项目初始化

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<!--If you are willing to use Windows/MacOS native APIs you will need to create 3 projects.
One for Windows with net8.0-windows TFM, one for MacOS with net8.0-macos and one with net8.0 TFM for Linux.-->
<TargetFramework>net8.0</TargetFramework>
<Nullable>enable</Nullable>
<BuiltInComInteropSupport>true</BuiltInComInteropSupport>
<ApplicationManifest>app.manifest</ApplicationManifest>
<StartupObject>AvaloniaLinuxForm.Desktop.Program</StartupObject>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Avalonia.Desktop" Version="$(AvaloniaVersion)" />
<PackageReference Include="Avalonia.Themes.Fluent" Version="$(AvaloniaVersion)" />
<PackageReference Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)" Condition="'$(Configuration)'=='Debug'" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\AvaloniaLinuxForm\AvaloniaLinuxForm.csproj" />
</ItemGroup>
</Project>

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using System;
using Avalonia;
using Avalonia.ReactiveUI;
using Avalonia.WebView.Desktop;
namespace AvaloniaLinuxForm.Desktop;
class Program
{
// Initialization code. Don't use any Avalonia, third-party APIs or any
// SynchronizationContext-reliant code before AppMain is called: things aren't initialized
// yet and stuff might break.
[STAThread]
public static void Main(string[] args) => BuildAvaloniaApp()
.StartWithClassicDesktopLifetime(args);
// Avalonia configuration, don't remove; also used by visual designer.
public static AppBuilder BuildAvaloniaApp()
=> AppBuilder.Configure<AvaloniaLinuxForm.App>()
.UsePlatformDetect()
.WithInterFont()
.LogToTrace()
.UseReactiveUI()
.UseDesktopWebView();
}

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<?xml version="1.0" encoding="utf-8"?>
<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
<!-- This manifest is used on Windows only.
Don't remove it as it might cause problems with window transparency and embeded controls.
For more details visit https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests -->
<assemblyIdentity version="1.0.0.0" name="AvaloniaTest.Desktop"/>
<compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
<application>
<!-- A list of the Windows versions that this application has been tested on
and is designed to work with. Uncomment the appropriate elements
and Windows will automatically select the most compatible environment. -->
<!-- Windows 10 -->
<supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
</application>
</compatibility>
</assembly>

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AvaloniaLinuxForm.sln Normal file
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.14.36401.2 d17.14
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AvaloniaLinuxForm", "AvaloniaLinuxForm\AvaloniaLinuxForm.csproj", "{56EE66E0-9A63-866D-0F7C-DD21DA877BB2}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AvaloniaLinuxForm.Desktop", "AvaloniaLinuxForm.Desktop\AvaloniaLinuxForm.Desktop.csproj", "{A932B522-7DEE-D8C0-89C0-33E4D8D6B40F}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{56EE66E0-9A63-866D-0F7C-DD21DA877BB2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{56EE66E0-9A63-866D-0F7C-DD21DA877BB2}.Debug|Any CPU.Build.0 = Debug|Any CPU
{56EE66E0-9A63-866D-0F7C-DD21DA877BB2}.Release|Any CPU.ActiveCfg = Release|Any CPU
{56EE66E0-9A63-866D-0F7C-DD21DA877BB2}.Release|Any CPU.Build.0 = Release|Any CPU
{A932B522-7DEE-D8C0-89C0-33E4D8D6B40F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{A932B522-7DEE-D8C0-89C0-33E4D8D6B40F}.Debug|Any CPU.Build.0 = Debug|Any CPU
{A932B522-7DEE-D8C0-89C0-33E4D8D6B40F}.Release|Any CPU.ActiveCfg = Release|Any CPU
{A932B522-7DEE-D8C0-89C0-33E4D8D6B40F}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {0FF13D79-238C-4DC4-98DD-EF5E3FECD53B}
EndGlobalSection
EndGlobal

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<Application xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Class="AvaloniaLinuxForm.App"
RequestedThemeVariant="Default">
<!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. -->
<Application.Styles>
<FluentTheme />
</Application.Styles>
</Application>

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using Avalonia;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Markup.Xaml;
using AvaloniaLinuxForm.ViewModels;
using AvaloniaLinuxForm.Views;
using AvaloniaWebView;
namespace AvaloniaLinuxForm;
public partial class App : Application
{
public override void Initialize()
{
AvaloniaXamlLoader.Load(this);
}
public override void OnFrameworkInitializationCompleted()
{
// 初始化数据库
SQLiteUtil.InitDatabase();
if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
{
desktop.MainWindow = new MainWindow
{
DataContext = new MainViewModel()
};
}
else if (ApplicationLifetime is ISingleViewApplicationLifetime singleViewPlatform)
{
singleViewPlatform.MainView = new MainView
{
DataContext = new MainViewModel()
};
}
base.OnFrameworkInitializationCompleted();
}
public override void RegisterServices()
{
base.RegisterServices();
// if you use only WebView
AvaloniaWebViewBuilder.Initialize(default);
}
}

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net8.0</TargetFramework>
<Nullable>disable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<AvaloniaResource Include="Assets\**" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Avalonia" Version="$(AvaloniaVersion)" />
<PackageReference Include="Avalonia.Themes.Fluent" Version="$(AvaloniaVersion)" />
<PackageReference Include="Avalonia.Fonts.Inter" Version="$(AvaloniaVersion)" />
<PackageReference Include="Avalonia.ReactiveUI" Version="$(AvaloniaVersion)" />
<!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
<PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)" />
<PackageReference Include="Microsoft.Data.Sqlite.Core" Version="9.0.8" />
<PackageReference Include="SQLitePCLRaw.bundle_e_sqlite3" Version="3.0.1" />
<PackageReference Include="SQLitePCLRaw.lib.e_sqlite3.linux" Version="1.1.14" />
<PackageReference Include="WebView.Avalonia" Version="11.0.0.1" />
<PackageReference Include="WebView.Avalonia.Desktop" Version="11.0.0.1" />
<PackageReference Include="WebView.Avalonia.Linux" Version="11.0.0.1" />
</ItemGroup>
</Project>

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using Microsoft.Data.Sqlite;
using System;
using System.IO;
namespace AvaloniaLinuxForm
{
public class SQLiteUtil
{
public static string appDataPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
public static string dbFolderPath = Path.Combine(appDataPath, "SygAvalonia");
public static string dbFilePath = Path.Combine(dbFolderPath, "database.sqlite");
public static void InitDatabase()
{
try
{
if (!Directory.Exists(dbFolderPath))
{
Directory.CreateDirectory(dbFolderPath);
}
// 创建数据库连接(如果文件不存在,会自动创建)
using (SqliteConnection connection = new SqliteConnection($"Data Source={dbFilePath};"))
{
connection.Open();
// 初始化系统配置表结构
string createTableQuery = @"
CREATE TABLE IF NOT EXISTS program_config (
Id INTEGER PRIMARY KEY AUTOINCREMENT,
Url TEXT NOT NULL
);";
using (SqliteCommand command = new SqliteCommand(createTableQuery, connection))
{
int result = command.ExecuteNonQuery();
string configCountQuery = @"select count(0) from program_config;";
using (SqliteCommand configCountCommand = new SqliteCommand(configCountQuery, connection))
using (SqliteDataReader reader = configCountCommand.ExecuteReader())
{
while (reader.Read())
{
int configCount = reader.GetInt32(0);
if (configCount == 0)
{
// 初始化系统配置数据
string initConfigDataQuery = @"insert into program_config (Url) values('https://www.baidu.com');";
using (SqliteCommand dataCommand = new SqliteCommand(initConfigDataQuery, connection))
{
dataCommand.ExecuteNonQuery();
}
}
}
}
}
connection.Close();
}
}
catch (Exception ex)
{
Console.WriteLine("数据库初始化失败:" + ex.Message);
}
}
// 保存url
public static void SaveUrl(string url)
{
using var connection = new SqliteConnection($"Data Source={dbFilePath}");
connection.Open();
var cmd = connection.CreateCommand();
cmd.CommandText = "update program_config set Url = $Url where id = '1'";
cmd.Parameters.AddWithValue("$Url", url);
cmd.ExecuteNonQuery();
connection.Close();
}
// 加载保存的url
public static string LoadUrl()
{
using var connection = new SqliteConnection($"Data Source={dbFilePath}");
connection.Open();
var cmd = connection.CreateCommand();
cmd.CommandText = "SELECT Url FROM program_config where id='1'";
using var reader = cmd.ExecuteReader();
if (reader.Read())
{
return reader.GetString(0);
}
return null;
}
}
}

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using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
using AvaloniaWebView;
using ReactiveUI;
using System;
namespace AvaloniaLinuxForm.ViewModels;
public class MainViewModel : ViewModelBase
{
private bool _canGoBack;
public bool CanGoBack
{
get => _canGoBack;
set => this.RaiseAndSetIfChanged(ref _canGoBack, value);
}
private bool _canGoForward;
public bool CanGoForward
{
get => _canGoForward;
set => this.RaiseAndSetIfChanged(ref _canGoForward, value);
}
}

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using ReactiveUI;
namespace AvaloniaLinuxForm.ViewModels;
public class ViewModelBase : ReactiveObject
{
}

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<UserControl xmlns="https://github.com/avaloniaui"
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:vm="clr-namespace:AvaloniaLinuxForm.ViewModels"
xmlns:webview="clr-namespace:WebView.Avalonia;assembly=WebView.Avalonia"
mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
x:Class="AvaloniaLinuxForm.Views.MainView"
x:DataType="vm:MainViewModel">
<Design.DataContext>
<!-- This only sets the DataContext for the previewer in an IDE,
to set the actual DataContext for runtime, set the DataContext property in code (look at App.axaml.cs) -->
<vm:MainViewModel />
</Design.DataContext>
<Grid>
<!-- 定义两行布局 -->
<Grid.RowDefinitions>
<RowDefinition Height="40"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<!-- 工具栏 -->
<StackPanel Orientation="Horizontal" Margin="0,0,0,0">
<Button x:Name="backButton" Content="后退"
HorizontalContentAlignment="Center"
VerticalContentAlignment="Center"
Width="50"
Margin="5" IsEnabled="{Binding CanGoBack}"/>
<Button x:Name="forwardButton" Content="前进"
HorizontalContentAlignment="Center"
VerticalContentAlignment="Center"
Width="50"
Margin="5" IsEnabled="{Binding CanGoForward}"/>
<Button x:Name="refreshButton" Content="刷新"
HorizontalContentAlignment="Center"
VerticalContentAlignment="Center"
Width="50"
Margin="5"/>
<Button x:Name="settingButton" Content="设置"
HorizontalContentAlignment="Center"
VerticalContentAlignment="Center"
Width="50"
Margin="5"/>
</StackPanel>
<WebView x:Name="webView" Grid.Row="1"/>
</Grid>
</UserControl>

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using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.VisualTree;
using AvaloniaLinuxForm.ViewModels;
using AvaloniaWebView;
using System;
namespace AvaloniaLinuxForm.Views;
public partial class MainView : UserControl
{
private WebView _webView;
private Button _backButton;
private Button _forwardButton;
private Button _refreshButton;
private Button _settingbButton;
public MainView()
{
InitializeComponent();
_backButton = this.FindControl<Button>("backButton");
_backButton.Click += BackButton_OnClick;
_forwardButton = this.FindControl<Button>("forwardButton");
_forwardButton.Click += ForwardButton_OnClick;
_refreshButton = this.FindControl<Button>("refreshButton");
_refreshButton.Click += RefreshButton_OnClick;
_settingbButton = this.FindControl<Button>("settingButton");
_settingbButton.Click += async (_, __) =>
{
var settingWindow = new SettingWindow();
// 找到 MainView 所在的 Window作为 owner
var parentWindow = this.FindAncestorOfType<Window>();
// 弹窗并等待结果
var result = await settingWindow.ShowDialog<string>(parentWindow);
if (!string.IsNullOrEmpty(result))
{
LoadUrl(result);
}
};
_webView = this.FindControl<WebView>("webView");
string url = SQLiteUtil.LoadUrl();
LoadUrl(url);
_webView.NavigationCompleted += (s, e) =>
{
var vm = this.DataContext as MainViewModel;
if (vm != null)
{
vm.CanGoBack = _webView.IsCanGoBack;
vm.CanGoForward = _webView.IsCanGoForward;
}
};
}
public void BackButton_OnClick(object sender, Avalonia.Interactivity.RoutedEventArgs e)
{
_webView.GoBack();
}
public void ForwardButton_OnClick(object sender, Avalonia.Interactivity.RoutedEventArgs e)
{
_webView.GoForward();
}
public void RefreshButton_OnClick(object sender, Avalonia.Interactivity.RoutedEventArgs e)
{
_webView.Reload();
}
private void LoadUrl(string url)
{
if (Uri.TryCreate(url, UriKind.Absolute, out var uri))
{
_webView.Url = uri;
}
}
}

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<Window xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:vm="using:AvaloniaLinuxForm.ViewModels"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:views="clr-namespace:AvaloniaLinuxForm.Views"
mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
x:Class="AvaloniaLinuxForm.Views.MainWindow"
Icon="/Assets/avalonia-logo.ico"
Title="主界面">
<views:MainView />
</Window>

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using Avalonia.Controls;
namespace AvaloniaLinuxForm.Views;
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
}

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<Window xmlns="https://github.com/avaloniaui"
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"
mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
x:Class="AvaloniaLinuxForm.SettingWindow"
WindowStartupLocation="CenterOwner"
Width="400" Height="150"
Title="系统设置">
<StackPanel Margin="10" Spacing="10">
<TextBox x:Name="urlBox" Watermark="请输入 URL..." />
<Button x:Name="saveButton" Content="保存" Width="80" HorizontalAlignment="Right"/>
</StackPanel>
</Window>

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using Avalonia;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
namespace AvaloniaLinuxForm;
public partial class SettingWindow : Window
{
private TextBox _urlBox;
public SettingWindow()
{
InitializeComponent();
_urlBox = this.FindControl<TextBox>("urlBox");
var saveButton = this.FindControl<Button>("saveButton");
saveButton.Click += SaveButton_Click;
// Ĭ<>ϼ<EFBFBD><CFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD> URL
var savedUrl = SQLiteUtil.LoadUrl();
if (!string.IsNullOrEmpty(savedUrl))
{
_urlBox.Text = savedUrl;
}
}
private void SaveButton_Click(object sender, RoutedEventArgs e)
{
if (!string.IsNullOrWhiteSpace(_urlBox.Text))
{
SQLiteUtil.SaveUrl(_urlBox.Text);
this.Close(_urlBox.Text); // <20><><EFBFBD><EFBFBD> URL <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
}
}

6
Directory.Build.props Normal file
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<Project>
<PropertyGroup>
<Nullable>enable</Nullable>
<AvaloniaVersion>11.1.0</AvaloniaVersion>
</PropertyGroup>
</Project>