🔧 chore: 初始化番茄小说 API 项目结构

新增项目基础框架，包含核心 API 实现、算法模块、HTTP 处理器等完整功能模块

cmd/fanqie/main.go

@@ -0,0 +1,182 @@
+package main
+
+import (
+	"fanqie/internal/algos"
+	"fanqie/internal/common"
+	"fanqie/internal/config"
+	"fanqie/internal/fqapi"
+	"fanqie/internal/handlers"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+)
+
+var (
+	logger        = common.NewLogger("main", "INFO", "")
+	configWatcher *config.ConfigWatcher
+)
+
+func main() {
+	logger.Info("番茄小说API服务 - v2.0.0")
+
+	// 加载配置文件
+	initConfig()
+
+	// 初始化数据库
+	if err := fqapi.InitDB(); err != nil {
+		logger.Error("数据库初始化失败: " + err.Error())
+		os.Exit(1)
+	}
+	defer fqapi.CloseCache() // 程序退出时关闭数据库
+	
+	// 加载统计数据
+	handlers.LoadStatistics()
+	
+	// 启动统计数据定期保存
+	handlers.StartStatisticsSaver()
+	defer handlers.StopStatisticsSaver() // 程序退出时保存统计数据
+
+	// 启动缓存自动清理任务
+	fqapi.StartCacheCleanup()
+	defer fqapi.StopCacheCleanup() // 程序退出时停止清理任务
+
+	// 初始化算法切换器
+	initAlgorithm()
+
+	// 初始化设备密钥池
+	if err := initDeviceKeyPool(); err != nil {
+		logger.Error("设备密钥池初始化失败: " + err.Error())
+		os.Exit(1)
+	}
+
+	// 设置路由
+	setupRoutes()
+
+	// 启动服务器
+	startServer()
+}
+
+// initConfig 初始化配置
+func initConfig() {
+	configPath := "./config/config.yaml"
+	if _, err := os.Stat(configPath); os.IsNotExist(err) {
+		os.MkdirAll("./config", 0755)
+	}
+
+	if err := config.LoadConfig(configPath); err != nil {
+		logger.Warning(fmt.Sprintf("加载配置失败: %v", err))
+	}
+
+	// 启动配置文件热更新监控
+	watcher, err := config.StartConfigWatcher(configPath)
+	if err != nil {
+		logger.Warning(fmt.Sprintf("配置监控失败: %v", err))
+	} else {
+		configWatcher = watcher
+	}
+
+	// 注册配置更新回调
+	config.RegisterConfigCallback(func(cfg *config.Config) {
+		algos.GlobalAlgorithmSwitcher.SwitchAlgorithm(cfg.Fanqie.Algorithm)
+		algos.GlobalSignatureSwitcher.SwitchSignature(cfg.Fanqie.Signature)
+	})
+}
+
+// initAlgorithm 初始化算法
+func initAlgorithm() {
+	if config.AppConfig != nil {
+		algos.GlobalAlgorithmSwitcher.SwitchAlgorithm(config.AppConfig.Fanqie.Algorithm)
+		logger.Info(fmt.Sprintf("当前算法: %s", config.AppConfig.Fanqie.Algorithm))
+		
+		algos.GlobalSignatureSwitcher.SwitchSignature(config.AppConfig.Fanqie.Signature)
+		
+		// 根据签名方法显示详细信息
+		var signatureDetails string
+		if config.AppConfig.Fanqie.Signature == "sign4" {
+			signatureDetails = "X-Gorgon + X-Ladon + X-Argus + X-Khronos"
+		} else {
+			signatureDetails = "X-Gorgon + X-Khronos"
+		}
+		logger.Info(fmt.Sprintf("当前签名方法: %s", signatureDetails))
+	} else {
+		algos.GlobalAlgorithmSwitcher.SwitchAlgorithm("gorgon")
+		algos.GlobalSignatureSwitcher.SwitchSignature("sign2")
+	}
+}
+
+// initDeviceKeyPool 初始化设备密钥池
+func initDeviceKeyPool() error {
+	pool := fqapi.GetDeviceKeyPool()
+	if err := pool.Initialize(); err != nil {
+		return fmt.Errorf("初始化设备密钥池失败: %w", err)
+}
+
+	// 显示池状态
+	stats := pool.GetStats()
+	logger.Info(fmt.Sprintf("设备密钥池状态 - 总数: %d, 有效: %d, 无效: %d",
+		stats["total"], stats["valid"], stats["invalid"]))
+
+	return nil
+}
+
+// setupRoutes 设置路由
+func setupRoutes() {
+	http.HandleFunc("/", handlers.HandleMain)
+	http.HandleFunc("/status", handlers.RequireAccessKey(handlers.HandleStatus))
+	http.HandleFunc("/self-info", handlers.RequireAccessKey(handlers.HandleSelfInfo))
+	http.HandleFunc("/vacuum", handlers.RequireAccessKey(handlers.HandleVacuum))
+
+	// API端点
+	http.HandleFunc("/search", handlers.HandleSearch)
+	http.HandleFunc("/detail", handlers.HandleDetail)
+	http.HandleFunc("/info", handlers.HandleDetail)
+	http.HandleFunc("/catalog", handlers.HandleCatalog)
+	http.HandleFunc("/directory/all_items", handlers.HandleCatalog)
+	http.HandleFunc("/multi-detail", handlers.HandleMultiDetail)
+	http.HandleFunc("/multi-content", handlers.HandleMultiContent)
+	http.HandleFunc("/content", handlers.HandleContent)
+	http.HandleFunc("/item-summary", handlers.HandleItemSummary)
+	http.HandleFunc("/category-front", handlers.HandleCategoryFront)
+	http.HandleFunc("/category-landing", handlers.HandleCategoryLanding)
+	http.HandleFunc("/audio", handlers.HandleAudio)
+	http.HandleFunc("/audio/proxy/", handlers.HandleAudioProxy)
+	http.HandleFunc("/video", handlers.HandleVideo)
+	http.HandleFunc("/manga", handlers.HandleManga)
+	http.HandleFunc("/manga/image/", handlers.HandleMangaImageProxy)
+	
+	// 评论相关端点
+	http.HandleFunc("/chapter_review", handlers.HandleChapterReview)
+	http.HandleFunc("/review", handlers.HandleReview)
+	http.HandleFunc("/review_html", handlers.HandleReviewHTML)
+	
+	// 表情图片静态文件服务
+	http.Handle("/emoji/", http.StripPrefix("/emoji/", http.FileServer(http.Dir("emoji"))))
+}
+
+// startServer 启动服务器
+func startServer() {
+	host := "0.0.0.0"
+	port := "40180"
+	
+	if config.AppConfig != nil {
+		if config.AppConfig.Server.Host != "" {
+			host = config.AppConfig.Server.Host
+		}
+		if config.AppConfig.Server.Port != "" {
+			port = config.AppConfig.Server.Port
+		}
+	}
+	
+	addr := host + ":" + port
+	logger.Info(fmt.Sprintf("服务器启动在 %s", addr))
+
+	if err := http.ListenAndServe(addr, nil); err != nil {
+		logger.Error(fmt.Sprintf("服务器启动失败: %v", err))
+		os.Exit(1)
+	}
+}
+
+func init() {
+	log.SetFlags(log.LstdFlags | log.Lshortfile)
+}