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重构静态文件处理逻辑，新增tryFiles方法以实现类似Nginx的try_files功能，优化路径处理和调试日志；移除不再使用的resolveFilePath方法，简化ServeStatic逻辑。
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@ -4,3 +4,4 @@
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data/data.db
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data/server.log
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data/stats.json
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server.exe
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@ -1,6 +1,7 @@
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package handlers
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import (
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"fmt"
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"net/http"
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"os"
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"path/filepath"
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@ -17,31 +18,17 @@ func NewStaticHandler(staticDir string) *StaticHandler {
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}
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}
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// ServeStatic 处理静态文件请求
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// ServeStatic 处理静态文件请求，实现类似 Nginx try_files 的逻辑
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func (s *StaticHandler) ServeStatic(w http.ResponseWriter, r *http.Request) {
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// 获取请求路径
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path := r.URL.Path
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// 如果是根路径，重定向到 index.html
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if path == "/" {
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path = "/index.html"
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}
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// 添加调试日志
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fmt.Printf("DEBUG: 请求路径: %s\n", path)
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// 处理 Next.js 静态导出的路由问题
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filePath := s.resolveFilePath(path)
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// 实现 try_files $uri $uri/ @router 逻辑
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filePath := s.tryFiles(path)
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// 检查文件是否存在
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if _, err := os.Stat(filePath); os.IsNotExist(err) {
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// 如果文件不存在，检查是否是前端路由
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if s.isFrontendRoute(path) {
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// 对于前端路由，返回 index.html
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filePath = filepath.Join(s.staticDir, "index.html")
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} else {
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// 不是前端路由，返回 404
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http.NotFound(w, r)
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return
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}
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}
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fmt.Printf("DEBUG: 最终文件路径: %s\n", filePath)
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// 设置正确的 Content-Type
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s.setContentType(w, filePath)
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@ -50,63 +37,63 @@ func (s *StaticHandler) ServeStatic(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, filePath)
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}
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// resolveFilePath 解析文件路径，处理 Next.js 静态导出的路由问题
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func (s *StaticHandler) resolveFilePath(path string) string {
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// 移除查询参数和锚点
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if idx := strings.Index(path, "?"); idx != -1 {
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path = path[:idx]
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}
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if idx := strings.Index(path, "#"); idx != -1 {
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path = path[:idx]
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// tryFiles 实现类似 Nginx try_files 的逻辑
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func (s *StaticHandler) tryFiles(requestPath string) string {
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// 清理路径
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if requestPath == "" {
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requestPath = "/"
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}
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// 构建初始文件路径
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filePath := filepath.Join(s.staticDir, path)
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// 移除查询参数
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if idx := strings.Index(requestPath, "?"); idx != -1 {
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requestPath = requestPath[:idx]
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}
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// 如果路径以斜杠结尾，尝试查找 index.html
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if strings.HasSuffix(path, "/") {
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indexPath := filepath.Join(filePath, "index.html")
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if _, err := os.Stat(indexPath); err == nil {
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return indexPath
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}
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} else {
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// 如果路径不以斜杠结尾，先检查是否存在对应的文件
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if _, err := os.Stat(filePath); err == nil {
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return filePath
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// 1. 尝试 $uri - 直接文件路径
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directPath := filepath.Join(s.staticDir, requestPath)
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if s.fileExists(directPath) && !s.isDirectory(directPath) {
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fmt.Printf("DEBUG: 找到直接文件: %s\n", directPath)
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return directPath
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}
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// 2. 尝试 $uri/ - 目录下的 index.html
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if requestPath != "/" {
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dirPath := filepath.Join(s.staticDir, requestPath)
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if s.isDirectory(dirPath) {
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indexPath := filepath.Join(dirPath, "index.html")
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if s.fileExists(indexPath) {
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fmt.Printf("DEBUG: 找到目录下的 index.html: %s\n", indexPath)
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return indexPath
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}
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}
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// 如果文件不存在，尝试查找对应目录下的 index.html
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indexPath := filepath.Join(filePath, "index.html")
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if _, err := os.Stat(indexPath); err == nil {
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return indexPath
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}
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// 尝试添加 .html 扩展名
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htmlPath := filePath + ".html"
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if _, err := os.Stat(htmlPath); err == nil {
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// 也尝试添加 .html 扩展名
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htmlPath := directPath + ".html"
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if s.fileExists(htmlPath) {
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fmt.Printf("DEBUG: 找到 HTML 文件: %s\n", htmlPath)
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return htmlPath
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}
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}
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return filePath
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// 3. @router - 回退到根目录的 index.html (SPA 路由处理)
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fallbackPath := filepath.Join(s.staticDir, "index.html")
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fmt.Printf("DEBUG: 回退到根 index.html: %s\n", fallbackPath)
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return fallbackPath
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}
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// isFrontendRoute 判断是否是前端路由
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func (s *StaticHandler) isFrontendRoute(path string) bool {
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// 前端路由通常以 /admin 开头
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if strings.HasPrefix(path, "/admin") {
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return true
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}
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// fileExists 检查文件是否存在
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func (s *StaticHandler) fileExists(path string) bool {
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_, err := os.Stat(path)
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return err == nil
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}
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// 排除 API 路径和静态资源
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if strings.HasPrefix(path, "/api/") ||
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strings.HasPrefix(path, "/_next/") ||
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strings.HasPrefix(path, "/static/") ||
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strings.Contains(path, ".") {
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// isDirectory 检查路径是否为目录
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func (s *StaticHandler) isDirectory(path string) bool {
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info, err := os.Stat(path)
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if err != nil {
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return false
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}
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return false
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return info.IsDir()
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}
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// setContentType 设置正确的 Content-Type
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@ -143,20 +143,6 @@ func (r *Router) HandleFunc(pattern string, handler func(http.ResponseWriter, *h
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}
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func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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// 规范化路径，处理尾斜杠问题
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path := req.URL.Path
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// 对于前端路由，统一处理尾斜杠
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if strings.HasPrefix(path, "/admin") && path != "/admin" && strings.HasSuffix(path, "/") {
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// 移除尾斜杠并重定向
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newPath := strings.TrimSuffix(path, "/")
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if req.URL.RawQuery != "" {
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newPath += "?" + req.URL.RawQuery
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}
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http.Redirect(w, req, newPath, http.StatusMovedPermanently)
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return
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}
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// 首先检查是否是静态文件请求或前端路由
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if r.staticHandler != nil && r.shouldServeStatic(req.URL.Path) {
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r.staticHandler.ServeStatic(w, req)
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