添加了处理中的对话框

Services/DialogService.cs

@@ -1,4 +1,5 @@
-using iNKORE.UI.WPF.Modern.Controls;
+using HandyControl.Tools.Extension;
+using iNKORE.UI.WPF.Modern.Controls;
 using NPOI.SS.Formula.Functions;
 using PMSWPF.Models;
 using PMSWPF.ViewModels.Dialogs;
@@ -119,4 +120,14 @@ public class DialogService :IDialogService
         }
         return null;
     }
+
+    public ContentDialog ShowProcessingDialog(string title, string message)
+    {
+        ProcessingDialogViewModel vm = new ProcessingDialogViewModel();
+        vm.Title = title;
+        vm.Message = message;
+        var dialog = new ProcessingDialog(vm);
+        _ = dialog.ShowAsync(); // 不await，让它在后台显示
+        return dialog;
+    }
 }

Services/IDialogService.cs

@@ -1,4 +1,5 @@
-using PMSWPF.Models;
+using iNKORE.UI.WPF.Modern.Controls;
+using PMSWPF.Models;
 
 namespace PMSWPF.Services;
 
@@ -16,4 +17,5 @@ public interface IDialogService
     void ShowMessageDialog(string title, string message);
     Task<VariableData> ShowEditVarDataDialog(VariableData variableData);
     Task<string> ShowImportExcelDialog();
+    ContentDialog ShowProcessingDialog(string title, string message);
 }

ViewModels/Dialogs/ProcessingDialogViewModel.cs

@@ -0,0 +1,9 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace PMSWPF.ViewModels.Dialogs;
+
+public partial class ProcessingDialogViewModel : ObservableObject
+{
+    [ObservableProperty] private string _title;
+    [ObservableProperty] private string _message;
+}

ViewModels/VariableTableViewModel.cs

@@ -1,6 +1,7 @@
 using System.Collections.ObjectModel;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
+using iNKORE.UI.WPF.Modern.Controls;
 using Newtonsoft.Json;
 using NLog;
 using PMSWPF.Data.Repositories;
@@ -142,6 +143,7 @@ partial class VariableTableViewModel : ViewModelBase
     [RelayCommand]
     private async void ImprotFromTiaVarTable()
     {
+        ContentDialog processingDialog = null;
         try
         {
             // 让用户选择导入的Excel文件
@@ -152,6 +154,7 @@ partial class VariableTableViewModel : ViewModelBase
             var importVarDataList = ExcelHelper.ImprotFromTiaVariableTable(filePath);
             if (importVarDataList.Count == 0)
                 return;
+           processingDialog= _dialogService.ShowProcessingDialog("正在处理...", "正在导入变量,请稍等片刻....");
             
             foreach (var variableData in importVarDataList)
             {
@@ -167,7 +170,7 @@ partial class VariableTableViewModel : ViewModelBase
                 variableTable.DataVariables.Add(variableData);
             }
             DataVariables=new ObservableCollection<VariableData>(resVarDataList);
-
+            processingDialog?.Hide();
             string msgSuccess = $"成功导入变量：{resVarDataList.Count}个。";
             Logger.Info(msgSuccess);
             NotificationHelper.ShowMessage(msgSuccess, NotificationType.Success);

Views/Dialogs/ProcessingDialog.xaml

@@ -0,0 +1,34 @@
+<ui:ContentDialog x:Class="PMSWPF.Views.Dialogs.ProcessingDialog"
+                  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                  xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+                  xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+                  xmlns:ui="http://schemas.inkore.net/lib/ui/wpf/modern"
+                  xmlns:vmd="clr-namespace:PMSWPF.ViewModels.Dialogs"
+                  Title="{Binding Title}"
+                  Background="#fff"
+                  d:DataContext="{d:DesignInstance vmd:ProcessingDialogViewModel}"
+                  mc:Ignorable="d">
+    <Grid Width="360"
+          Margin="10">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+
+        <TextBlock Grid.Row="0"
+                   Margin="0,0,0,20"
+                   FontSize="14"
+                   TextWrapping="Wrap"
+                   FontWeight="Bold"
+                   Text="{Binding Message}"
+                   HorizontalAlignment="Center" />
+
+        <ui:ProgressRing Grid.Row="1"
+                      IsActive="True"
+                      Width="50"
+                      Height="50"
+                      HorizontalAlignment="Center"
+                      VerticalAlignment="Center" />
+    </Grid>
+</ui:ContentDialog>

Views/Dialogs/ProcessingDialog.xaml.cs

@@ -0,0 +1,13 @@
+using iNKORE.UI.WPF.Modern.Controls;
+using PMSWPF.ViewModels.Dialogs;
+
+namespace PMSWPF.Views.Dialogs;
+
+public partial class ProcessingDialog : ContentDialog
+{
+    public ProcessingDialog(ProcessingDialogViewModel viewModel)
+    {
+        InitializeComponent();
+        this.DataContext = viewModel;
+    }
+}