fix(wpf): 添加配置文件缺失时的默认配置支持

src/WCTDataMiner.Wpf/App.xaml.cs

@@ -1,8 +1,12 @@
+using System.IO;
 using System.Windows;
+using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
+using Serilog;
 using WCTDataMiner.Core.Extensions;
 using WCTDataMiner.Core.Services;
+using WCTDataMiner.Wpf.Configuration;
 using WCTDataMiner.Wpf.ViewModels;
 using WCTDataMiner.Wpf.Views;
 
@@ -14,12 +18,52 @@ namespace WCTDataMiner.Wpf;
 public partial class App : Application
 {
     private IHost? _host;
+    private ILogger? _logger;
 
     protected override void OnStartup(StartupEventArgs e)
     {
+        // 使用 ConfigurationLoader 加载配置，支持文件缺失
+        var configuration = ConfigurationLoader.LoadConfiguration(
+            AppDomain.CurrentDomain.BaseDirectory,
+            out var configFileExists);
+
+        // 配置 Serilog - 从配置文件读取
+        Log.Logger = new LoggerConfiguration()
+            .ReadFrom.Configuration(configuration)
+            .Enrich.FromLogContext()
+            .CreateLogger();
+
+        _logger = Log.ForContext<App>();
+
+        if (!configFileExists)
+        {
+            _logger.Information("配置文件 appsettings.json 不存在，使用默认配置启动");
+        }
+
+        _logger.Information("WCTDataMiner WPF 应用启动");
+
         _host = Host.CreateDefaultBuilder()
+            .ConfigureAppConfiguration((context, configBuilder) =>
+            {
+                configBuilder.Sources.Clear();
+                configBuilder.SetBasePath(AppDomain.CurrentDomain.BaseDirectory);
+
+                if (configFileExists)
+                {
+                    configBuilder.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true);
+                }
+                else
+                {
+                    configBuilder.AddInMemoryCollection(DefaultAppSettings.GetDefaultConfiguration());
+                }
+
+                configBuilder.AddEnvironmentVariables("WCTDM_");
+            })
             .ConfigureServices((context, services) =>
             {
+                // 添加 Serilog
+                services.AddSerilog();
+
                 // 注册 Core 层服务
                 services.AddDatabaseServices(context.Configuration);
                 services.AddApplicationServices();
@@ -48,6 +92,8 @@ public partial class App : Application
 
     protected override void OnExit(ExitEventArgs e)
     {
+        _logger?.Information("WCTDataMiner WPF 应用退出");
+        Log.CloseAndFlush();
         _host?.Dispose();
         base.OnExit(e);
     }

src/WCTDataMiner.Wpf/Configuration/ConfigurationLoader.cs

@@ -0,0 +1,37 @@
+using System.IO;
+using Microsoft.Extensions.Configuration;
+
+namespace WCTDataMiner.Wpf.Configuration;
+
+/// <summary>
+/// 配置加载器 - 支持配置文件缺失时的默认配置
+/// </summary>
+public static class ConfigurationLoader
+{
+    /// <summary>
+    /// 加载配置，如果文件不存在则使用默认配置
+    /// </summary>
+    /// <param name="basePath">配置文件基础路径</param>
+    /// <param name="configFileExists">输出参数：指示配置文件是否存在</param>
+    /// <returns>配置对象</returns>
+    public static IConfiguration LoadConfiguration(string basePath, out bool configFileExists)
+    {
+        var settingsPath = Path.Combine(basePath, "appsettings.json");
+        configFileExists = File.Exists(settingsPath);
+
+        var builder = new ConfigurationBuilder().SetBasePath(basePath);
+
+        if (configFileExists)
+        {
+            builder.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true);
+        }
+        else
+        {
+            // 使用默认配置
+            builder.AddInMemoryCollection(DefaultAppSettings.GetDefaultConfiguration());
+        }
+
+        builder.AddEnvironmentVariables("WCTDM_");
+        return builder.Build();
+    }
+}

src/WCTDataMiner.Wpf/Configuration/DefaultAppSettings.cs

@@ -0,0 +1,30 @@
+namespace WCTDataMiner.Wpf.Configuration;
+
+/// <summary>
+/// 默认应用配置 - 当配置文件缺失时使用
+/// </summary>
+public static class DefaultAppSettings
+{
+    /// <summary>
+    /// 获取默认配置字典
+    /// </summary>
+    public static Dictionary<string, string?> GetDefaultConfiguration()
+    {
+        return new Dictionary<string, string?>
+        {
+            // Serilog 配置
+            ["Serilog:MinimumLevel:Default"] = "Information",
+            ["Serilog:MinimumLevel:Override:WCTDataMiner"] = "Debug",
+            ["Serilog:MinimumLevel:Override:Microsoft"] = "Warning",
+            ["Serilog:WriteTo:0:Name"] = "Console",
+            ["Serilog:WriteTo:1:Name"] = "File",
+            ["Serilog:WriteTo:1:Args:path"] = "./data/logs/wctdataminer-.log",
+            ["Serilog:WriteTo:1:Args:rollingInterval"] = "Day",
+            ["Serilog:WriteTo:1:Args:outputTemplate"] = "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} [{Level:u3}] {Message:lj}{NewLine}{Exception}",
+
+            // 数据库配置
+            ["Database:Type"] = "sqlite",
+            ["Database:Path"] = "./data/database/wctminer.db"
+        };
+    }
+}

src/WCTDataMiner.Wpf/WCTDataMiner.Wpf.csproj

@@ -20,6 +20,13 @@
     <!-- DI -->
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
+
+    <!-- Logging -->
+    <PackageReference Include="Serilog" Version="4.0.0" />
+    <PackageReference Include="Serilog.Extensions.Hosting" Version="8.0.0" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.0" />
+    <PackageReference Include="Serilog.Sinks.Console" Version="5.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
   </ItemGroup>
 
   <ItemGroup>