新增: 云OSS存储集成（七牛云+阿里云）+多桶导航+GBK编码自动转换

app.go

@@ -18,6 +18,7 @@ import (
 	"u-desk/internal/api"
 	"u-desk/internal/common"
 	"u-desk/internal/filesystem"
+	osssvc "u-desk/internal/ossdrv"
 	"u-desk/internal/service"
 	"u-desk/internal/sftp"
 	"u-desk/internal/storage"
@@ -38,6 +39,7 @@ type App struct {
 	pdfAPI        *api.PdfAPI
 	filesystem    *filesystem.FileSystemService
 	sftpService   *sftp.Service
+	ossService    *osssvc.Service
 	profileSvc    *service.ProfileService
 	isAlwaysOnTop bool
 	mu            sync.Mutex
@@ -217,6 +219,9 @@ func (a *App) ServiceShutdown() error {
 	}
 	sftp.CleanupTempFiles()
 
+	// 关闭所有 OSS 连接
+	osssvc.GetManager().Shutdown()
+
 	return nil
 }
 
@@ -972,6 +977,104 @@ func (a *App) SftpGetSystemInfo(connID string) (map[string]interface{}, error) {
 	return a.ensureSftpService().GetSystemInfo(connID)
 }
 
+// ========== OSS 接口 ==========
+
+func (a *App) ensureOssService() *osssvc.Service {
+	a.mu.Lock()
+	defer a.mu.Unlock()
+	if a.ossService == nil {
+		a.ossService = osssvc.NewService()
+	}
+	return a.ossService
+}
+
+type OssConnectRequest struct {
+	Provider  string `json:"provider"`
+	AccessKey string `json:"access_key"`
+	SecretKey string `json:"secret_key"`
+	Endpoint  string `json:"endpoint"`
+}
+
+func (a *App) OssConnect(req OssConnectRequest) (string, error) {
+	if err := a.ensureOssService().GetManager().Connect(req.Provider, req.AccessKey, req.SecretKey, req.Endpoint); err != nil {
+		return "", err
+	}
+	return req.Provider, nil
+}
+
+// OssDisconnect 断开 OSS 连接
+func (a *App) OssDisconnect(connID string) error {
+	osssvc.GetManager().Disconnect(connID)
+	return nil
+}
+
+// OssListDir OSS 列出目录
+func (a *App) OssListDir(connID string, prefix string) ([]map[string]interface{}, error) {
+	return a.ensureOssService().ListDir(connID, prefix)
+}
+
+// OssDownloadToTemp OSS 下载到临时文件
+func (a *App) OssDownloadToTemp(connID string, key string) (string, error) {
+	return a.ensureOssService().DownloadToTemp(connID, key)
+}
+
+// OssReadFile OSS 读取文件
+func (a *App) OssReadFile(connID string, key string) (string, error) {
+	return a.ensureOssService().ReadFile(connID, key)
+}
+
+// OssWriteFile OSS 写入文件
+func (a *App) OssWriteFile(connID string, key string, content string) error {
+	return a.ensureOssService().WriteFile(connID, key, content)
+}
+
+// OssWriteBase64File OSS 写入 base64 编码文件
+func (a *App) OssWriteBase64File(connID string, key string, base64Content string) error {
+	return a.ensureOssService().WriteBase64File(connID, key, base64Content)
+}
+
+// OssGetFileInfo OSS 获取文件信息
+func (a *App) OssGetFileInfo(connID string, key string) (map[string]interface{}, error) {
+	return a.ensureOssService().GetFileInfo(connID, key)
+}
+
+// OssCreateDir OSS 创建目录
+func (a *App) OssCreateDir(connID string, dirPath string) (*filesystem.FileOperationResult, error) {
+	return a.ensureOssService().CreateDir(connID, dirPath)
+}
+
+// OssCreateFile OSS 创建文件
+func (a *App) OssCreateFile(connID string, filePath string) (*filesystem.FileOperationResult, error) {
+	return a.ensureOssService().CreateFile(connID, filePath)
+}
+
+// OssDeletePath OSS 删除
+func (a *App) OssDeletePath(connID string, key string) (*filesystem.FileOperationResult, error) {
+	return a.ensureOssService().DeletePath(connID, key)
+}
+
+// OssRenamePathRequest OSS 重命名请求
+type OssRenamePathRequest struct {
+	ConnID  string `json:"conn_id"`
+	OldPath string `json:"old_path"`
+	NewPath string `json:"new_path"`
+}
+
+// OssRenamePath OSS 重命名
+func (a *App) OssRenamePath(req OssRenamePathRequest) (*filesystem.FileOperationResult, error) {
+	return a.ensureOssService().RenamePath(req.ConnID, req.OldPath, req.NewPath)
+}
+
+// OssGetCommonPaths OSS 获取常用路径
+func (a *App) OssGetCommonPaths(connID string) (map[string]string, error) {
+	return a.ensureOssService().GetCommonPaths(connID)
+}
+
+// OssGetSignedURL OSS 获取预签名 URL
+func (a *App) OssGetSignedURL(connID string, key string) (string, error) {
+	return a.ensureOssService().GetSignedURL(connID, key)
+}
+
 // --- 连接配置 CRUD (SQLite 持久化) ---
 
 type SaveProfileRequest struct {
@@ -984,6 +1087,11 @@ type SaveProfileRequest struct {
 	KeyPath       string     `json:"key_path"`
 	Type          string     `json:"type"`
 	Token         string     `json:"token"`
+	AccessKey     string     `json:"access_key"`
+	SecretKey     string     `json:"secret_key"`
+	Bucket        string     `json:"bucket"`
+	Region        string     `json:"region"`
+	Endpoint      string     `json:"endpoint"`
 	LastConnected *int64     `json:"last_connected"`
 }
 
@@ -1002,17 +1110,22 @@ func (a *App) LoadConnectionProfiles() ([]map[string]interface{}, error) {
 	result := make([]map[string]interface{}, len(list))
 	for i, p := range list {
 		result[i] = map[string]interface{}{
-			"id":             float64(p.ID),
-			"name":           p.Name,
-			"host":           p.Host,
-			"port":           p.Port,
-			"username":       p.Username,
-			"password":       p.Password,
-			"keyPath":        p.KeyPath,
-			"type":           p.Type,
-			"token":          p.Token,
-			"lastConnected":  p.LastConnected,
-			"sortOrder":      float64(p.SortOrder),
+			"id":            float64(p.ID),
+			"name":          p.Name,
+			"host":          p.Host,
+			"port":          p.Port,
+			"username":      p.Username,
+			"password":      p.Password,
+			"keyPath":       p.KeyPath,
+			"type":          p.Type,
+			"token":         p.Token,
+			"accessKey":     p.AccessKey,
+			"secretKey":     p.SecretKey,
+			"bucket":        p.Bucket,
+			"region":        p.Region,
+			"endpoint":      p.Endpoint,
+			"lastConnected": p.LastConnected,
+			"sortOrder":     float64(p.SortOrder),
 		}
 	}
 	return result, nil
@@ -1023,6 +1136,8 @@ func (a *App) SaveConnectionProfile(req SaveProfileRequest) (map[string]interfac
 		Name: req.Name, Host: req.Host, Port: req.Port,
 		Username: req.Username, Password: req.Password,
 		KeyPath: req.KeyPath, Type: req.Type, Token: req.Token,
+		AccessKey: req.AccessKey, SecretKey: req.SecretKey,
+		Bucket: req.Bucket, Region: req.Region, Endpoint: req.Endpoint,
 	}
 	if req.LastConnected != nil {
 		t := time.Unix(*req.LastConnected, 0)