add:备份功能

Ink Canvas/Helpers/AutoUpdateHelper.cs

@@ -11,6 +11,7 @@ using System.Windows.Controls;
 using System.IO.Compression;
 using System.Text;
 using System.Collections.Generic;
+using Newtonsoft.Json;
 
 namespace Ink_Canvas.Helpers
 {
@@ -417,6 +418,40 @@ namespace Ink_Canvas.Helpers
         {
             try
             {
+                // 在更新前备份设置文件
+                try
+                {
+                    // 检查是否开启了自动备份
+                    if (MainWindow.Settings.Advanced.IsAutoBackupBeforeUpdate)
+                    {
+                        // 确保Backups目录存在
+                        string backupDir = Path.Combine(App.RootPath, "Backups");
+                        if (!Directory.Exists(backupDir))
+                        {
+                            Directory.CreateDirectory(backupDir);
+                            LogHelper.WriteLogToFile($"创建备份目录: {backupDir}", LogHelper.LogType.Info);
+                        }
+                        
+                        // 创建备份文件名（使用当前日期时间和版本号）
+                        string backupFileName = $"Settings_BeforeUpdate_v{version}_{DateTime.Now:yyyyMMdd_HHmmss}.json";
+                        string backupPath = Path.Combine(backupDir, backupFileName);
+                        
+                        // 序列化当前设置并保存到备份文件
+                        string settingsJson = Newtonsoft.Json.JsonConvert.SerializeObject(MainWindow.Settings, Newtonsoft.Json.Formatting.Indented);
+                        File.WriteAllText(backupPath, settingsJson);
+                        
+                        LogHelper.WriteLogToFile($"更新前自动备份设置成功: {backupPath}", LogHelper.LogType.Info);
+                    }
+                    else
+                    {
+                        LogHelper.WriteLogToFile("更新前自动备份功能已禁用，跳过备份", LogHelper.LogType.Info);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    LogHelper.WriteLogToFile($"更新前自动备份设置时出错: {ex.Message}", LogHelper.LogType.Error);
+                }
+                
                 string zipFilePath = Path.Combine(updatesFolderPath, $"InkCanvasForClass.CE.{version}.zip");
                 LogHelper.WriteLogToFile($"AutoUpdate | Checking for ZIP file: {zipFilePath}");
 

Ink Canvas/MainWindow.xaml

@@ -1877,6 +1877,29 @@
                                     </ui:SimpleStackPanel>
                                     <TextBlock TextWrapping="Wrap" Foreground="#a1a1aa"
                                                Text="# 当检测到系统分辨率变化时，会尝试检测FloatingBar是否在屏幕内显示，如果不在屏幕内显示将会尝试移动到屏幕内可见区域（分辨率调小可能会触发，如果在屏幕内不会自动调整位置，请手动挡）。" />
+                                    
+                                    <!-- 添加备份相关按钮 -->
+                                    <Line HorizontalAlignment="Center" X1="0" Y1="0" X2="400" Y2="0" Stroke="#3f3f46"
+                                          StrokeThickness="1" Margin="0,4,0,4" />
+                                    <TextBlock Text="设置备份与还原" FontWeight="Bold" Foreground="#fafafa"
+                                               FontSize="16" Margin="0,5,0,5" />
+                                    <TextBlock TextWrapping="Wrap" Foreground="#a1a1aa"
+                                               Text="# 可手动备份当前设置或还原之前的备份，自动更新前也会自动备份" />
+                                    
+                                    <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left">
+                                        <TextBlock Foreground="#fafafa" Text="自动更新前备份" VerticalAlignment="Center"
+                                                   FontSize="14" Margin="0,0,16,0" />
+                                        <ui:ToggleSwitch OnContent="" OffContent="" Name="ToggleSwitchIsAutoBackupBeforeUpdate"
+                                                         IsOn="True" FontFamily="Microsoft YaHei UI" FontWeight="Bold"
+                                                         Toggled="ToggleSwitchIsAutoBackupBeforeUpdate_Toggled" />
+                                    </ui:SimpleStackPanel>
+                                    
+                                    <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left" Margin="0,5,0,0">
+                                        <Button x:Name="BtnManualBackup" Content="手动备份" Click="BtnManualBackup_Click"
+                                                Background="#2563eb" Foreground="White" Padding="12,6" Margin="0,0,12,0" />
+                                        <Button x:Name="BtnRestoreBackup" Content="还原备份" Click="BtnRestoreBackup_Click"
+                                                Background="#2563eb" Foreground="White" Padding="12,6" />
+                                    </ui:SimpleStackPanel>
                                 </ui:SimpleStackPanel>
                             </GroupBox>
                             <GroupBox>

Ink Canvas/MainWindow_cs/MW_Settings.cs

@@ -13,6 +13,8 @@ using System.Windows.Media.Imaging;
 using System.Windows.Interop;
 using Hardcodet.Wpf.TaskbarNotification;
 using OSVersionExtension;
+using Microsoft.Win32;
+using System.IO;
 
 namespace Ink_Canvas {
     public partial class MainWindow : Window {
@@ -1814,6 +1816,100 @@ namespace Ink_Canvas {
             SaveSettingsToFile();
         }
         
+        private void ToggleSwitchIsAutoBackupBeforeUpdate_Toggled(object sender, RoutedEventArgs e) {
+            if (!isLoaded) return;
+            Settings.Advanced.IsAutoBackupBeforeUpdate = ToggleSwitchIsAutoBackupBeforeUpdate.IsOn;
+            SaveSettingsToFile();
+        }
+        
+        private void BtnManualBackup_Click(object sender, RoutedEventArgs e) {
+            if (!isLoaded) return;
+            
+            try {
+                // 确保Backups目录存在
+                string backupDir = Path.Combine(App.RootPath, "Backups");
+                if (!Directory.Exists(backupDir)) {
+                    Directory.CreateDirectory(backupDir);
+                    LogHelper.WriteLogToFile($"创建备份目录: {backupDir}", LogHelper.LogType.Info);
+                }
+                
+                // 创建备份文件名（使用当前日期时间）
+                string backupFileName = $"Settings_Backup_{DateTime.Now:yyyyMMdd_HHmmss}.json";
+                string backupPath = Path.Combine(backupDir, backupFileName);
+                
+                // 序列化当前设置并保存到备份文件
+                string settingsJson = JsonConvert.SerializeObject(Settings, Formatting.Indented);
+                File.WriteAllText(backupPath, settingsJson);
+                
+                LogHelper.WriteLogToFile($"成功创建设置备份: {backupPath}", LogHelper.LogType.Info);
+                MessageBox.Show($"设置已成功备份到:\n{backupPath}", "备份成功", MessageBoxButton.OK, MessageBoxImage.Information);
+            }
+            catch (Exception ex) {
+                LogHelper.WriteLogToFile($"创建设置备份时出错: {ex.Message}", LogHelper.LogType.Error);
+                MessageBox.Show($"创建备份失败: {ex.Message}", "备份失败", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+        
+        private void BtnRestoreBackup_Click(object sender, RoutedEventArgs e) {
+            if (!isLoaded) return;
+            
+            try {
+                // 确保Backups目录存在
+                string backupDir = Path.Combine(App.RootPath, "Backups");
+                if (!Directory.Exists(backupDir)) {
+                    Directory.CreateDirectory(backupDir);
+                    LogHelper.WriteLogToFile($"创建备份目录: {backupDir}", LogHelper.LogType.Info);
+                    MessageBox.Show("没有找到备份文件，请先创建备份", "还原失败", MessageBoxButton.OK, MessageBoxImage.Warning);
+                    return;
+                }
+                
+                // 打开文件选择对话框
+                OpenFileDialog dlg = new OpenFileDialog();
+                dlg.InitialDirectory = backupDir;
+                dlg.Filter = "设置备份文件|Settings_Backup_*.json|所有JSON文件|*.json";
+                dlg.Title = "选择要还原的备份文件";
+                
+                if (dlg.ShowDialog() == true) {
+                    // 读取备份文件
+                    string backupJson = File.ReadAllText(dlg.FileName);
+                    
+                    // 反序列化备份数据
+                    Settings backupSettings = JsonConvert.DeserializeObject<Settings>(backupJson);
+                    
+                    if (backupSettings != null) {
+                        // 确认是否要还原
+                        if (MessageBox.Show("确定要还原选择的备份文件吗？当前设置将被覆盖。", "确认还原", 
+                                MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes) {
+                            
+                            // 备份当前设置，以防出错
+                            string currentSettingsJson = JsonConvert.SerializeObject(Settings, Formatting.Indented);
+                            string tempBackupPath = Path.Combine(backupDir, $"Settings_Before_Restore_{DateTime.Now:yyyyMMdd_HHmmss}.json");
+                            File.WriteAllText(tempBackupPath, currentSettingsJson);
+                            
+                            // 还原设置
+                            Settings = backupSettings;
+                            
+                            // 保存还原后的设置到文件
+                            SaveSettingsToFile();
+                            
+                            // 重新加载设置到UI
+                            LoadSettings();
+                            
+                            LogHelper.WriteLogToFile($"成功从备份还原设置: {dlg.FileName}", LogHelper.LogType.Info);
+                            MessageBox.Show("设置已成功还原，部分设置可能需要重启软件后生效。", "还原成功", MessageBoxButton.OK, MessageBoxImage.Information);
+                        }
+                    }
+                    else {
+                        MessageBox.Show("无法解析备份文件，文件可能已损坏", "还原失败", MessageBoxButton.OK, MessageBoxImage.Error);
+                    }
+                }
+            }
+            catch (Exception ex) {
+                LogHelper.WriteLogToFile($"还原设置备份时出错: {ex.Message}", LogHelper.LogType.Error);
+                MessageBox.Show($"还原备份失败: {ex.Message}", "还原失败", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
         #endregion
 
         #region RandSettings

Ink Canvas/MainWindow_cs/MW_SettingsToLoad.cs

@@ -555,6 +555,7 @@ namespace Ink_Canvas {
                 ToggleSwitchIsEnableResolutionChangeDetection.IsOn = Settings.Advanced.IsEnableResolutionChangeDetection;
                 ToggleSwitchIsEnableDPIChangeDetection.IsOn = Settings.Advanced.IsEnableDPIChangeDetection;
                 ToggleSwitchIsEnableAvoidFullScreenHelper.IsOn = Settings.Advanced.IsEnableAvoidFullScreenHelper;
+                ToggleSwitchIsAutoBackupBeforeUpdate.IsOn = Settings.Advanced.IsAutoBackupBeforeUpdate;
                 if (Settings.Advanced.IsEnableFullScreenHelper) {
                     FullScreenHelper.MarkFullscreenWindowTaskbarList(new WindowInteropHelper(this).Handle, true);
                 }

Ink Canvas/Resources/Settings.cs

@@ -418,6 +418,9 @@ namespace Ink_Canvas
 
         [JsonProperty("isEnableAvoidFullScreenHelper")]
         public bool IsEnableAvoidFullScreenHelper { get; set; } = false;
+        
+        [JsonProperty("isAutoBackupBeforeUpdate")]
+        public bool IsAutoBackupBeforeUpdate { get; set; } = true;
     }
 
     public class InkToShape