实现了添加设备的功能，并写了Object对象的扩展CopyTo方法，实现了数据表的创建。

App.xaml.cs

@@ -3,6 +3,7 @@ using System.Data;
 using System.Windows;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
+using PMSWPF.Data.Repositories;
 using PMSWPF.Services;
 using PMSWPF.ViewModels;
 using PMSWPF.Views;
@@ -21,6 +22,7 @@ namespace PMSWPF
         {
             var container = new ServiceCollection();
             container.AddSingleton<NavgatorServices>();
+            container.AddSingleton<DevicesRepositories>();
             container.AddSingleton<IDeviceDialogService, DeviceDialogService>();
             container.AddSingleton<MainViewModel>();
             container.AddSingleton<HomeViewModel>();

Data/Entities/DbDevice.cs

@@ -1,10 +1,16 @@
+using SqlSugar;
+
 namespace PMSWPF.Data.Entities;
 
+[SugarTable("Device")]
 public class DbDevice
 {
+    
+    [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]//数据库是自增才配自增 
     public int  Id { get; set; }
     public string Name { get; set; }
     public string Description { get; set; }
+    public string Ip { get; set; }
     public bool IsActive { get; set; }
     public bool IsRuning { get; set; }
     

Data/Repositories/DevicesRepositories.cs

@@ -1,17 +1,29 @@
 using PMSWPF.Data.Entities;
+using PMSWPF.Excptions;
 
 namespace PMSWPF.Data.Repositories;
 
 public class DevicesRepositories:BaseRepositories
 {
-    public DevicesRepositories()
+    public DevicesRepositories():base()
     {
-        
+       var tableExist= _db.DbMaintenance.IsAnyTable<DbDevice>();
+       if (!tableExist)
+       {
+           _db.CodeFirst.InitTables<DbDevice>();
+       }
     }
     
     public async Task<int> Add(DbDevice dbDevice)
     {
-      return await _db.Insertable<DbDevice>(dbDevice).ExecuteCommandAsync();
+       var exist=await _db.Queryable<DbDevice>().Where(d=>d.Name==dbDevice.Name).FirstAsync();
+       if (exist != null)
+       {
+           throw new DbExistException("设备名称已经存在。");
+       }
+      var res= await _db.Insertable<DbDevice>(dbDevice).ExecuteCommandAsync();
+      
+      return res;
     }
     
     public async Task<List<DbDevice>> GetAll()

Exceptions/DbExistException.cs

@@ -0,0 +1,10 @@
+namespace PMSWPF.Excptions;
+
+public class DbExistException: Exception
+{
+    public DbExistException() : base() { }
+
+    public DbExistException(string message) : base(message) { }
+
+    public DbExistException(string message, System.Exception innerException) : base(message, innerException) { }
+}

Extensions/ObjectExtensions.cs

@@ -0,0 +1,28 @@
+using System.Reflection;
+
+namespace PMSWPF.Extensions;
+
+public static class ObjectExtensions
+{
+    /// <summary>
+    /// 对象转换，将source对象上的所有属性的值，都转换到target对象上
+    /// </summary>
+    /// <param name="source"></param>
+    /// <param name="target"></param>
+    /// <typeparam name="T"></typeparam>
+    public static void CopyTo<T>(this Object source ,T target)
+    {
+        var sourceType = source.GetType();
+        var targetType = target.GetType();
+       var sourceProperties = sourceType.GetProperties();
+       foreach (PropertyInfo sourceProperty in sourceProperties)
+       {
+           PropertyInfo targetProperty = targetType.GetProperty(sourceProperty.Name);
+           if (targetProperty!= null && targetProperty.CanWrite && sourceProperty.CanRead && targetProperty.PropertyType == sourceProperty.PropertyType)
+           {
+               object value = sourceProperty.GetValue(source, null);
+               targetProperty.SetValue(target, value, null);
+           }
+       }
+    }
+}

Models/Device.cs

@@ -1,6 +1,20 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+
 namespace PMSWPF.Models;
 
-public class Device
+public partial class Device:ObservableObject
 {
+    [ObservableProperty]
+    private int id;
+    [ObservableProperty]
+    private string name;
+    [ObservableProperty]
+    private string description ;
+    [ObservableProperty]
+    private string ip ;
+    [ObservableProperty]
+    private bool isActive ;
+    [ObservableProperty]
+    private bool isRuning ;
     
 }

Services/DeviceDialogService.cs

@@ -8,7 +8,7 @@ public class DeviceDialogService : IDeviceDialogService
 {
     public async Task<Device> ShowAddDeviceDialog(Device device)
     {
-        DeviceDialogViewModel ddvm = new DeviceDialogViewModel()
+        DeviceDialogViewModel ddvm = new DeviceDialogViewModel(device)
         {
             Title = "添加设备"
         };

ViewModels/DevicesViewModel.cs

@@ -1,4 +1,10 @@
-using CommunityToolkit.Mvvm.Input;
+using System.Windows;
+using CommunityToolkit.Mvvm.Input;
+using PMSWPF.Data.Entities;
+using PMSWPF.Data.Repositories;
+using PMSWPF.Excptions;
+using PMSWPF.Extensions;
+using PMSWPF.Helper;
 using PMSWPF.Models;
 using PMSWPF.Services;
 using PMSWPF.ViewModels.Dialogs;
@@ -9,17 +15,36 @@ namespace PMSWPF.ViewModels;
 public partial class DevicesViewModel : ViewModelBase
 {
     private readonly IDeviceDialogService _deviceDialogService;
+    private readonly DevicesRepositories _devicesRepositories;
 
-    public DevicesViewModel(IDeviceDialogService deviceDialogService)
+    public DevicesViewModel(IDeviceDialogService deviceDialogService,DevicesRepositories devicesRepositories)
     {
         _deviceDialogService = deviceDialogService;
+        _devicesRepositories = devicesRepositories;
     }
 
 
     [RelayCommand]
     public async void AddDevice()
     {
-        Device device = new Device();
+        try
-        await _deviceDialogService.ShowAddDeviceDialog(device);
+        {
+            Device device = new Device();
+            await _deviceDialogService.ShowAddDeviceDialog(device);
+            DbDevice dbDevice = new DbDevice();
+            device.CopyTo<DbDevice>(dbDevice);
+            await _devicesRepositories.Add(dbDevice);
+        }
+        catch (DbExistException e)
+        {
+            Console.WriteLine(e);
+            MessageBox.Show(e.Message);
+
+        }
+        catch (Exception e)
+        {
+            Console.WriteLine(e);
+            MessageBox.Show(e.Message);
+        }
     }
 }

ViewModels/Dialogs/DeviceDialogViewModel.cs

@@ -1,13 +1,28 @@
 using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using PMSWPF.Extensions;
+using PMSWPF.Models;
 
 namespace PMSWPF.ViewModels.Dialogs;
 
 public partial class DeviceDialogViewModel:ObservableObject
 {
+    private readonly Device _saveDevice;
+
     [ObservableProperty]
     private string title="添加设备";
-    public DeviceDialogViewModel()
+    [ObservableProperty]
+    private Device device;
+    public DeviceDialogViewModel(Device saveDevice)
     {
-        
+        _saveDevice = saveDevice;
+        this.device = new Device();
+    }
+
+
+    [RelayCommand]
+    public void AddDevice()
+    {
+        this.device.CopyTo<Device>(_saveDevice);
     }
 }

Views/Dialogs/DeviceDialog.xaml

@@ -11,40 +11,46 @@
     Title="{Binding Title}"
     d:DesignHeight="756"
     d:DesignWidth="700"
-    CloseButtonClick="OnCloseButtonClick"
     CloseButtonText="取消"
     Closed="OnClosed"
     DefaultButton="Primary"
-    PrimaryButtonClick="OnPrimaryButtonClick"
+    PrimaryButtonCommand="{Binding AddDeviceCommand}"
     PrimaryButtonText="添加"
     FullSizeDesired="False"
     IsShadowEnabled="True"
     d:DataContext="{d:DesignInstance vmd:DeviceDialogViewModel}"
     mc:Ignorable="d">
     <ikw:SimpleStackPanel  Spacing="12">
+        <TextBox ui:ControlHelper.Header="设备名称"
+                 Text="{Binding Device.Name, UpdateSourceTrigger=PropertyChanged}" />
+        <TextBox ui:ControlHelper.Header="设备描述"
+                 Text="{Binding Device.Description, UpdateSourceTrigger=PropertyChanged}" />
+       
         <TextBox
             ui:ControlHelper.Header="设备IP地址:"
             AcceptsReturn="True"
-            Text="{Binding ElementName=dialog, Path=Title, UpdateSourceTrigger=PropertyChanged}" />
+            Text="{Binding Device.Ip, UpdateSourceTrigger=PropertyChanged}" />
-        <TextBox ui:ControlHelper.Header="PrimaryButtonText"
+        
-                 Text="{Binding ElementName=dialog, Path=PrimaryButtonText, UpdateSourceTrigger=PropertyChanged}" />
+        <CheckBox Content="是否启用" IsChecked="{Binding Device.IsActive}" />
-        <TextBox ui:ControlHelper.Header="SecondaryButtonText"
+        <!-- <TextBox ui:ControlHelper.Header="PrimaryButtonText" -->
-                 Text="{Binding ElementName=dialog, Path=SecondaryButtonText, UpdateSourceTrigger=PropertyChanged}" />
+        <!--          Text="{Binding ElementName=dialog, Path=PrimaryButtonText, UpdateSourceTrigger=PropertyChanged}" /> -->
-        <TextBox ui:ControlHelper.Header="CloseButtonText"
+        <!-- <TextBox ui:ControlHelper.Header="SecondaryButtonText" -->
-                 Text="{Binding ElementName=dialog, Path=CloseButtonText, UpdateSourceTrigger=PropertyChanged}" />
+        <!--          Text="{Binding ElementName=dialog, Path=SecondaryButtonText, UpdateSourceTrigger=PropertyChanged}" /> -->
-        <ComboBox
+        <!-- <TextBox ui:ControlHelper.Header="CloseButtonText" -->
-            ui:ControlHelper.Header="DefaultButton"
+        <!--          Text="{Binding ElementName=dialog, Path=CloseButtonText, UpdateSourceTrigger=PropertyChanged}" /> -->
-            ItemsSource="{Binding Source={x:Type ui:ContentDialogButton}}"
+        <!-- <ComboBox -->
-            SelectedItem="{Binding ElementName=dialog, Path=DefaultButton}" />
+        <!--     ui:ControlHelper.Header="DefaultButton" -->
-        <CheckBox Content="FullSizeDesired" IsChecked="{Binding ElementName=dialog, Path=FullSizeDesired}" />
+        <!--     ItemsSource="{Binding Source={x:Type ui:ContentDialogButton}}" -->
-        <CheckBox Content="IsShadowEnabled" IsChecked="{Binding ElementName=dialog, Path=IsShadowEnabled}" />
+        <!--     SelectedItem="{Binding ElementName=dialog, Path=DefaultButton}" /> -->
-        <StackPanel>
+        <!-- -->
-            <Button Click="TryOpenAnother" Content="Try to open another ContentDialog" />
+        <!-- <CheckBox Content="IsShadowEnabled" IsChecked="{Binding ElementName=dialog, Path=IsShadowEnabled}" /> -->
-            <TextBlock
+        <!-- <StackPanel> -->
-                x:Name="ErrorText"
+        <!--     <Button Click="TryOpenAnother" Content="Try to open another ContentDialog" /> -->
-                Margin="0,8,0,0"
+        <!--     <TextBlock -->
-                Foreground="{DynamicResource SystemControlErrorTextForegroundBrush}"
+        <!--         x:Name="ErrorText" -->
-                Visibility="Collapsed" />
+        <!--         Margin="0,8,0,0" -->
-        </StackPanel>
+        <!--         Foreground="{DynamicResource SystemControlErrorTextForegroundBrush}" -->
+        <!--         Visibility="Collapsed" /> -->
+        <!-- </StackPanel> -->
     </ikw:SimpleStackPanel>
 </ui:ContentDialog>

Views/Dialogs/DeviceDialog.xaml.cs

@@ -41,8 +41,8 @@ public partial class DeviceDialog
 
     private void OnClosed(ContentDialog sender, ContentDialogClosedEventArgs args)
     {
-        ErrorText.Text = string.Empty;
+        // ErrorText.Text = string.Empty;
-        ErrorText.Visibility = Visibility.Collapsed;
+        // ErrorText.Visibility = Visibility.Collapsed;
     }
 }