添加添加数据库服务器表

修改扫码连接修复扫码闪退问题

QueryPage.xaml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="SunlightAggregationTerminal.QueryPage"
+             Title="">
+    <Grid RowDefinitions="Auto, *" ColumnDefinitions="*, Auto">
+        <Border Grid.Row="0"         
+                Grid.Column="0"       
+                Stroke="#CCCCCC"           
+                StrokeThickness="1"
+                StrokeShape="RoundRectangle 10"       
+                BackgroundColor="White"
+                Padding="0,0"
+                VerticalOptions="Center"
+                Margin="10,10,0,10">
+            <Entry x:Name="ResultEntry"               
+                   Grid.Row="0"              
+                   Grid.Column="0"             
+                   FontSize="Medium"              
+                   Placeholder="等待扫码..."               
+                   VerticalOptions="Center"
+                    BackgroundColor="Transparent"              
+                   Margin="0,0,0,0" >
+            </Entry>
+        </Border>
+        <!--扫码按钮-->                   
+        <Button Grid.Row="0" 
+                Grid.Column="1" 
+                Clicked="OnScanButtonClicked"
+                BackgroundColor="Transparent"
+                WidthRequest="60" 
+                HeightRequest="60"
+                Margin="10">
+            <Button.ImageSource>
+                <!-- 设置图标 -->
+                <FileImageSource File="lucidescanline.png" />
+            </Button.ImageSource>
+        </Button>
+        <VerticalStackLayout>
+            
+        </VerticalStackLayout>
+    </Grid>
+</ContentPage>