Modify: add recursive options for list method

Test: local.List

pkg/filesystem/driver/local/handler.go

@@ -24,7 +24,7 @@ type Driver struct {
 }
 
 // List 递归列取给定物理路径下所有文件
-func (handler Driver) List(ctx context.Context, path string) ([]response.Object, error) {
+func (handler Driver) List(ctx context.Context, path string, recursive bool) ([]response.Object, error) {
 	var res []response.Object
 
 	// 取得起始路径
@@ -58,6 +58,11 @@ func (handler Driver) List(ctx context.Context, path string) ([]response.Object,
 				LastModify:   info.ModTime(),
 			})
 
+			// 如果非递归，则不步入目录
+			if !recursive && info.IsDir() {
+				return filepath.SkipDir
+			}
+
 			return nil
 		})