完成打开导入OPC变量对话框自动连接服务器

Services/DialogService.cs

@@ -180,9 +180,10 @@ public class DialogService :IDialogService
         return result == ContentDialogResult.Primary ? vm.SelectedMqtt : null;
     }
 
-    public async Task<List<VariableData>> ShowOpcUaImportDialog()
+    public async Task<List<VariableData>> ShowOpcUaImportDialog(string endpointUrl)
     {
        var vm= new OpcUaImportDialogViewModel();
+       vm.EndpointUrl = endpointUrl;
         var dialog = new OpcUaImportDialog(vm);
         var result = await dialog.ShowAsync();
         return result == ContentDialogResult.Primary ? vm.GetSelectedVariables().ToList() : null;

Services/IDialogService.cs

@@ -22,5 +22,5 @@ public interface IDialogService
     ContentDialog ShowProcessingDialog(string title, string message);
     Task<PollLevelType?> ShowPollLevelDialog(PollLevelType pollLevelType);
     Task<Mqtt?> ShowMqttSelectionDialog();
-    Task<List<VariableData>> ShowOpcUaImportDialog();
+    Task<List<VariableData>> ShowOpcUaImportDialog(string endpointUrl);
 }

Services/OpcUaBackgroundService.cs

@@ -216,43 +216,76 @@ namespace PMSWPF.Services
             {
                 try
                 {
-                    // 1. 创建应用程序实例。
+                    // 1. 创建应用程序配置
-                    ApplicationInstance application = new ApplicationInstance
+            var application = new ApplicationInstance
-                    {
+                              {
-                        ApplicationName = "PMSWPF OPC UA Client",
+                                  ApplicationName = "OpcUADemoClient",
-                        ApplicationType = ApplicationType.Client,
+                                  ApplicationType = ApplicationType.Client,
-                        ConfigSectionName = "PMSWPF.OpcUaClient"
+                                  ConfigSectionName = "Opc.Ua.Client"
-                    };
+                              };
 
-                    // 2. 加载应用程序配置。
+            var config = new ApplicationConfiguration()
-                    ApplicationConfiguration config = await application.LoadApplicationConfiguration(false);
+                         {
+                             ApplicationName = application.ApplicationName,
+                             ApplicationUri = $"urn:{System.Net.Dns.GetHostName()}:OpcUADemoClient",
+                             ApplicationType = application.ApplicationType,
+                             SecurityConfiguration = new SecurityConfiguration
+                                                     {
+                                                         ApplicationCertificate = new CertificateIdentifier
+                                                             {
+                                                                 StoreType = "Directory",
+                                                                 StorePath
+                                                                     = "%CommonApplicationData%/OPC Foundation/CertificateStores/MachineDefault",
+                                                                 SubjectName = application.ApplicationName
+                                                             },
+                                                         TrustedIssuerCertificates
+                                                             = new CertificateTrustList
+                                                               {
+                                                                   StoreType = "Directory",
+                                                                   StorePath
+                                                                       = "%CommonApplicationData%/OPC Foundation/CertificateStores/UA Certificate Authorities"
+                                                               },
+                                                         TrustedPeerCertificates
+                                                             = new CertificateTrustList
+                                                               {
+                                                                   StoreType = "Directory",
+                                                                   StorePath
+                                                                       = "%CommonApplicationData%/OPC Foundation/CertificateStores/UA Applications"
+                                                               },
+                                                         RejectedCertificateStore
+                                                             = new CertificateTrustList
+                                                               {
+                                                                   StoreType = "Directory",
+                                                                   StorePath
+                                                                       = "%CommonApplicationData%/OPC Foundation/CertificateStores/RejectedCertificates"
+                                                               },
+                                                         AutoAcceptUntrustedCertificates = true // 自动接受不受信任的证书 (仅用于测试)
+                                                     },
+                             TransportQuotas = new TransportQuotas { OperationTimeout = 15000 },
+                             ClientConfiguration = new ClientConfiguration { DefaultSessionTimeout = 60000 },
+                             TraceConfiguration = new TraceConfiguration
+                                                  {
+                                                      OutputFilePath = "./Logs/OpcUaClient.log", DeleteOnLoad = true,
+                                                      TraceMasks = Utils.TraceMasks.Error | Utils.TraceMasks.Security
+                                                  }
+                         };
+            application.ApplicationConfiguration = config;
 
-                    // 3. 检查应用程序实例证书。
+            // 验证并检查证书
-                    bool haveAppCertificate = await application.CheckApplicationInstanceCertificate(false, 0);
+            await config.Validate(ApplicationType.Client);
-                    if (!haveAppCertificate)
+            await application.CheckApplicationInstanceCertificate(false, 0);
-                    {
-                        throw new Exception("Application instance certificate invalid!");
-                    }
 
-                    // 4. 发现服务器提供的终结点。
+            // 2. 查找并选择端点 (将 useSecurity 设置为 false 以进行诊断)
-                    DiscoveryClient discoveryClient = DiscoveryClient.Create(new Uri(device.OpcUaEndpointUrl));
+            var selectedEndpoint = CoreClientUtils.SelectEndpoint(device.OpcUaEndpointUrl, false);
-                    EndpointDescriptionCollection endpoints = discoveryClient.GetEndpoints(new Opc.Ua.StringCollection { device.OpcUaEndpointUrl });
 
-                    // 简化处理：选择第一个无安全策略的终结点。在生产环境中应选择合适的安全策略。
+            session = await Session.Create(
-                    // ConfiguredEndpoint configuredEndpoint = new ConfiguredEndpoint(null, endpoints.First(e => e.SecurityMode == MessageSecurityMode.None), config);
+                config,
-                    EndpointDescription selectedEndpoint = CoreClientUtils.SelectEndpoint(application.ApplicationConfiguration, device.OpcUaEndpointUrl, false);
+                new ConfiguredEndpoint(null, selectedEndpoint, EndpointConfiguration.Create(config)),
-                    EndpointConfiguration endpointConfiguration = EndpointConfiguration.Create(application.ApplicationConfiguration);
+                false,
-                    ConfiguredEndpoint configuredEndpoint = new ConfiguredEndpoint(null, selectedEndpoint, endpointConfiguration);
+                "PMSWPF OPC UA Session",
-
+                60000,
-                    // 5. 创建会话。
+                new UserIdentity(new AnonymousIdentityToken()),
-                    session = await Session.Create(
+                null);
-                        config,
-                        configuredEndpoint,
-                        false, // 不更新证书
-                        "PMSWPF OPC UA Session", // 会话名称
-                        60000, // 会话超时时间（毫秒）
-                        new UserIdentity(new AnonymousIdentityToken()), // 使用匿名用户身份
-                        null);
 
                     _opcUaSessions[device.OpcUaEndpointUrl] = session;
                     NlogHelper.Info($"Connected to OPC UA server: {device.OpcUaEndpointUrl}");

ViewModels/Dialogs/OpcUaImportDialogViewModel.cs

@@ -37,6 +37,8 @@ public partial class OpcUaImportDialogViewModel : ObservableObject
     {
         OpcUaNodes = new ObservableCollection<OpcUaNode>();
         SelectedNodeVariables = new ObservableCollection<VariableData>();
+        // Automatically connect when the ViewModel is created
+        _ = Connect().ConfigureAwait(false);
     }
 
     [RelayCommand]

ViewModels/VariableTableViewModel.cs

@@ -232,7 +232,13 @@ partial class VariableTableViewModel : ViewModelBase
     {
         try
         {
-            var importedVariables = await _dialogService.ShowOpcUaImportDialog();
+            string opcUaEndpointUrl = VariableTable?.Device?.OpcUaEndpointUrl;
+            if (string.IsNullOrEmpty(opcUaEndpointUrl))
+            {
+                NotificationHelper.ShowError("OPC UA Endpoint URL 未设置。请在设备详情中配置。");
+                return;
+            }
+            var importedVariables = await _dialogService.ShowOpcUaImportDialog(opcUaEndpointUrl);
             if (importedVariables == null || !importedVariables.Any())
             {
                 return; // 用户取消或没有选择任何变量

Views/Dialogs/OpcUaImportDialog.xaml

@@ -12,11 +12,9 @@
                         SecondaryButtonText="取消"
                         PrimaryButtonClick="ContentDialog_PrimaryButtonClick"
                         SecondaryButtonClick="ContentDialog_SecondaryButtonClick"
-                        Width="800"
+                        >
-                        Height="600">
     <Grid>
         <Grid.RowDefinitions>
-            <RowDefinition Height="Auto" />
             <RowDefinition Height="*" />
         </Grid.RowDefinitions>
         <Grid.ColumnDefinitions>
@@ -24,23 +22,8 @@
             <ColumnDefinition Width="2*" />
         </Grid.ColumnDefinitions>
 
-        <!-- 连接设置 -->
-        <StackPanel Grid.Row="0"
-                    Grid.ColumnSpan="2"
-                    Orientation="Horizontal"
-                    Margin="0,0,0,10">
-            <TextBlock Text="Endpoint URL:"
-                       VerticalAlignment="Center"
-                       Margin="0,0,5,0" />
-            <TextBox Text="{Binding EndpointUrl, UpdateSourceTrigger=PropertyChanged}"
-                     Width="300"
-                     Margin="0,0,10,0" />
-            <Button Content="连接"
-                    Command="{Binding ConnectCommand}" />
-        </StackPanel>
-
         <!-- 节点树 -->
-        <TreeView Grid.Row="1"
+        <TreeView Grid.Row="0"
                   Grid.Column="0"
                   ItemsSource="{Binding OpcUaNodes}"
                   Margin="0,0,10,0"
@@ -67,7 +50,7 @@
         </TreeView>
 
         <!-- 变量列表 -->
-        <DataGrid Grid.Row="1"
+        <DataGrid Grid.Row="0"
                   Grid.Column="1"
                   ItemsSource="{Binding SelectedNodeVariables}"
                   SelectionChanged="Selector_OnSelectionChanged"