添加项目文件。

View/LogPage.xaml

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+<?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="LogPage">
+
+    <VerticalStackLayout Padding="30" Spacing="20" 
+            VerticalOptions="Center" 
+            HorizontalOptions="Center"
+            MaximumWidthRequest="600">
+        <Grid RowDefinitions="Auto, *" ColumnDefinitions="*, Auto">
+            <HorizontalStackLayout VerticalOptions="Center" Spacing="15">
+                <!-- 信息 -->
+                <VerticalStackLayout  Grid.Row="0" 
+                               Grid.Column="0"  
+                               VerticalOptions="Center">
+                    <HorizontalStackLayout VerticalOptions="Center">
+                        <Label Text="服务器:" FontSize="26" TextColor="Black" />
+                        <Entry x:Name="Enterprise" 
+                               Text="IP" 
+                               FontSize="26" 
+                               TextColor="Gray" 
+                               WidthRequest="300"/>
+                    </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>
+        <HorizontalStackLayout VerticalOptions="Center">
+            <Label Text="用户:" FontSize="26" TextColor="Black" />
+            <!-- 用户名输入 -->
+            <Entry x:Name="UsernameEntry"
+                   Placeholder="请输入用户名"                      
+                   FontSize="26"                    
+                   WidthRequest="380"/>
+        </HorizontalStackLayout>
+        <HorizontalStackLayout VerticalOptions="Center">
+            <Label Text="密码:" FontSize="26" TextColor="Black"/>
+            <!-- 密码输入 -->
+            <Entry x:Name="PasswordEntry"
+                   Placeholder="请输入密码" 
+                   IsPassword="True"                     
+                   FontSize="26"                    
+                   WidthRequest="380"/>
+        </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>
+</ContentPage>

View/LogPage.xaml.cs

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+using SunlightAggregationTerminal.Class;
+using SunlightAggregationTerminal.Models;
+using System.Data;
+
+namespace SunlightAggregationTerminal.View;
+
+public partial class LogPage : ContentPage
+{
+    public static Action<string>? OnScanProfile;
+    public LogPage()
+	{
+		InitializeComponent();
+        OnScanProfile = (result) =>
+        {
+            MainThread.BeginInvokeOnMainThread(() =>
+            {
+                Enterprise.Text = result;
+            });
+        };
+    }
+
+    private void OnScanButtonClicked(object sender, EventArgs e)
+    {
+        // 跳转到扫码页面
+        var scanPage = new ScanPage(3);
+        Navigation.PushAsync(scanPage);
+    }
+
+    private async void Log_Clicked(object sender, EventArgs e)//登录
+    {
+        TcpServer.Configuration(Enterprise.Text, UsernameEntry.Text, PasswordEntry.Text, 
+            Models.AppModels.GetAppUniqueId());
+
+       // while(!App.GlobalData.LogNo);
+       /*
+        var temp_name = AppModels.Select("SELECT * FROM  Users WHERE User='" + UsernameEntry.Text + "' LIMIT 1;");
+        if (temp_name != null)
+        {
+            //存在更新账号状态
+            //var name = temp_name.Tables[0].AsEnumerable().FirstOrDefault();
+
+            string sql = @"UPDATE Users SET ServerID = '" + Enterprise.Text
+                + "', UserPassword = '" + PasswordEntry.Text+
+                "', LogNo = true WHERE User='" + UsernameEntry.Text + "';";
+            AppModels.Updata(sql);
+        }
+        else
+        {
+            //插入账号
+            string sql = @"INSERT INTO Users (User,UserId ,UserName ,UserPassword ,
+                       Enterprise ,Department ,ServerID ,Groups ,
+                       ProxyID ,LogNo ,LocalAreaNetworkMode ,DarkMode ,
+                       MessageNotificationMode ,GUID            
+                       )VALUES('"+ UsernameEntry.Text + "','SUNLIGHT','SUNLIGHT','"+ PasswordEntry.Text + 
+                       "','SUNLIGHT','ENGINEER','"+ Enterprise.Text + "','ENGINEER',"+
+                      " '',0,0,0,0,'" + Models.AppModels.GetAppUniqueId() + "');";
+            AppModels.INSERT(sql);
+        }*/
+        await Navigation.PopModalAsync();
+    }
+}

View/LogWindow.xaml

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+<?xml version="1.0" encoding="utf-8" ?>
+<Window xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="SunlightAggregationTerminal.View.LogWindow"
+             Title="LogWindow">
+</Window>

View/LogWindow.xaml.cs

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+namespace SunlightAggregationTerminal.View;
+
+public partial class LogWindow : Window
+{
+	public LogWindow()
+	{
+		InitializeComponent();
+		Page = new ContentPage()
+		{
+			Content = new VerticalStackLayout
+			{
+				Children = {
+					new Label { HorizontalOptions = LayoutOptions.Center, VerticalOptions = LayoutOptions.Center, Text = "Welcome to .NET MAUI!"
+					}
+				}
+			}
+		};
+	}
+}