public byte[] downLoadFile(String fullFilename) {
        byte[] data = null;
        TrackerServer trackerServer = null;
        StorageClient1 storageClient1 = null;
        try {
            trackerServer = fastDfsClientPool.borrowObject();
            storageClient1 = new StorageClient1(trackerServer, null);
            data = storageClient1.downloadFile1(fullFilename);
        } catch (Exception e) {
            throw Lang.makeThrow("[FastdfsService] download file error : %s", e.getMessage());
        } finally {
            if (trackerServer != null)
                fastDfsClientPool.returnObject(trackerServer);
            storageClient1 = null;
        }
        return data;
    }
public byte [ ] downLoadFile ( String fullFilename ) { byte [ ] data = null ; TrackerServer trackerServer = null ; StorageClient1 storageClient1 = null ; try { trackerServer = fastDfsClientPool . borrowObject ( ) ; storageClient1 = new StorageClient1 ( trackerServer , null ) ; data = storageClient1 . downloadFile1 ( fullFilename ) ; } catch ( Exception e ) { throw Lang . makeThrow ( "[FastdfsService] download file error : %s" , e . getMessage ( ) ) ; } finally { if ( trackerServer != null ) fastDfsClientPool . returnObject ( trackerServer ) ; storageClient1 = null ; } return data ; }
下载文件

@param fullFilename 文件路径
@return