package localchat import ( "encoding/json" "fmt" "godo/libs" "log" "net/http" "os" "path/filepath" ) type FileList struct { Files []string `json:"fileList"` } func HandleGetFiles(w http.ResponseWriter, r *http.Request) { if r.Method != "POST" { http.Error(w, "Only POST method is allowed", http.StatusMethodNotAllowed) return } var fileList FileList err := json.NewDecoder(r.Body).Decode(&fileList) if err != nil { http.Error(w, "Invalid request body", http.StatusBadRequest) return } log.Printf("Received file list: %v", fileList) defer r.Body.Close() baseDir, err := libs.GetOsDir() if err != nil { log.Printf("Failed to get OS directory: %v", err) return } // 用于存储文件列表 var files []string for _, filePath := range fileList.Files { fp := filepath.Join(baseDir, filePath) if err := serveDirectory(w, r, fp, &files); err != nil { http.Error(w, fmt.Sprintf("Failed to serve directory: %v", err), http.StatusInternalServerError) return } } // 将文件列表编码为 JSON 并返回 jsonData, err := json.Marshal(files) if err != nil { http.Error(w, "Failed to marshal file list", http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json") w.Write(jsonData) } func serveDirectory(w http.ResponseWriter, r *http.Request, dirPath string, files *[]string) error { filesInDir, err := os.ReadDir(dirPath) if err != nil { return fmt.Errorf("failed to read directory: %v", err) } for _, f := range filesInDir { filePath := filepath.Join(dirPath, f.Name()) if f.IsDir() { if err := serveDirectory(w, r, filePath, files); err != nil { return err } } else { *files = append(*files, filePath) } } return nil } func ServeFile(w http.ResponseWriter, r *http.Request, filePath string) error { file, err := os.Open(filePath) if err != nil { return fmt.Errorf("failed to open file: %v", err) } defer file.Close() fileInfo, err := file.Stat() if err != nil { return fmt.Errorf("failed to stat file: %v", err) } if fileInfo.IsDir() { return serveDirectory(w, r, filePath, nil) } http.ServeContent(w, r, fileInfo.Name(), fileInfo.ModTime(), file) return nil }