add:配置文件损坏自动恢复

Ink Canvas/Helpers/AutoBackupManager.cs

@@ -0,0 +1,216 @@
+using Ink_Canvas.Helpers;
+using Newtonsoft.Json;
+using System;
+using System.IO;
+using System.Linq;
+
+namespace Ink_Canvas.Helpers
+{
+    /// <summary>
+    /// 自动备份管理器
+    /// 负责管理配置文件的自动备份功能
+    /// </summary>
+    public static class AutoBackupManager
+    {
+        private static readonly string BackupDir = Path.Combine(App.RootPath, "Backups");
+        private static readonly string SettingsFile = Path.Combine(App.RootPath, "Configs", "Settings.json");
+        private static readonly string BackupPrefix = "Settings_AutoBackup_";
+
+        /// <summary>
+        /// 检查是否需要执行自动备份
+        /// </summary>
+        /// <param name="settings">设置对象</param>
+        /// <returns>如果需要备份返回true，否则返回false</returns>
+        public static bool ShouldPerformAutoBackup(Settings settings)
+        {
+            try
+            {
+                // 如果自动备份功能未启用，不执行备份
+                if (!settings.Advanced.IsAutoBackupEnabled)
+                {
+                    return false;
+                }
+
+                // 如果从未备份过，需要创建首次备份
+                if (settings.Advanced.LastAutoBackupTime == DateTime.MinValue)
+                {
+                    return true;
+                }
+
+                // 检查是否已超过备份间隔
+                var daysSinceLastBackup = (DateTime.Now - settings.Advanced.LastAutoBackupTime).TotalDays;
+                return daysSinceLastBackup >= settings.Advanced.AutoBackupIntervalDays;
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"检查自动备份条件时出错: {ex.Message}", LogHelper.LogType.Error);
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// 执行自动备份
+        /// </summary>
+        /// <param name="settings">设置对象</param>
+        /// <returns>备份是否成功</returns>
+        public static bool PerformAutoBackup(Settings settings)
+        {
+            try
+            {
+                // 确保备份目录存在
+                if (!Directory.Exists(BackupDir))
+                {
+                    Directory.CreateDirectory(BackupDir);
+                }
+
+                // 检查主配置文件是否存在
+                if (!File.Exists(SettingsFile))
+                {
+                    LogHelper.WriteLogToFile("主配置文件不存在，跳过自动备份", LogHelper.LogType.Warning);
+                    return false;
+                }
+
+                // 创建备份文件名（使用当前日期时间）
+                string backupFileName = $"{BackupPrefix}{DateTime.Now:yyyyMMdd_HHmmss}.json";
+                string backupPath = Path.Combine(BackupDir, backupFileName);
+
+                // 复制主配置文件到备份位置
+                File.Copy(SettingsFile, backupPath, true);
+
+                // 更新最后备份时间
+                settings.Advanced.LastAutoBackupTime = DateTime.Now;
+                MainWindow.SaveSettingsToFile();
+                return true;
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"执行自动备份时出错: {ex.Message}", LogHelper.LogType.Error);
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// 尝试从备份恢复配置文件
+        /// </summary>
+        /// <returns>恢复是否成功</returns>
+        public static bool TryRestoreFromBackup()
+        {
+            try
+            {
+                // 确保备份目录存在
+                if (!Directory.Exists(BackupDir))
+                {
+                    LogHelper.WriteLogToFile("备份目录不存在，无法从备份恢复", LogHelper.LogType.Warning);
+                    return false;
+                }
+
+                // 查找最新的备份文件
+                var backupFiles = Directory.GetFiles(BackupDir, $"{BackupPrefix}*.json")
+                    .OrderByDescending(f => File.GetCreationTime(f))
+                    .ToArray();
+
+                if (backupFiles.Length == 0)
+                {
+                    LogHelper.WriteLogToFile("没有找到可用的备份文件", LogHelper.LogType.Warning);
+                    return false;
+                }
+
+                // 尝试使用最新的备份文件
+                string latestBackup = backupFiles[0];
+
+                // 验证备份文件是否有效
+                try
+                {
+                    string backupJson = File.ReadAllText(latestBackup);
+                    var testSettings = JsonConvert.DeserializeObject<Settings>(backupJson);
+                    if (testSettings == null)
+                    {
+                        LogHelper.WriteLogToFile("备份文件内容无效，无法恢复", LogHelper.LogType.Error);
+                        return false;
+                    }
+                }
+                catch (Exception ex)
+                {
+                    LogHelper.WriteLogToFile($"备份文件验证失败: {ex.Message}", LogHelper.LogType.Error);
+                    return false;
+                }
+
+                // 备份当前损坏的配置文件（如果存在）
+                if (File.Exists(SettingsFile))
+                {
+                    string corruptedBackup = Path.Combine(BackupDir, $"Settings_Corrupted_{DateTime.Now:yyyyMMdd_HHmmss}.json");
+                    File.Copy(SettingsFile, corruptedBackup, true);
+                }
+
+                // 从备份恢复配置文件
+                File.Copy(latestBackup, SettingsFile, true);
+                return true;
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"从备份恢复配置文件时出错: {ex.Message}", LogHelper.LogType.Error);
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// 清理过期的备份文件
+        /// 保留最近30天的备份文件
+        /// </summary>
+        public static void CleanupOldBackups()
+        {
+            try
+            {
+                if (!Directory.Exists(BackupDir))
+                {
+                    return;
+                }
+
+                var cutoffDate = DateTime.Now.AddDays(-30);
+                var backupFiles = Directory.GetFiles(BackupDir, $"{BackupPrefix}*.json");
+
+                int deletedCount = 0;
+                foreach (var file in backupFiles)
+                {
+                    if (File.GetCreationTime(file) < cutoffDate)
+                    {
+                        File.Delete(file);
+                        deletedCount++;
+                    }
+                }
+
+                if (deletedCount > 0)
+                {
+                }
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"清理过期备份文件时出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
+        /// <summary>
+        /// 初始化自动备份功能
+        /// 在应用程序启动时调用
+        /// </summary>
+        /// <param name="settings">设置对象</param>
+        public static void Initialize(Settings settings)
+        {
+            try
+            {
+                // 检查是否需要执行自动备份
+                if (ShouldPerformAutoBackup(settings))
+                {
+                    PerformAutoBackup(settings);
+                }
+
+                // 清理过期备份
+                CleanupOldBackups();
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"初始化自动备份功能时出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+    }
+}

Ink Canvas/MainWindow.xaml

@@ -2333,6 +2333,28 @@
                                     </ui:SimpleStackPanel>
                                     
                                     <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left" Margin="0,5,0,0">
+                                        <TextBlock Foreground="#fafafa" Text="定期自动备份" VerticalAlignment="Center"
+                                                   FontSize="14" Margin="0,0,16,0" />
+                                        <ui:ToggleSwitch OnContent="" OffContent="" Name="ToggleSwitchIsAutoBackupEnabled"
+                                                         IsOn="True" FontFamily="Microsoft YaHei UI" FontWeight="Bold"
+                                                         Toggled="ToggleSwitchIsAutoBackupEnabled_Toggled" />
+                                    </ui:SimpleStackPanel>
+                                    
+                                    <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left" Margin="0,5,0,0">
+                                        <TextBlock Foreground="#fafafa" Text="备份间隔" VerticalAlignment="Center"
+                                                   FontSize="14" Margin="0,0,16,0" />
+                                        <ComboBox x:Name="ComboBoxAutoBackupInterval" Width="100" Margin="0,0,16,0"
+                                                  SelectionChanged="ComboBoxAutoBackupInterval_SelectionChanged">
+                                            <ComboBoxItem Content="1天" Tag="1" />
+                                            <ComboBoxItem Content="3天" Tag="3" />
+                                            <ComboBoxItem Content="7天" Tag="7" IsSelected="True" />
+                                            <ComboBoxItem Content="14天" Tag="14" />
+                                            <ComboBoxItem Content="30天" Tag="30" />
+                                        </ComboBox>
+                                        <TextBlock Foreground="#a1a1aa" Text="（默认7天）" VerticalAlignment="Center" FontSize="12" />
+                                    </ui:SimpleStackPanel>
+                                    
+                                    <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left" Margin="0,10,0,0">
                                         <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"

Ink Canvas/MainWindow.xaml.cs

@@ -390,6 +390,8 @@ namespace Ink_Canvas
             loadPenCanvas();
             //加载设置
             LoadSettings(true);
+            AutoBackupManager.Initialize(Settings);
+            
             // 检查保存路径是否可用，不可用则修正
             try
             {

Ink Canvas/MainWindow_cs/MW_Settings.cs

@@ -2371,6 +2371,26 @@ namespace Ink_Canvas
             SaveSettingsToFile();
         }
 
+        private void ToggleSwitchIsAutoBackupEnabled_Toggled(object sender, RoutedEventArgs e)
+        {
+            if (!isLoaded) return;
+            Settings.Advanced.IsAutoBackupEnabled = ToggleSwitchIsAutoBackupEnabled.IsOn;
+            SaveSettingsToFile();
+        }
+
+        private void ComboBoxAutoBackupInterval_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            if (!isLoaded) return;
+            if (ComboBoxAutoBackupInterval.SelectedItem is ComboBoxItem selectedItem && selectedItem.Tag != null)
+            {
+                if (int.TryParse(selectedItem.Tag.ToString(), out int interval))
+                {
+                    Settings.Advanced.AutoBackupIntervalDays = interval;
+                    SaveSettingsToFile();
+                }
+            }
+        }
+
         private void BtnManualBackup_Click(object sender, RoutedEventArgs e)
         {
             if (!isLoaded) return;

Ink Canvas/MainWindow_cs/MW_SettingsToLoad.cs

@@ -28,12 +28,86 @@ namespace Ink_Canvas
                     {
                         string text = File.ReadAllText(App.RootPath + settingsFileName);
                         Settings = JsonConvert.DeserializeObject<Settings>(text);
+                        
+                        // 验证设置是否成功加载
+                        if (Settings == null)
+                        {
+                            LogHelper.WriteLogToFile("配置文件解析失败，尝试从备份恢复", LogHelper.LogType.Warning);
+                            if (AutoBackupManager.TryRestoreFromBackup())
+                            {
+                                // 重新尝试加载
+                                text = File.ReadAllText(App.RootPath + settingsFileName);
+                                Settings = JsonConvert.DeserializeObject<Settings>(text);
+                                if (Settings != null)
+                                {
+                                }
+                            }
+                            
+                            // 如果仍然失败，使用默认设置
+                            if (Settings == null)
+                            {
+                                LogHelper.WriteLogToFile("从备份恢复失败，使用默认设置", LogHelper.LogType.Warning);
+                                BtnResetToSuggestion_Click(null, null);
+                            }
+                        }
+                    }
+                    catch (Exception ex)
+                    {
+                        LogHelper.WriteLogToFile($"配置文件加载失败: {ex.Message}", LogHelper.LogType.Error);
+                        
+                        // 尝试从备份恢复
+                        LogHelper.WriteLogToFile("尝试从备份恢复配置文件", LogHelper.LogType.Warning);
+                        if (AutoBackupManager.TryRestoreFromBackup())
+                        {
+                            try
+                            {
+                                string text = File.ReadAllText(App.RootPath + settingsFileName);
+                                Settings = JsonConvert.DeserializeObject<Settings>(text);
+                                if (Settings != null)
+                                {
+                                }
+                            }
+                            catch (Exception restoreEx)
+                            {
+                                LogHelper.WriteLogToFile($"从备份恢复后重新加载失败: {restoreEx.Message}", LogHelper.LogType.Error);
+                                Settings = null;
+                            }
+                        }
+                        
+                        // 如果仍然失败，使用默认设置
+                        if (Settings == null)
+                        {
+                            LogHelper.WriteLogToFile("从备份恢复失败，使用默认设置", LogHelper.LogType.Warning);
+                            BtnResetToSuggestion_Click(null, null);
+                        }
                     }
-                    catch { }
                 }
                 else
                 {
-                    BtnResetToSuggestion_Click(null, null);
+                    LogHelper.WriteLogToFile("配置文件不存在，尝试从备份恢复", LogHelper.LogType.Warning);
+                    if (AutoBackupManager.TryRestoreFromBackup())
+                    {
+                        try
+                        {
+                            string text = File.ReadAllText(App.RootPath + settingsFileName);
+                            Settings = JsonConvert.DeserializeObject<Settings>(text);
+                            if (Settings != null)
+                            {
+                            }
+                        }
+                        catch (Exception restoreEx)
+                        {
+                            LogHelper.WriteLogToFile($"从备份恢复后加载失败: {restoreEx.Message}", LogHelper.LogType.Error);
+                            Settings = null;
+                        }
+                    }
+                    
+                    // 如果仍然失败，使用默认设置
+                    if (Settings == null)
+                    {
+                        LogHelper.WriteLogToFile("从备份恢复失败，使用默认设置", LogHelper.LogType.Warning);
+                        BtnResetToSuggestion_Click(null, null);
+                    }
                 }
             }
             catch (Exception ex)
@@ -714,6 +788,17 @@ namespace Ink_Canvas
                 ToggleSwitchIsEnableDPIChangeDetection.IsOn = Settings.Advanced.IsEnableDPIChangeDetection;
                 ToggleSwitchIsEnableAvoidFullScreenHelper.IsOn = Settings.Advanced.IsEnableAvoidFullScreenHelper;
                 ToggleSwitchIsAutoBackupBeforeUpdate.IsOn = Settings.Advanced.IsAutoBackupBeforeUpdate;
+                ToggleSwitchIsAutoBackupEnabled.IsOn = Settings.Advanced.IsAutoBackupEnabled;
+                
+                // 设置备份间隔下拉框
+                foreach (ComboBoxItem item in ComboBoxAutoBackupInterval.Items)
+                {
+                    if (item.Tag != null && int.TryParse(item.Tag.ToString(), out int interval) && interval == Settings.Advanced.AutoBackupIntervalDays)
+                    {
+                        ComboBoxAutoBackupInterval.SelectedItem = item;
+                        break;
+                    }
+                }
                 if (Settings.Advanced.IsEnableFullScreenHelper)
                 {
                     FullScreenHelper.MarkFullscreenWindowTaskbarList(new WindowInteropHelper(this).Handle, true);

Ink Canvas/Resources/Settings.cs

@@ -575,6 +575,15 @@ namespace Ink_Canvas
         [JsonProperty("isAutoBackupBeforeUpdate")]
         public bool IsAutoBackupBeforeUpdate { get; set; } = true;
 
+        [JsonProperty("isAutoBackupEnabled")]
+        public bool IsAutoBackupEnabled { get; set; } = true;
+
+        [JsonProperty("autoBackupIntervalDays")]
+        public int AutoBackupIntervalDays { get; set; } = 7;
+
+        [JsonProperty("lastAutoBackupTime")]
+        public DateTime LastAutoBackupTime { get; set; } = DateTime.MinValue;
+
         [JsonProperty("isNoFocusMode")]
         public bool IsNoFocusMode { get; set; } = true;