Update 优化

Views/Pages/SqlQueryPage.xaml

@@ -16,6 +16,7 @@
             <RowDefinition Height="50" />
             <RowDefinition Height="*" />
             <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
         </Grid.RowDefinitions>
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="*" />
@@ -45,6 +46,7 @@
         <avalonEdit:TextEditor
             Name="TextEditor"
             Grid.Row="1"
+            Grid.Column="0"
             MinHeight="200"
             VerticalAlignment="Stretch"
             FontFamily="Consolas"
@@ -52,14 +54,34 @@
             LineNumbersForeground="Black"
             ShowLineNumbers="True"
             SyntaxHighlighting="SQL" />
+        <ListBox
+            x:Name="FunctionListBox"
+            Grid.Row="1"
+            Grid.Column="1"
+            Margin="5"
+            SelectionChanged="FunctionListBox_SelectionChanged">
+            <ListBoxItem Content="INSTALL spatial; LOAD spatial;" /> 
+            <ListBoxItem Content="st_read()" />
+            <!-- ...add more functions if needed... -->
+        </ListBox>
         <DataGrid
             x:Name="ResultDataGrid"
             Grid.Row="2"
             Grid.Column="0"
             Grid.ColumnSpan="2"
-            Width="Auto"
             Margin="5"
-            HorizontalAlignment="Left"
-            hc:DataGridAttach.CanUnselectAllWithBlankArea="True" />
+            HorizontalAlignment="Stretch"
+            ColumnWidth="*"
+            hc:DataGridAttach.CanUnselectAllWithBlankArea="True"
+            ScrollViewer.HorizontalScrollBarVisibility="Auto"
+            MinColumnWidth="100" />
+        <StackPanel
+            Grid.Row="3"
+            Orientation="Horizontal">
+            <TextBlock
+                x:Name="StatusTextBlock"
+                Margin="5"
+                Text="准备就绪" />
+        </StackPanel>
     </Grid>
 </Page>

Views/Pages/SqlQueryPage.xaml.cs

@@ -44,6 +44,7 @@ namespace ExcelHelper.Views.Pages
         // 替换 DuckDBDataAdapter 使用 DataTable.Load 方法
         private void ExecuteButton_Click(object sender, RoutedEventArgs e)
         {
+            StatusTextBlock.Text = "执行中...";
             // 获取 SQL 查询文本
             string sqlQuery = TextEditor.Text;
 
@@ -65,16 +66,28 @@ namespace ExcelHelper.Views.Pages
 
                             // 将结果绑定到 DataGrid
                             ResultDataGrid.ItemsSource = dataTable.DefaultView;
+                            StatusTextBlock.Text = $"执行完成，共 {dataTable.Rows.Count} 行";
                         }
                     }
                 }
                 catch (Exception ex)
                 {
+                    StatusTextBlock.Text = $"查询失败：{ex.Message}";
                     MessageBox.Show($"查询执行失败：{ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
                 }
 
                 connection.Close();
             }
         }
+
+        private void FunctionListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            if (FunctionListBox.SelectedItem is ListBoxItem item)
+            {
+                var functionText = item.Content.ToString();
+                var caretOffset = TextEditor.CaretOffset;
+                TextEditor.Document.Insert(caretOffset, functionText);
+            }
+        }
     }
 }