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修复OPC连接成功前不显示列表

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This commit is contained in:
David P.G
2025-07-09 20:23:41 +08:00
parent a4d50f726f
commit cba1c1abf4
2 changed files with 36 additions and 80 deletions
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88
ViewModels/Dialogs/OpcUaImportDialogViewModel.cs
View File

@@ -28,6 +28,9 @@ public partial class OpcUaImportDialogViewModel : ObservableObject
[ObservableProperty]
private bool _selectAllVariables;
[ObservableProperty]
private bool _isConnected;
private Session _session;
public OpcUaImportDialogViewModel()
@@ -49,86 +52,9 @@ public partial class OpcUaImportDialogViewModel : ObservableObject
_session = null;
}
/*ApplicationInstance application = new ApplicationInstance
{
ApplicationName = "PMSWPF OPC UA Client",
ApplicationType = ApplicationType.Client,
ConfigSectionName = "PMSWPF.OpcUaClient"
};
ApplicationConfiguration config = await application.LoadApplicationConfiguration(false);
// var config = new ApplicationConfiguration()
// {
// 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 }
// };
//
// bool haveAppCertificate = await application.CheckApplicationInstanceCertificate(false, 0);
// if (!haveAppCertificate)
// {
// throw new Exception("Application instance certificate invalid!");
// }
//
// EndpointDescription selectedEndpoint
// = CoreClientUtils.SelectEndpoint(application.ApplicationConfiguration, EndpointUrl, false);
// EndpointConfiguration endpointConfiguration
// = EndpointConfiguration.Create(application.ApplicationConfiguration);
// ConfiguredEndpoint configuredEndpoint
// = new ConfiguredEndpoint(null, selectedEndpoint, endpointConfiguration);
// var config = new ApplicationConfiguration()
// {
// 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 }
// };
bool haveAppCertificate = await application.CheckApplicationInstanceCertificate(false, 0);
if (!haveAppCertificate)
{
throw new Exception("Application instance certificate invalid!");
}
EndpointDescription selectedEndpoint
= CoreClientUtils.SelectEndpoint(application.ApplicationConfiguration, EndpointUrl, false);
EndpointConfiguration endpointConfiguration
= EndpointConfiguration.Create(application.ApplicationConfiguration);
ConfiguredEndpoint configuredEndpoint
= new ConfiguredEndpoint(null, selectedEndpoint, endpointConfiguration);
_session = await Session.Create(
config,
configuredEndpoint,
false,
"PMSWPF OPC UA Session",
60000,
new UserIdentity(new AnonymousIdentityToken()),
null);
*/
IsConnected = false;
OpcUaNodes.Clear();
SelectedNodeVariables.Clear();
// 1. 创建应用程序配置
var application = new ApplicationInstance
@@ -202,12 +128,14 @@ public partial class OpcUaImportDialogViewModel : ObservableObject
null);
NotificationHelper.ShowSuccess($"已连接到 OPC UA 服务器: {EndpointUrl}");
IsConnected = true;
// 浏览根节点
await BrowseNodes(OpcUaNodes, ObjectIds.ObjectsFolder);
}
catch (Exception ex)
{
IsConnected = false;
NlogHelper.Error($"连接 OPC UA 服务器失败: {EndpointUrl} - {ex.Message}", ex);
NotificationHelper.ShowError($"连接 OPC UA 服务器失败: {EndpointUrl} - {ex.Message}", ex);
}

28
Views/Dialogs/OpcUaImportDialog.xaml
View File

@@ -45,6 +45,20 @@
ItemsSource="{Binding OpcUaNodes}"
Margin="0,0,10,0"
SelectedItemChanged="TreeView_SelectedItemChanged">
<TreeView.Style>
<Style TargetType="TreeView"
BasedOn="{StaticResource {x:Type TreeView}}">
<Setter Property="Visibility"
Value="Collapsed" />
<Style.Triggers>
<DataTrigger Binding="{Binding IsConnected}"
Value="True">
<Setter Property="Visibility"
Value="Visible" />
</DataTrigger>
</Style.Triggers>
</Style>
</TreeView.Style>
<TreeView.ItemTemplate>
<HierarchicalDataTemplate ItemsSource="{Binding Children}">
<TextBlock Text="{Binding DisplayName}" />
@@ -59,6 +73,20 @@
SelectionChanged="Selector_OnSelectionChanged"
AutoGenerateColumns="False"
IsReadOnly="True">
<DataGrid.Style>
<Style TargetType="DataGrid"
BasedOn="{StaticResource {x:Type DataGrid}}">
<Setter Property="Visibility"
Value="Collapsed" />
<Style.Triggers>
<DataTrigger Binding="{Binding IsConnected}"
Value="True">
<Setter Property="Visibility"
Value="Visible" />
</DataTrigger>
</Style.Triggers>
</Style>
</DataGrid.Style>
<DataGrid.Columns>
<DataGridTemplateColumn>
<DataGridTemplateColumn.HeaderTemplate>