SunlightAggregationTerminal/View/LogPage.xaml

<?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.View.LogPage"
             Title="登录">
    <Grid>
    <VerticalStackLayout Padding="30" Spacing="10" 
            VerticalOptions="Center" 
            HorizontalOptions="Center"
            MaximumWidthRequest="550">
        <Grid>
            <VerticalStackLayout Spacing="-20" >
                <Grid RowDefinitions="Auto, *" ColumnDefinitions="*, Auto" >
                    <HorizontalStackLayout VerticalOptions="Center" Spacing="15">
                <!-- 信息 -->
                <VerticalStackLayout  Grid.Row="0" Grid.Column="0" VerticalOptions="Center">
                    <HorizontalStackLayout VerticalOptions="Center">
                        <Entry Text="服务器:" FontSize="26" TextColor="Black" IsReadOnly="True"/>
                                <Picker x:Name="SERVER"                               
                                        FontSize="24"                              
                                        TextColor="Gray"                              
                                        WidthRequest="200"                             
                                        MaximumWidthRequest="200"                     
                                        SelectedIndexChanged="SERVER_SelectedIndexChanged">
                                    <Picker.ItemDisplayBinding>
                                        <Binding Path="SERVER"/>
                                    </Picker.ItemDisplayBinding>
                                </Picker>
                            </HorizontalStackLayout>
                </VerticalStackLayout>
            </HorizontalStackLayout>
            <Button Grid.Row="0" Grid.Column="1"                                    
                    Clicked="OnScanButtonClicked"                                  
                    BackgroundColor="Transparent"                                 
                    WidthRequest="60"                                
                    HeightRequest="60"  >
                <Button.ImageSource>
                    <!-- 设置图标 -->
                    <FileImageSource File="lucidescanline.png" />
                </Button.ImageSource>
            </Button>
                </Grid>
                <Entry x:Name="SERVERIP" FontSize="26" TextColor="Gray" 
                       WidthRequest="350" MaximumWidthRequest="350"/>
            </VerticalStackLayout>
        </Grid>
       
        <HorizontalStackLayout VerticalOptions="Center">
            <Entry Text="用户:" FontSize="26" TextColor="Black" 
                   IsReadOnly="True"/>
            <!-- 用户名输入 -->
            <Entry x:Name="UsernameEntry"
                   Placeholder="请输入用户名"                      
                   FontSize="26"                    
                   WidthRequest="250"
                   MaximumWidthRequest="250"/>
        </HorizontalStackLayout>
        <HorizontalStackLayout VerticalOptions="Center">
            <Entry Text="密码:" FontSize="26" TextColor="Black"
                   IsReadOnly="True"/>
            <!-- 密码输入 -->
            <Entry x:Name="PasswordEntry"
                   Placeholder="请输入密码" 
                   IsPassword="True"                     
                   FontSize="26"                    
                   WidthRequest="250"
                   MaximumWidthRequest="250"/>
        </HorizontalStackLayout>
        <!-- 登录按钮 -->
        <Button Text="登 录"                      
                BackgroundColor="#512BD4"                    
                TextColor="White"                   
                HeightRequest="50"
                WidthRequest="100"                
                CornerRadius="10"                 
                Margin="0,10,0,0"
                Clicked="Log_Clicked"/>
    </VerticalStackLayout>
        <Grid x:Name="LoadingIndicator" BackgroundColor="Gray" 
              IsVisible="False" Opacity="0.9">         
            <VerticalStackLayout Padding="30" Spacing="10"       
                                 VerticalOptions="Center"       
                                 HorizontalOptions="Center">              
                <ActivityIndicator IsRunning="True"                                 
                                   Color="#512BD4"                              
                                   HorizontalOptions="Center"                                 
                                   VerticalOptions="Center" />           
                <Label Text="登录中..."                  
                       FontAttributes="Bold"                  
                       FontSize="24"                   
                       TextColor="Black"/>
            </VerticalStackLayout>
        </Grid>
    </Grid>
</ContentPage>