修改了一些内容

DMS.WPF/Views/Dialogs/ImportExcelDialog.xaml

@@ -4,17 +4,32 @@
                   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:i="http://schemas.microsoft.com/xaml/behaviors"
                   xmlns:vmd="clr-namespace:DMS.WPF.ViewModels.Dialogs"
                   Title="从Excel导入"
                   CloseButtonText="取消"
                   DefaultButton="Primary"
-                  PrimaryButtonText="导入"
+                  PrimaryButtonText="导入全部"
+                  SecondaryButtonText="导入选择"
+         
                   d:DataContext="{d:DesignInstance vmd:ImportExcelDialogViewModel}"
                   mc:Ignorable="d"
                   AllowDrop="True"
                   DragEnter="Dialog_DragEnter"
                   Drop="Dialog_Drop">
 
+    <i:Interaction.Triggers>
+        <i:EventTrigger EventName="PrimaryButtonClick">
+            <i:InvokeCommandAction Command="{Binding PrimaryButtonCommand}" />
+        </i:EventTrigger>
+        <i:EventTrigger EventName="SecondaryButtonClick">
+            <i:InvokeCommandAction Command="{Binding SecondaryButtonCommand}" />
+        </i:EventTrigger>
+        <i:EventTrigger EventName="CloseButtonClick">
+            <i:InvokeCommandAction Command="{Binding CancleButtonCommand}" />
+        </i:EventTrigger>
+    </i:Interaction.Triggers>
+
     <Grid Margin="10">
         <Grid.RowDefinitions>
             <RowDefinition Height="Auto" />

DMS.WPF/Views/Dialogs/ImportExcelDialog.xaml.cs

@@ -8,10 +8,9 @@ namespace DMS.WPF.Views.Dialogs;
 
 public partial class ImportExcelDialog : ContentDialog
 {
-    public ImportExcelDialog(ImportExcelDialogViewModel viewModel)
+    public ImportExcelDialog()
     {
         InitializeComponent();
-        DataContext = viewModel;
     }
 
     private void Dialog_DragEnter(object sender, DragEventArgs e)