QCloudSMHDeleteObjectRequest *req = [QCloudSMHDeleteObjectRequest new];
// 媒体库 ID，必选参数
req.libraryId = @"libraryId";
// 空间 ID，如果媒体库为单租户模式，则该参数固定为连字符(-)；如果媒体库为多租户模式，则必须指定该参数
req.spaceId = @"spaceId";
NSMutableArray *batchInfos = [NSMutableArray array];
QCloudSMHBatchDeleteInfo *info = [QCloudSMHBatchDeleteInfo new];
// 被删除的目录、相簿或文件路径；
info.path = testDirName;
[batchInfos addObject:info];

req.batchInfos = [batchInfos copy];
[req setFinishBlock:^(QCloudSMHBatchResult *result, NSError *_Nullable error) {

}];
[[QCloudSMHService defaultSMHService]deleteObject:req];