🔧 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

internal/handlers/book.go

@@ -0,0 +1,90 @@
+package handlers
+
+import (
+	"fanqie/internal/fqapi"
+	"fmt"
+	"net/http"
+	"strconv"
+)
+
+// HandleSearch 搜索处理
+func HandleSearch(w http.ResponseWriter, r *http.Request) {
+	incrementTotal()
+	incrementSearch()
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+
+	query := r.URL.Query().Get("query")
+	if query == "" {
+		query = r.URL.Query().Get("key")
+	}
+
+	offsetStr := r.URL.Query().Get("offset")
+	offset := 0
+	if offsetStr != "" {
+		offset, _ = strconv.Atoi(offsetStr)
+	}
+
+	tabTypeStr := r.URL.Query().Get("tab_type")
+	tabType := 3
+	if tabTypeStr != "" {
+		tabType, _ = strconv.Atoi(tabTypeStr)
+	}
+
+	result, err := fqapi.HandleBookSearch(query, offset, tabType)
+	if err != nil {
+		fmt.Fprintf(w, `{"code": -1, "msg": "搜索失败: %s"}`, err.Error())
+		return
+	}
+
+	fmt.Fprint(w, result)
+}
+
+// HandleDetail 详情处理
+func HandleDetail(w http.ResponseWriter, r *http.Request) {
+	incrementTotal()
+	incrementDetail()
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+
+	bookID := r.URL.Query().Get("book_id")
+
+	result, err := fqapi.HandleGetDetail(bookID)
+	if err != nil {
+		fmt.Fprintf(w, `{"code": -1, "msg": "获取详情失败: %s"}`, err.Error())
+		return
+	}
+
+	fmt.Fprint(w, result)
+}
+
+// HandleCatalog 目录处理
+func HandleCatalog(w http.ResponseWriter, r *http.Request) {
+	incrementTotal()
+	incrementCatalog()
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+
+	bookID := r.URL.Query().Get("book_id")
+
+	result, err := fqapi.HandleGetCatalog(bookID)
+	if err != nil {
+		fmt.Fprintf(w, `{"code": -1, "msg": "获取目录失败: %s"}`, err.Error())
+		return
+	}
+
+	fmt.Fprint(w, result)
+}
+
+// HandleMultiDetail 批量详情处理
+func HandleMultiDetail(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+
+	bookID := r.URL.Query().Get("book_id")
+
+	result, err := fqapi.HandleGetMultiDetail(bookID)
+	if err != nil {
+		fmt.Fprintf(w, `{"code": -1, "msg": "批量获取详情失败: %s"}`, err.Error())
+		return
+	}
+
+	fmt.Fprint(w, result)
+}
+