height="700"
+        MinWidth="720"
+        MinHeight="580"
+        WindowStartupLocation="CenterOwner">
+  <DockPanel Margin="24">
+    <Grid DockPanel.Dock="Bottom" ColumnDefinitions="*,Auto" Margin="0,18,0,0">
+      <TextBlock x:Name="InputStatusText"
+                 VerticalAlignment="Center"
+                 Foreground="{DynamicResource SystemControlForegroundBaseMediumBrush}"
+                 Text="请选择文件或切换到手动输入。" />
+      <Button Grid.Column="1" MinWidth="92" Content="关闭" Click="Cancel_Click" />
+    </Grid>
+
+    <TabControl x:Name="DataTabs">
+      <TabItem Header="从文件导入">
+        <Grid Margin="18" RowDefinitions="Auto,Auto,Auto,*" RowSpacing="14">
+          <Grid ColumnDefinitions="120,*,Auto" ColumnSpacing="10">
+            <TextBlock VerticalAlignment="Center" Text="已知点文件" />
+            <TextBox x:Name="KnownPathTextBox" Grid.Column="1" IsReadOnly="True" PlaceholderText="请选择 TXT 文件" />
+            <Button Grid.Column="2" Content="浏览…" Click="BrowseKnownFile_Click" />
+          </Grid>
+
+          <Grid Grid.Row="1" ColumnDefinitions="120,*,Auto" ColumnSpacing="10">
+            <TextBlock VerticalAlignment="Center" Text="观测数据文件" />
+            <TextBox x:Name="ObservationPathTextBox" Grid.Column="1" IsReadOnly="True" PlaceholderText="请选择 TXT 文件" />
+            <Button Grid.Column="2" Content="浏览…" Click="BrowseObservationFile_Click" />
+          </Grid>
+
+          <StackPanel Grid.Row="2" Orientation="Horizontal" Spacing="10">
+            <Button MinWidth="110" Content="预览数据" Click="PreviewFiles_Click" />
+            <Button MinWidth="110" Content="导入数据" Click="ImportFiles_Click" />
+          </StackPanel>
+
+          <Grid Grid.Row="3" ColumnDefinitions="*,*" ColumnSpacing="14">
+            <Grid RowDefinitions="Auto,*">
+              <TextBlock Margin="0,0,0,8" FontWeight="SemiBold" Text="已知点预览" />
+              <TextBox x:Name="KnownPreviewTextBox"
+                       Grid.Row="1"
+                       IsReadOnly="True"
+                       AcceptsReturn="True"
+                       TextWrapping="NoWrap"
+                       ScrollViewer.HorizontalScrollBarVisibility="Auto"
+                       ScrollViewer.VerticalScrollBarVisibility="Auto"
+                       FontFamily="Consolas,Menlo,monospace" />
+            </Grid>
+            <Grid Grid.Column="1" RowDefinitions="Auto,*">
+              <TextBlock Margin="0,0,0,8" FontWeight="SemiBold" Text="观测数据预览" />
+              <TextBox x:Name="ObservationPreviewTextBox"
+                       Grid.Row="1"
+                       IsReadOnly="True"
+                       AcceptsReturn="True"
+                       TextWrapping="NoWrap"
+                       ScrollViewer.HorizontalScrollBarVisibility="Auto"
+                       ScrollViewer.VerticalScrollBarVisibility="Auto"
+                       FontFamily="Consolas,Menlo,monospace" />
+            </Grid>
+          </Grid>
+        </Grid>
+      </TabItem>
+
+      <TabItem Header="手动输入">
+        <Grid Margin="18" RowDefinitions="Auto,*,Auto" RowSpacing="14">
+          <Border Padding="12"
+                  Background="{DynamicResource SystemControlBackgroundBaseLowBrush}"
+                  CornerRadius="6">
+            <TextBlock TextWrapping="Wrap"
+                       Text="每行一条数据，可使用空格、Tab 或逗号分隔；空行以及以 # 或 // 开头的行会被忽略。" />
+          </Border>
+
+          <Grid Grid.Row="1" ColumnDefinitions="*,*" ColumnSpacing="14">
+            <Grid RowDefinitions="Auto,*">
+              <TextBlock Margin="0,0,0,8" FontWeight="SemiBold" Text="已知点（点名 高程）" />
+              <TextBox x:Name="ManualKnownTextBox"
+                       Grid.Row="1"
+                       AcceptsReturn="True"
+                       TextWrapping="NoWrap"
+                       ScrollViewer.HorizontalScrollBarVisibility="Auto"
+                       ScrollViewer.VerticalScrollBarVisibility="Auto"
+                       PlaceholderText="例如：&#10;BM1 100.0000"
+                       FontFamily="Consolas,Menlo,monospace" />
+            </Grid>
+            <Grid Grid.Column="1" RowDefinitions="Auto,*">
+              <TextBlock Margin="0,0,0,8" FontWeight="SemiBold" Text="观测数据（起点 终点 高差 距离）" />
+              <TextBox x:Name="ManualObservationTextBox"
+                       Grid.Row="1"
+                       AcceptsReturn="True"
+                       TextWrapping="NoWrap"
+                       ScrollViewer.HorizontalScrollBarVisibility="Auto"
+                       ScrollViewer.VerticalScrollBarVisibility="Auto"
+                       PlaceholderText="例如：&#10;BM1 P1 1.2345 2.5"
+                       FontFamily="Consolas,Menlo,monospace" />
+            </Grid>
+          </Grid>
+
+          <StackPanel Grid.Row="2" Orientation="Horizontal" Spacing="10">
+            <Button MinWidth="110" Content="检查并预览" Click="PreviewManual_Click" />
+            <Button MinWidth="110" Content="保存数据" Click="SaveManual_Click" />
+          </StackPanel>
+        </Grid>
+      </TabItem>
+    </TabControl>
+  </DockPanel>
+</Window>

Views/DataInputWindow.axaml.cs

@@ -0,0 +1,182 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+using Avalonia.Platform.Storage;
+using kcsj.Models;
+using kcsj.Services;
+
+namespace kcsj.Views;
+
+public partial class DataInputWindow : Window
+{
+    private static readonly FilePickerFileType TextFileType = new("文本文件")
+    {
+        Patterns = ["*.txt"],
+        MimeTypes = ["text/plain"]
+    };
+
+    private TabControl TabsControl => this.FindControl<TabControl>("DataTabs")!;
+    private TextBlock StatusControl => this.FindControl<TextBlock>("InputStatusText")!;
+    private TextBox KnownPathControl => this.FindControl<TextBox>("KnownPathTextBox")!;
+    private TextBox ObservationPathControl => this.FindControl<TextBox>("ObservationPathTextBox")!;
+    private TextBox KnownPreviewControl => this.FindControl<TextBox>("KnownPreviewTextBox")!;
+    private TextBox ObservationPreviewControl => this.FindControl<TextBox>("ObservationPreviewTextBox")!;
+    private TextBox ManualKnownControl => this.FindControl<TextBox>("ManualKnownTextBox")!;
+    private TextBox ManualObservationControl => this.FindControl<TextBox>("ManualObservationTextBox")!;
+
+    private List<KnownPoint> _fileKnownPoints = [];
+    private List<Observation> _fileObservations = [];
+
+    public DataInputWindow()
+        : this(0)
+    {
+    }
+
+    public DataInputWindow(int selectedTab)
+    {
+        AvaloniaXamlLoader.Load(this);
+        TabsControl.SelectedIndex = Math.Clamp(selectedTab, 0, 1);
+    }
+
+    private async void BrowseKnownFile_Click(object? sender, RoutedEventArgs e)
+    {
+        string? path = await PickTextFileAsync("选择已知点高程文件");
+        if (path is not null)
+        {
+            KnownPathControl.Text = path;
+            _fileKnownPoints = [];
+        }
+    }
+
+    private async void BrowseObservationFile_Click(object? sender, RoutedEventArgs e)
+    {
+        string? path = await PickTextFileAsync("选择观测数据文件");
+        if (path is not null)
+        {
+            ObservationPathControl.Text = path;
+            _fileObservations = [];
+        }
+    }
+
+    private async Task<string?> PickTextFileAsync(string title)
+    {
+        IReadOnlyList<IStorageFile> files = await StorageProvider.OpenFilePickerAsync(
+            new FilePickerOpenOptions
+            {
+                Title = title,
+                AllowMultiple = false,
+                FileTypeFilter = [TextFileType, FilePickerFileTypes.All]
+            });
+
+        return files.FirstOrDefault()?.Path.LocalPath;
+    }
+
+    private async void PreviewFiles_Click(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            LoadFileData();
+            ShowFilePreview();
+            StatusControl.Text = $"预览完成：{_fileKnownPoints.Count} 个已知点，{_fileObservations.Count} 条观测。";
+            LogService.AddLog("文件数据预览成功。");
+        }
+        catch (Exception exception)
+        {
+            ClearFilePreview();
+            LogService.AddLog("数据预览失败：" + exception.Message);
+            await DialogWindow.ShowMessageAsync(this, "数据预览失败", exception.Message);
+        }
+    }
+
+    private async void ImportFiles_Click(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            LoadFileData();
+            DataStore.SetData(_fileKnownPoints, _fileObservations, "文件导入");
+            LogService.AddLog("文件数据导入成功。");
+            Close(true);
+        }
+        catch (Exception exception)
+        {
+            LogService.AddLog("导入失败：" + exception.Message);
+            await DialogWindow.ShowMessageAsync(this, "导入失败", exception.Message);
+        }
+    }
+
+    private async void PreviewManual_Click(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            (List<KnownPoint> knownPoints, List<Observation> observations) = ParseManualData();
+            StatusControl.Text = $"手动输入检查通过：{knownPoints.Count} 个已知点，{observations.Count} 条观测。";
+            await DialogWindow.ShowMessageAsync(
+                this,
+                "手动输入预览",
+                InputParser.BuildKnownPointsPreview(knownPoints) + "\n" +
+                InputParser.BuildObservationsPreview(observations));
+        }
+        catch (Exception exception)
+        {
+            LogService.AddLog("手动输入检查失败：" + exception.Message);
+            await DialogWindow.ShowMessageAsync(this, "输入错误", exception.Message);
+        }
+    }
+
+    private async void SaveManual_Click(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            (List<KnownPoint> knownPoints, List<Observation> observations) = ParseManualData();
+            DataStore.SetData(knownPoints, observations, "手动输入");
+            LogService.AddLog("手动输入数据已保存。");
+            Close(true);
+        }
+        catch (Exception exception)
+        {
+            LogService.AddLog("手动输入数据时发生错误：" + exception.Message);
+            await DialogWindow.ShowMessageAsync(this, "输入错误", exception.Message);
+        }
+    }
+
+    private void LoadFileData()
+    {
+        string knownPath = KnownPathControl.Text?.Trim() ?? string.Empty;
+        string observationPath = ObservationPathControl.Text?.Trim() ?? string.Empty;
+
+        if (string.IsNullOrWhiteSpace(knownPath))
+        {
+            throw new InvalidOperationException("请先选择已知点高程文件。");
+        }
+
+        if (string.IsNullOrWhiteSpace(observationPath))
+        {
+            throw new InvalidOperationException("请先选择观测数据文件。");
+        }
+
+        _fileKnownPoints = InputParser.ReadKnownPointsFile(knownPath);
+        _fileObservations = InputParser.ReadObservationsFile(observationPath);
+    }
+
+    private void ShowFilePreview()
+    {
+        KnownPreviewControl.Text = InputParser.BuildKnownPointsPreview(_fileKnownPoints);
+        ObservationPreviewControl.Text = InputParser.BuildObservationsPreview(_fileObservations);
+    }
+
+    private void ClearFilePreview()
+    {
+        _fileKnownPoints = [];
+        _fileObservations = [];
+        KnownPreviewControl.Text = string.Empty;
+        ObservationPreviewControl.Text = string.Empty;
+    }
+
+    private (List<KnownPoint> KnownPoints, List<Observation> Observations) ParseManualData() =>
+        (
+            InputParser.ParseKnownPointsText(ManualKnownControl.Text ?? string.Empty),
+            InputParser.ParseObservationsText(ManualObservationControl.Text ?? string.Empty)
+        );
+
+    private void Cancel_Click(object? sender, RoutedEventArgs e) => Close(false);
+}

Views/DialogWindow.cs

@@ -0,0 +1,73 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Layout;
+using Avalonia.Media;
+
+namespace kcsj.Views;
+
+public sealed class DialogWindow : Window
+{
+    private DialogWindow(string title, string message, bool showCancel)
+    {
+        Title = title;
+        CanResize = false;
+        SizeToContent = SizeToContent.WidthAndHeight;
+        WindowStartupLocation = WindowStartupLocation.CenterOwner;
+        MinWidth = 360;
+        MaxWidth = 560;
+
+        TextBlock messageText = new()
+        {
+            Text = message,
+            TextWrapping = TextWrapping.Wrap,
+            MaxWidth = 500,
+            FontSize = 15
+        };
+
+        Button confirmButton = new()
+        {
+            Content = "确定",
+            MinWidth = 88,
+            HorizontalContentAlignment = HorizontalAlignment.Center
+        };
+        confirmButton.Click += (_, _) => Close(true);
+
+        StackPanel buttons = new()
+        {
+            Orientation = Orientation.Horizontal,
+            HorizontalAlignment = HorizontalAlignment.Right,
+            Spacing = 10
+        };
+
+        if (showCancel)
+        {
+            Button cancelButton = new()
+            {
+                Content = "取消",
+                MinWidth = 88,
+                HorizontalContentAlignment = HorizontalAlignment.Center
+            };
+            cancelButton.Click += (_, _) => Close(false);
+            buttons.Children.Add(cancelButton);
+        }
+
+        buttons.Children.Add(confirmButton);
+
+        StackPanel content = new() { Spacing = 24 };
+        content.Children.Add(messageText);
+        content.Children.Add(buttons);
+
+        Content = new Border
+        {
+            Padding = new Thickness(24),
+            Background = Brushes.Transparent,
+            Child = content
+        };
+    }
+
+    public static Task ShowMessageAsync(Window owner, string title, string message) =>
+        new DialogWindow(title, message, false).ShowDialog<bool>(owner);
+
+    public static Task<bool> ConfirmAsync(Window owner, string title, string message) =>
+        new DialogWindow(title, message, true).ShowDialog<bool>(owner);
+}

Views/MainWindow.axaml

@@ -0,0 +1,70 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        x:Class="kcsj.Views.MainWindow"
+        Title="水准网平差程序"
+        Width="980"
+        Height="680"
+        MinWidth="780"
+        MinHeight="560"
+        WindowStartupLocation="CenterScreen">
+  <DockPanel>
+    <Menu DockPanel.Dock="Top">
+      <MenuItem Header="数据管理">
+        <MenuItem Header="从文件导入" Click="OpenFileInput_Click" />
+        <MenuItem Header="手动输入" Click="OpenManualInput_Click" />
+        <Separator />
+        <MenuItem Header="删除当前数据" Click="ClearData_Click" />
+        <MenuItem Header="数据检查" Click="CheckData_Click" />
+      </MenuItem>
+      <MenuItem Header="开始平差" Click="RunAdjustment_Click" />
+      <MenuItem Header="查看结果" Click="ShowResult_Click" />
+      <MenuItem Header="输出报告" Click="ExportReport_Click" />
+      <MenuItem Header="关于" Click="About_Click" />
+    </Menu>
+
+    <Border DockPanel.Dock="Bottom"
+            Padding="12,7"
+            Background="{DynamicResource SystemControlBackgroundBaseLowBrush}">
+      <TextBlock x:Name="DataStatusText" Text="当前未加载数据" />
+    </Border>
+
+    <Grid Margin="28" ColumnDefinitions="220,24,*" RowDefinitions="Auto,*">
+      <StackPanel Grid.ColumnSpan="3" Margin="0,0,0,24">
+        <TextBlock Text="水准网平差程序" FontSize="28" FontWeight="SemiBold" />
+        <TextBlock Margin="0,6,0,0"
+                   Text="基于 Avalonia 的跨平台水准测量间接平差工具"
+                   Foreground="{DynamicResource SystemControlForegroundBaseMediumBrush}" />
+      </StackPanel>
+
+      <StackPanel Grid.Row="1" Grid.Column="0" Spacing="12">
+        <Button Height="52" Content="数据输入" Click="OpenDataInput_Click" />
+        <Button Height="52" Content="数据检查" Click="CheckData_Click" />
+        <Button Height="52" Content="开始平差" Click="RunAdjustment_Click" />
+        <Button Height="52" Content="查看结果" Click="ShowResult_Click" />
+        <Button Height="52" Content="输出报告" Click="ExportReport_Click" />
+      </StackPanel>
+
+      <Border Grid.Row="1"
+              Grid.Column="2"
+              Padding="20"
+              BorderThickness="1"
+              BorderBrush="{DynamicResource SystemControlForegroundBaseLowBrush}"
+              CornerRadius="8">
+        <Grid RowDefinitions="Auto,*">
+          <Grid ColumnDefinitions="*,Auto" Margin="0,0,0,12">
+            <TextBlock Text="运行日志" FontSize="18" FontWeight="SemiBold" VerticalAlignment="Center" />
+            <Button Grid.Column="1" Content="清除日志" Click="ClearLog_Click" />
+          </Grid>
+          <TextBox x:Name="LogTextBox"
+                   Grid.Row="1"
+                   IsReadOnly="True"
+                   AcceptsReturn="True"
+                   TextWrapping="Wrap"
+                   ScrollViewer.VerticalScrollBarVisibility="Auto"
+                   ScrollViewer.HorizontalScrollBarVisibility="Disabled"
+                   FontFamily="Consolas,Menlo,monospace" />
+        </Grid>
+      </Border>
+    </Grid>
+  </DockPanel>
+</Window>

Views/MainWindow.axaml.cs

@@ -0,0 +1,221 @@
+using System.Text;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+using Avalonia.Platform.Storage;
+using Avalonia.Threading;
+using kcsj.Models;
+using kcsj.Services;
+
+namespace kcsj.Views;
+
+public partial class MainWindow : Window
+{
+    private TextBox LogControl => this.FindControl<TextBox>("LogTextBox")!;
+    private TextBlock DataStatusControl => this.FindControl<TextBlock>("DataStatusText")!;
+    private LeastSquaresResult? _lastResult;
+
+    public MainWindow()
+    {
+        AvaloniaXamlLoader.Load(this);
+        LogService.OnLog += ShowLog;
+        Closed += (_, _) => LogService.OnLog -= ShowLog;
+        LogService.AddLog("程序启动成功。当前界面框架：Avalonia。");
+        UpdateDataStatus();
+    }
+
+    private async void OpenDataInput_Click(object? sender, RoutedEventArgs e) =>
+        await OpenDataInputAsync(0);
+
+    private async void OpenFileInput_Click(object? sender, RoutedEventArgs e) =>
+        await OpenDataInputAsync(0);
+
+    private async void OpenManualInput_Click(object? sender, RoutedEventArgs e) =>
+        await OpenDataInputAsync(1);
+
+    private async Task OpenDataInputAsync(int selectedTab)
+    {
+        DataInputWindow window = new(selectedTab);
+        bool saved = await window.ShowDialog<bool>(this);
+        if (saved)
+        {
+            _lastResult = null;
+            UpdateDataStatus();
+        }
+    }
+
+    private async void CheckData_Click(object? sender, RoutedEventArgs e)
+    {
+        DataCheckResult result = DataCheck.Check(DataStore.KnownPoints, DataStore.Observations);
+        LogService.AddLog(result.ToLogText());
+
+        string message = result.IsValid
+            ? "数据检查通过，可以进行平差计算。"
+            : "数据检查未通过，请查看日志信息。";
+        await DialogWindow.ShowMessageAsync(this, "数据检查", message);
+    }
+
+    private async void RunAdjustment_Click(object? sender, RoutedEventArgs e) =>
+        await RunAdjustmentAsync();
+
+    private async Task<bool> RunAdjustmentAsync()
+    {
+        try
+        {
+            if (!DataStore.HasData)
+            {
+                await DialogWindow.ShowMessageAsync(this, "开始平差", "请先导入或输入已知点和观测数据。");
+                return false;
+            }
+
+            _lastResult = LeastSquaresAdjustmentService.Adjust(
+                DataStore.KnownPoints,
+                DataStore.Observations);
+
+            foreach ((string pointName, double elevation) in _lastResult.UnknownElevations)
+            {
+                double error = _lastResult.UnknownElevationErrors[pointName];
+                LogService.AddLog(
+                    $"{pointName} 平差高程 = {elevation:F4} m，中误差 = ±{FormatValue(error, 4)} m");
+            }
+
+            foreach (ObservationAdjustmentResult item in _lastResult.ObservationResults)
+            {
+                LogService.AddLog(
+                    $"第{item.Index}段 {item.FromPoint}->{item.ToPoint}：" +
+                    $"v = {item.Residual:F6}，平差后高差 = {item.AdjustedHeightDiff:F6}，" +
+                    $"中误差 = ±{FormatValue(item.AdjustedHeightDiffError, 6)} m");
+            }
+
+            await DialogWindow.ShowMessageAsync(this, "开始平差", "间接平差计算完成。");
+            return true;
+        }
+        catch (Exception exception)
+        {
+            LogService.AddLog("平差失败：" + exception.Message);
+            await DialogWindow.ShowMessageAsync(this, "平差失败", exception.Message);
+            return false;
+        }
+    }
+
+    private async void ShowResult_Click(object? sender, RoutedEventArgs e)
+    {
+        LeastSquaresResult? result = await GetResultOrRunAdjustmentAsync();
+        if (result is not null)
+        {
+            await new ResultWindow(result).ShowDialog(this);
+        }
+    }
+
+    private async Task<LeastSquaresResult?> GetResultOrRunAdjustmentAsync()
+    {
+        if (_lastResult is not null)
+        {
+            return _lastResult;
+        }
+
+        bool shouldRun = await DialogWindow.ConfirmAsync(
+            this,
+            "平差结果",
+            "当前还没有平差结果，是否立即进行平差计算？");
+
+        return shouldRun && await RunAdjustmentAsync() ? _lastResult : null;
+    }
+
+    private async void ExportReport_Click(object? sender, RoutedEventArgs e)
+    {
+        LeastSquaresResult? result = await GetResultOrRunAdjustmentAsync();
+        if (result is null)
+        {
+            return;
+        }
+
+        IReadOnlyList<IStorageFolder> folders = await StorageProvider.OpenFolderPickerAsync(
+            new FolderPickerOpenOptions
+            {
+                Title = "选择成果文件和报告文件的输出目录",
+                AllowMultiple = false
+            });
+
+        string? outputFolder = folders.FirstOrDefault()?.Path.LocalPath;
+        if (string.IsNullOrWhiteSpace(outputFolder))
+        {
+            return;
+        }
+
+        try
+        {
+            string heightPath = Path.Combine(outputFolder, "height.txt");
+            string surveyPath = Path.Combine(outputFolder, "survey.txt");
+            string reportPath = Path.Combine(outputFolder, "report.txt");
+
+            await File.WriteAllTextAsync(heightPath, Report.BuildHeightText(result), Encoding.UTF8);
+            await File.WriteAllTextAsync(surveyPath, Report.BuildSurveyText(result), Encoding.UTF8);
+            await File.WriteAllTextAsync(
+                reportPath,
+                Report.BuildReportText(DataStore.KnownPoints, DataStore.Observations, result),
+                Encoding.UTF8);
+
+            LogService.AddLog($"高程成果文件已输出：{heightPath}");
+            LogService.AddLog($"高差成果文件已输出：{surveyPath}");
+            LogService.AddLog($"平差报告已输出：{reportPath}");
+
+            bool shouldOpen = await DialogWindow.ConfirmAsync(
+                this,
+                "输出报告",
+                "输出完成，是否打开输出目录？");
+            if (shouldOpen)
+            {
+                PlatformLauncher.OpenFolder(outputFolder);
+            }
+        }
+        catch (Exception exception)
+        {
+            LogService.AddLog("输出报告失败：" + exception.Message);
+            await DialogWindow.ShowMessageAsync(this, "输出报告失败", exception.Message);
+        }
+    }
+
+    private async void ClearData_Click(object? sender, RoutedEventArgs e)
+    {
+        bool confirmed = await DialogWindow.ConfirmAsync(this, "二次确认", "确定要清空当前数据吗？");
+        if (!confirmed)
+        {
+            LogService.AddLog("用户取消清空数据。");
+            return;
+        }
+
+        DataStore.Clear();
+        _lastResult = null;
+        UpdateDataStatus();
+    }
+
+    private async void About_Click(object? sender, RoutedEventArgs e) =>
+        await DialogWindow.ShowMessageAsync(
+            this,
+            "关于",
+            "水准测量间接平差程序\n使用 Avalonia 构建，支持 Windows、macOS 和 Linux。\n运行时：.NET 8");
+
+    private void ClearLog_Click(object? sender, RoutedEventArgs e) => LogControl.Text = string.Empty;
+
+    private void ShowLog(string message)
+    {
+        Dispatcher.UIThread.Post(() =>
+        {
+            LogControl.Text = string.IsNullOrEmpty(LogControl.Text)
+                ? message
+                : LogControl.Text + Environment.NewLine + message;
+            LogControl.CaretIndex = LogControl.Text?.Length ?? 0;
+        });
+    }
+
+    private void UpdateDataStatus()
+    {
+        DataStatusControl.Text = DataStore.HasData
+            ? $"数据来源：{DataStore.DataSource}　已知点：{DataStore.KnownPoints.Count}　观测：{DataStore.Observations.Count}"
+            : "当前未加载数据";
+    }
+
+    private static string FormatValue(double value, int digits) =>
+        double.IsFinite(value) ? value.ToString($"F{digits}") : "无法计算";
+}

Views/ResultWindow.axaml

@@ -0,0 +1,24 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        x:Class="kcsj.Views.ResultWindow"
+        Title="平差结果"
+        Width="860"
+        Height="600"
+        MinWidth="680"
+        MinHeight="440"
+        WindowStartupLocation="CenterOwner">
+  <Grid Margin="20" RowDefinitions="*,Auto" RowSpacing="14">
+    <TextBox x:Name="ResultTextBox"
+             IsReadOnly="True"
+             AcceptsReturn="True"
+             TextWrapping="NoWrap"
+             ScrollViewer.HorizontalScrollBarVisibility="Auto"
+             ScrollViewer.VerticalScrollBarVisibility="Auto"
+             FontFamily="Consolas,Menlo,monospace" />
+    <Button Grid.Row="1"
+            HorizontalAlignment="Right"
+            MinWidth="92"
+            Content="关闭"
+            Click="Close_Click" />
+  </Grid>
+</Window>

Views/ResultWindow.axaml.cs

@@ -0,0 +1,23 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+using kcsj.Models;
+using kcsj.Services;
+
+namespace kcsj.Views;
+
+public partial class ResultWindow : Window
+{
+    public ResultWindow()
+    {
+        AvaloniaXamlLoader.Load(this);
+    }
+
+    public ResultWindow(LeastSquaresResult result)
+        : this()
+    {
+        this.FindControl<TextBox>("ResultTextBox")!.Text = Report.BuildResultText(result);
+    }
+
+    private void Close_Click(object? sender, RoutedEventArgs e) => Close();
+}