实现了设备详情页面，并添加了在设备界面点击对应的设备直接跳转到设备详情页面

ViewModels/DeviceDetailViewModel.cs

@@ -1,6 +1,151 @@
-namespace PMSWPF.ViewModels;
+using System.Collections.ObjectModel;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using PMSWPF.Data.Repositories;
+using PMSWPF.Helper;
+using PMSWPF.Models;
+using PMSWPF.Services;
 
-public class DeviceDetailViewModel:ViewModelBase
+namespace PMSWPF.ViewModels;
+
+public partial class DeviceDetailViewModel : ViewModelBase
 {
+    private readonly IDialogService _dialogService;
+    private readonly VarTableRepository _varTableRepository;
 
+    [ObservableProperty]
+    private Device _currentDevice;
+
+    [ObservableProperty]
+    private VariableTable _selectedVariableTable;
+
+    public DeviceDetailViewModel(IDialogService dialogService, VarTableRepository varTableRepository)
+    {
+        _dialogService = dialogService;
+        _varTableRepository = varTableRepository;
+    }
+
+    public override void OnLoaded()
+    {
+        // Ensure VariableTables is an ObservableCollection for UI binding
+        // if (_curentDevice.VariableTables != null &&
+        //     !(_curentDevice.VariableTables is ObservableCollection<VariableTable>))
+        // {
+        //     _curentDevice.VariableTables = new ObservableCollection<VariableTable>(_curentDevice.VariableTables);
+        // }
+        // else if (_curentDevice.VariableTables == null)
+        // {
+        //     _curentDevice.VariableTables = new ObservableCollection<VariableTable>();
+        // }
+    }
+
+    [RelayCommand]
+    private async Task AddVariableTable()
+    {
+        try
+        {
+            var newVarTable = await _dialogService.ShowAddVarTableDialog();
+            if (newVarTable == null) return;
+
+            newVarTable.DeviceId = CurrentDevice.Id;
+            newVarTable = await _varTableRepository.AddAsync(newVarTable);
+            if (newVarTable != null)
+            {
+                CurrentDevice.VariableTables.Add(newVarTable);
+                NotificationHelper.ShowSuccess($"变量表 {newVarTable.Name} 添加成功。");
+            }
+            else
+            {
+                NotificationHelper.ShowError($"变量表 {newVarTable.Name} 添加失败。");
+            }
+        }
+        catch (Exception ex)
+        {
+            NotificationHelper.ShowError($"添加变量表时发生错误: {ex.Message}", ex);
+        }
+    }
+
+    [RelayCommand]
+    private async Task EditVariableTable()
+    {
+        if (SelectedVariableTable == null)
+        {
+            NotificationHelper.ShowInfo("请选择要编辑的变量表。");
+            return;
+        }
+
+        try
+        {
+            var editedVarTable = await _dialogService.ShowEditVarTableDialog(SelectedVariableTable);
+            if (editedVarTable == null) return;
+
+            // The dialog already updated the SelectedVariableTable if it returned a non-null value
+            // So we just need to save it to the database
+            var result = await _varTableRepository.UpdateAsync(SelectedVariableTable);
+            if (result > 0)
+            {
+                NotificationHelper.ShowSuccess($"变量表 {SelectedVariableTable.Name} 编辑成功。");
+            }
+            else
+            {
+                NotificationHelper.ShowError($"变量表 {SelectedVariableTable.Name} 编辑失败。");
+            }
+        }
+        catch (Exception ex)
+        {
+            NotificationHelper.ShowError($"编辑变量表时发生错误: {ex.Message}", ex);
+        }
+    }
+
+    [RelayCommand]
+    private async Task DeleteVariableTable()
+    {
+        if (SelectedVariableTable == null)
+        {
+            NotificationHelper.ShowInfo("请选择要删除的变量表。");
+            return;
+        }
+
+        var confirm = await _dialogService.ShowConfrimeDialog(
+            "删除确认",
+            $"确定要删除变量表 \"{SelectedVariableTable.Name}\" 吗?\n\n此操作将同时删除该变量表下的所有变量数据，且无法恢复！",
+            "删除");
+
+        if (!confirm) return;
+
+        try
+        {
+            var result = await _varTableRepository.DeleteAsync(SelectedVariableTable);
+            if (result > 0)
+            {
+                CurrentDevice.VariableTables.Remove(SelectedVariableTable);
+                NotificationHelper.ShowSuccess($"变量表 {SelectedVariableTable.Name} 删除成功。");
+            }
+            else
+            {
+                NotificationHelper.ShowError($"变量表 {SelectedVariableTable.Name} 删除失败。");
+            }
+        }
+        catch (Exception ex)
+        {
+            NotificationHelper.ShowError($"删除变量表时发生错误: {ex.Message}", ex);
+        }
+    }
+
+    // Placeholder for EditDeviceCommand and DeleteDeviceCommand if they are needed here
+    [RelayCommand]
+    private async Task EditDevice()
+    {
+        // Implement device editing logic, similar to AddDeviceCommand but for existing device
+        NotificationHelper.ShowInfo("编辑设备功能待实现。");
+        await Task.CompletedTask;
+    }
+
+    [RelayCommand]
+    private async Task DeleteDevice()
+    {
+        // Implement device deletion logic
+        NotificationHelper.ShowInfo("删除设备功能待实现。");
+        await Task.CompletedTask;
+    }
 }