重构项目，将项目拆分（临时提交）

DMS.WPF/Views/Dialogs/ImportExcelDialog.xaml

@@ -0,0 +1,69 @@
+<ui:ContentDialog x:Class="DMS.Views.Dialogs.ImportExcelDialog"
+                  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:DMS.ViewModels.Dialogs"
+                  Title="从Excel导入"
+                  CloseButtonText="取消"
+                  DefaultButton="Primary"
+                  PrimaryButtonText="导入"
+                  d:DataContext="{d:DesignInstance vmd:ImportExcelDialogViewModel}"
+                  mc:Ignorable="d"
+                  AllowDrop="True"
+                  DragEnter="Dialog_DragEnter"
+                  Drop="Dialog_Drop">
+
+    <Grid Margin="10">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+
+        <StackPanel Grid.Row="0">
+            <TextBlock HorizontalAlignment="Center"
+                       Text="拖放Excel文件到此处或选择文件" />
+            <Grid Margin="0,10,0,0">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="*" />
+                    <ColumnDefinition Width="Auto" />
+                </Grid.ColumnDefinitions>
+                <TextBox Grid.Column="0"
+                         VerticalAlignment="Center"
+                         Text="{Binding FilePath, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
+                <Button Grid.Column="1"
+                        Margin="5,0,0,0"
+                        Click="SelectFile_Click"
+                        Content="选择文件" />
+            </Grid>
+        </StackPanel>
+
+        <DataGrid Grid.Row="1"
+                  Margin="0,10,0,0"
+                  ItemsSource="{Binding Variables}"
+                  AutoGenerateColumns="False"
+                  CanUserAddRows="False">
+            <DataGrid.Style>
+                <Style BasedOn="{StaticResource {x:Type DataGrid}}"
+                       TargetType="DataGrid">
+                    <Style.Triggers>
+                        <DataTrigger Binding="{Binding Variables.Count}"
+                                     Value="0">
+                            <Setter Property="Visibility"
+                                    Value="Collapsed" />
+                        </DataTrigger>
+                    </Style.Triggers>
+                </Style>
+            </DataGrid.Style>
+            <DataGrid.Columns>
+                <DataGridTextColumn Header="名称"
+                                    Binding="{Binding Name}" />
+                <DataGridTextColumn Header="数据类型"
+                                    Binding="{Binding DataType}" />
+                <DataGridTextColumn Header="S7地址"
+                                    Binding="{Binding S7Address}" />
+            </DataGrid.Columns>
+        </DataGrid>
+    </Grid>
+</ui:ContentDialog>