private void connectFtpServer() { try { ftpClient = new FTPClient(); FTPClientConfig ftpClientConfig = new FTPClientConfig(); ftpClientConfig.setServerTimeZoneId(TimeZone.getDefault().getID()); ftpClient.configure(ftpClientConfig); URL url = getURL(); if (url.getPort() <= 0) { ftpClient.connect(url.getHost()); } else { ftpClient.connect(url.getHost(), url.getPort()); } if (!FTPReply.isPositiveCompletion(ftpClient.getReplyCode())) { throw new VFSRuntimeException("连接失败!"); } if (url.getUserInfo() != null) { String userInfo[] = url.getUserInfo().split(":"); String userName = null; String password = null; if (userInfo.length >= 1) { userName = userInfo[0]; } if (userInfo.length >= 2) { password = userInfo[1]; } if (!ftpClient.login(userName, password)) { throw new VFSRuntimeException("登录失败:" + url.toString()); } if (!ftpClient.setFileType(FTP.BINARY_FILE_TYPE)) { throw new VFSRuntimeException("设置二进制类型失败"); } ftpClient.setBufferSize(BUF_SIZE); ftpClient.setControlEncoding("utf-8"); } } catch (Exception e) { throw new VFSRuntimeException(e); } }