/**
* FTP-文件下载
*
* @param string $local_file 本地文件
* @param string $ftp_file Ftp文件
*
* @return bool
*/
public function download($local_file, $ftp_file)
{
if (empty($local_file) || empty($ftp_file)) {
return false;
}
$ret = ftp_nb_get($this->linkid, $local_file, $ftp_file, FTP_BINARY);
while ($ret == FTP_MOREDATA) {
$ret = ftp_nb_continue($this->linkid);
}
if ($ret != FTP_FINISHED) {
return false;
}
return true;
}
function down($file, $name = "")
{
if (!$file) {
return false;
}
if (!$name) {
$name = basename($file);
}
$rs = ftp_nb_get($this->conn, $file, $file, FTP_BINARY);
while ($res == FTP_MOREDATA) {
$res = ftp_nb_continue($this->conn);
}
if ($res == FTP_FINISHED) {
return true;
} elseif ($res == FTP_FAILED) {
return false;
}
}
/**
* 下载文件（支持全新下载和断点下载）
* @uses $exist = file_exists($local) <br>
* <pre>
* 1、指定的本地文件存在
* 1.1全新：选定了全新下载，但指定的本地文件已存在
* （开发者可根据此状态来询问客户端是否需要覆盖本地文件）<br>
* （当客户端决定覆盖上传时，应该先使服务器备份指定的本地文件，再继续全新下载）<br>
* 1.2续传：正常执行断点下载
* 2、指定的本地文件不存在
* 2.1全新：正常执行全新下载
* 2.2续传：选定了断点下载，但指定的本地文件不存在
* （开发者可根据此状态来询问客户端是否要继续下载）<br>
* （当客户端决定继续下载时，应该采用全新下载方式）<br>
* </pre>
* @param string $local 本地文件路径（如e:\abc\def.txt或./a/b/c.txt）
* @param string $remote 远程文件全路径（如/a/b/c.txt）
* @param boolean $isContinue 是否断点续传，默认为false，全新下载
* @return int 下载状态<br>
* AiFtpStatus::DOWNLOAD_FILE_SUCCESS为上传成功，<br>
* 其它值为下载失败。<br>
* 上传失败的原因一般有：连接断开、编码错误、远程文件不存在、本地文件已存在等等<br>
*/
function downloadFile($local, $remote, $isContinue = false)
{
$local = $this->scriptToFsCharset($local);
$remote = $this->upcharconv($remote);
if (-1 == ftp_size($this->stream, $remote)) {
return $isContinue ? AiFtpStatus::DOWNLOAD_HALF_FILE_HASNO_REMOTEFILE : AiFtpStatus::DOWNLOAD_NEW_FILE_HASNO_REMOTEFILE;
}
$ret = null;
if (file_exists($local)) {
if (!$isContinue) {
return AiFtpStatus::DOWNLOAD_NEW_FILE_EXIST_LOCALFILE;
}
//ftp_set_option($this->stream, FTP_AUTOSEEK, false);//禁止自动搜寻断点开始处
@($ret = ftp_nb_get($this->stream, $local, $remote, FTP_BINARY, filesize($local)));
} else {
if ($isContinue) {
return AiFtpStatus::DOWNLOAD_HALF_FILE_HASNO_LOCALFILE;
}
@($ret = ftp_nb_get($this->stream, $local, $remote, FTP_BINARY));
}
while (FTP_MOREDATA == $ret) {
$ret = ftp_nb_continue($this->stream);
}
if (FTP_FINISHED != $ret) {
return $isContinue ? AiFtpStatus::DOWNLOAD_HALF_FILE_UN_FINISH : AiFtpStatus::DOWNLOAD_NEW_FILE_UN_FINISH;
}
return AiFtpStatus::DOWNLOAD_FILE_SUCCESS;
}
<?php
require 'server.inc';
$ftp = ftp_connect('127.0.0.1', $port);
ftp_login($ftp, 'user', 'pass');
if (!$ftp) {
die("Couldn't connect to the server");
}
$local_file = dirname(__FILE__) . DIRECTORY_SEPARATOR . "ftp_nb_get_large.txt";
touch($local_file);
ftp_nb_get($ftp, $local_file, 'fget_large.txt', FTP_BINARY, 5368709119);
$fp = fopen($local_file, 'r');
fseek($fp, 5368709119);
var_dump(fread($fp, 1));
var_dump(filesize($local_file));
fclose($fp);
@unlink(dirname(__FILE__) . DIRECTORY_SEPARATOR . "ftp_nb_get_large.txt");
function ftp_get_file($opts, $pipe = false, $cmd = __FUNCTION__)
{
# set prefix
$prefix = 'ftp';
# merge opts
$opts = merge_opts($opts, $pipe, 'remote_file');
# get execute opt
$execute = get_opt_config_value($prefix, $opts, 'execute', true);
if (!check_opt_set_type($cmd, $execute, 'execute', 'boolean')) {
return false;
}
# check if we should execute or not
if (!$execute) {
return true;
}
# get remote file opt
$remote_file = get_opt($prefix, $opts, 'remote_file');
if (!check_opt_set_type($cmd, $remote_file, 'remote_file', 'string')) {
return false;
}
# get local file opt
$local_file = get_opt($prefix, $opts, 'local_file', $remote_file);
if (!check_opt_set_type($cmd, $local_file, 'local_file', 'string')) {
return false;
}
# get get retries opt
$get_retries = get_opt_config_value($prefix, $opts, 'get_retries', 3);
if (!check_opt_set_type($cmd, $get_retries, 'get_retries', 'integer')) {
return false;
}
# get download progress update opt
$download_progress_update = get_opt_config_value($prefix, $opts, 'download_progress_update', true);
if (!check_opt_set_type($cmd, $download_progress_update, 'download_progress_update', 'boolean')) {
return false;
}
# check to see if we shall re-use the file if it already exists
if (is_file($local_file)) {
$use_saved_file = get_opt_config_value($prefix, $opts, 'use_saved_file', true);
if (!check_opt_set_type($cmd, $use_saved_file, 'use_saved_file', 'boolean')) {
return false;
}
# get backup old downloaded files
$backup_old_saved_files = get_opt_config_value($prefix, $opts, 'backup_old_saved_files', true);
if (!check_opt_set_type($cmd, $backup_old_saved_files, 'backup_old_saved_files', 'boolean')) {
return false;
}
if ($use_saved_file) {
debug_echo($cmd, "using saved file instead of executing the FTP request : {$local_file}");
return array('file' => $local_file);
} elseif ($backup_old_saved_files && !backup_file($local_file)) {
return error($cmd, "could not backup previously downloaded file : {$local_file}");
}
}
# setup connection
$conn = ftp_get_conn($opts, $cmd);
if (!$conn) {
return false;
}
# get connection values
$ftp_handle = $conn['handle'];
$svr = $conn['svr'];
# make the parent dir of local file
if (!make_dir(dirname($local_file), $opts, $cmd)) {
return false;
}
# get the size of the remote file
$size = ftp_size($ftp_handle, $remote_file);
if ($size == -1) {
debug_echo($cmd, "fetching file from FTP server : {$remote_file} => {$local_file} (unknown size) ...");
} else {
$size_str = human_filesize($size);
debug_echo($cmd, "fetching file from FTP server : {$remote_file} => {$local_file} (size: {$size_str}) ...");
}
# get the file
if ($download_progress_update) {
# get the file with a progress monitor (a little slower)
for ($j = 0; $j < $get_retries; $j++) {
$ret = ftp_nb_get($ftp_handle, $local_file, $remote_file, FTP_BINARY);
while ($ret == FTP_MOREDATA) {
# get the size of the downloaded file (note: we need to use file handlers otherwise it doesn't work)
$fh = fopen($local_file, 'r');
$stat = fstat($fh);
$dl_size = $stat['size'];
fclose($fh);
# print progress
download_progress($size, $dl_size);
# continue downloading
$ret = ftp_nb_continue($ftp_handle);
}
if ($ret == FTP_FINISHED) {
return array('file' => $local_file);
}
}
} else {
# get local handle
$local_file_handle = fopen($local_file, 'w');
if (!$local_file_handle) {
return error($cmd, "could not open local file : {$local_file}");
}
# get the file without a progress monitor (a bit quicker)
for ($j = 0; $j < $get_retries; $j++) {
if (@ftp_fget($ftp_handle, $local_file_handle, $remote_file, FTP_BINARY)) {
return array('file' => $local_file);
}
}
fclose($local_file_handle);
}
return error($cmd, "could not fetch file from FTP server : {$remote_file}");
}
/**
* Download a file from FTP server.
*
* @param string local file
* @param string remote file The remote file path.
* @param const mode The transfer mode. Must be either <strong>FTP_ASCII</strong> or <strong>FTP_BINARY</strong>.
* @param boolean $asynchronous Flag indicating if file transfert should block php application or not.
* @return boolean
*/
public function get($remote, $local = null, $mode = FTP_BINARY, $asynchronous = false)
{
if ($this->getActive()) {
if (!isset($local) || $local == null || !is_string($local) || trim($local) == '') {
$local = getcwd() . DIRECTORY_SEPARATOR . basename($remote);
}
// Get the requested file
if ($asynchronous === false) {
if (ftp_get($this->_connection, $local, $remote, $mode)) {
// If successful, return the path to the downloaded file...
return $remote;
} else {
return false;
}
} else {
$ret = ftp_nb_get($this->_connection, $local, $remote, $mode);
while ($ret == FTP_MOREDATA) {
// continue downloading
$ret = ftp_nb_continue($this->_connection);
}
if ($ret == FTP_FAILED) {
return false;
} else {
return $remote;
}
}
} else {
throw new \Exception('EFtpComponent is inactive and cannot perform any FTP operations.');
}
}
/**
* Get file
* @param $path The remote file path
* @param $l Lang
* @param $overwrite Overwrite the target file
*/
public static function getFile($path, $l, $overwrite){
try{
$pathinfo = pathinfo($path);
$fs = OCP\Files::getStorage('files');
if($fs->file_exists('/Downloads/' . $pathinfo['basename']) && !$overwrite){
$pathinfo['basename'] = md5(rand()) . '_' . $pathinfo['basename'];
}
$size = self::getRemoteFileSize($path);
if($size == 0){
OC_ocDownloaderPB::setError($l->t('Filesize is null'));
self::closeConnection();
exit();
}
$chunkSize = self::getChunkSize($size);
$received = $last = 0;
$ret = ftp_nb_get(self::$conn, $fs->getLocalFile('/Downloads/' . $pathinfo['basename']), $path, FTP_BINARY);
while($ret == FTP_MOREDATA){
$received += $fs->filesize('/Downloads/' . $pathinfo['basename']);
if($received >= $size){
$percent = 100;
}else{
$percent = @round(($received/$size)*100, 2);
}
if($received > $last + $chunkSize){
OC_ocDownloaderPB::setProgressBarProgress($percent);
$last = $received;
}
usleep(100);
$ret = ftp_nb_continue(self::$conn);
}
if($ret != FTP_FINISHED){
OC_ocDownloaderPB::setError($l->t('Download error'));
self::closeConnection();
exit();
}else{
OC_ocDownloaderPB::setProgressBarProgress(100);
OC_ocDownloader::setUserHistory($pathinfo['basename'], 1);
}
self::closeConnection();
}catch(exception $e){
OC_ocDownloaderPB::setError($l->t('Unknown error'));
}
}
<?php
$ftp = null;
var_dump(ftp_connect(array()));
var_dump(ftp_connect('127.0.0.1', 0, -3));
var_dump(ftp_raw($ftp));
var_dump(ftp_mkdir($ftp));
var_dump(ftp_rmdir($ftp));
var_dump(ftp_nlist($ftp));
var_dump(ftp_rawlist($ftp));
var_dump(ftp_fget($ftp));
var_dump(ftp_nb_fget($ftp));
var_dump(ftp_nb_get($ftp));
var_dump(ftp_pasv($ftp));
var_dump(ftp_nb_continue());
var_dump(ftp_fput());
var_dump(ftp_nb_fput($ftp));
var_dump(ftp_put($ftp));
var_dump(ftp_nb_put($ftp));
var_dump(ftp_size($ftp));
var_dump(ftp_mdtm($ftp));
var_dump(ftp_rename($ftp));
var_dump(ftp_site($ftp));
var_dump(ftp_set_option($ftp));
var_dump(ftp_get_option($ftp));
<?php
require 'server.inc';
$file = "mediumfile.txt";
$ftp = ftp_connect('127.0.0.1', $port);
ftp_login($ftp, 'user', 'pass');
if (!$ftp) {
die("Couldn't connect to the server");
}
$local_file = dirname(__FILE__) . DIRECTORY_SEPARATOR . $file;
touch($local_file);
$r = ftp_nb_get($ftp, $local_file, $file, FTP_BINARY);
while ($r == FTP_MOREDATA) {
$r = ftp_nb_continue($ftp);
}
ftp_close($ftp);
echo file_get_contents($local_file);
error_reporting(0);
@unlink(dirname(__FILE__) . DIRECTORY_SEPARATOR . "mediumfile.txt");
protected function nb_get($localfile, $remotefile, $start = FTP_AUTORESUME)
{
clearstatcache();
if (!file_exists($localfile)) {
$start = 0;
}
$ret = @ftp_nb_get($this->connexion, $localfile, $remotefile, FTP_BINARY, $start);
while ($ret === FTP_MOREDATA) {
set_time_limit(20);
$ret = ftp_nb_continue($this->connexion);
}
return $ret;
}
/**
* @param $local
* @param $path
*
* @return bool
*/
public function get($local, $path)
{
$path = $this->getPath($path);
$mode = $this->getFileMode($path);
// Non-blocking mode
if (@function_exists('ftp_nb_get')) {
$resource = $this->getResource();
$res = @ftp_nb_get($resource, $local, $path, $mode);
while ($res == FTP_MOREDATA) {
$res = @ftp_nb_continue($resource);
}
$return = $res === FTP_FINISHED;
} else {
$return = @ftp_get($this->_handle, $local, $path, $mode);
}
if (!$return) {
throw new DriverException(sprintf('Unable to get "%s" to "%s"', $path, $local));
}
return true;
}
/**
* FTP中文件下载到本地
*
* @params array $params 参数 array('local'=>'本地文件路径','remote'=>'远程文件路径','resume'=>'文件指针位置')
* @params string $msg
* @return bool
*/
public function pull($params, &$msg)
{
if ($this->ftp_extension) {
$ret = ftp_nb_get($this->conn, $params['local'], $params['remote'], $this->mode, $params['resume']);
while ($ret == FTP_MOREDATA) {
$ret = ftp_nb_continue($this->conn);
}
} else {
$ret = $this->ftpclient->download($params['remote'], $params['local'], $this->mode, $params['resume']);
}
if ($ret == FTP_FAILED || $ret === false) {
$msg = app::get('importexport')->_('FTP下载文件失败');
return false;
}
return true;
}
public function get($local, $path)
{
$path = $this->path($path);
// Get mode
$mode = $this->getFileMode($path);
// Non-blocking mode
if (@function_exists('ftp_nb_get')) {
$resource = $this->getResource();
$res = @ftp_nb_get($resource, $local, $path, $mode);
while ($res == FTP_MOREDATA) {
//$this->_announce('nb_get');
$res = @ftp_nb_continue($resource);
}
$return = $res === FTP_FINISHED;
} else {
$return = @ftp_get($this->_handle, $local, $path, $mode);
}
// Error
if (!$return) {
throw new Engine_Vfs_Adapter_Exception(sprintf('Unable to get "%s" to "%s"', $path, $local));
}
return true;
}
/**
*
* 从 FTP 服务器上获取文件并写入本地文件（non-blocking）
*
* @param string $local_file
* @param string $remote_file
* @param int $mode
* @param int $resumepos
* @return int 返回 FTP_FAILED，FTP_FINISHED 或 FTP_MOREDATA
*/
public static function nbGet($local_file, $remote_file, $mode = FTP_ASCII, $resumepos = 0)
{
return ftp_nb_get(self::$resource, $local_file, $remote_file, $mode, $resumepos);
}
/**
* @see RemoteDriver::get($mode, $remote_file, $local_file, $asynchronous)
*/
public function get($remote_file, $local_file = null, $mode = FTP_ASCII, $asynchronous = false)
{
$this->connectIfNeeded();
if (!isset($local_file) || $local_file == null || !is_string($local_file) || trim($local_file) == "") {
$local_file = getcwd() . DIRECTORY_SEPARATOR . basename($remote_file);
}
$this->param = array('remote_file' => $remote_file, 'local_file' => $local_file, 'asynchronous' => $asynchronous);
if ($asynchronous !== true) {
if (!ftp_get($this->handle, $local_file, $remote_file, $mode)) {
throw new FtpException(Yii::t('gftp', 'Could not synchronously get file "{remote_file}" from server "{host}"', ['host' => $this->host, 'remote_file' => $remote_file]));
}
} else {
$ret = ftp_nb_get($this->handle, $local_file, $remote_file, $mode);
while ($ret == FTP_MOREDATA) {
// continue downloading
$ret = ftp_nb_continue($this->handle);
}
if ($ret == FTP_FAILED) {
throw new FtpException(Yii::t('gftp', 'Could not asynchronously get file "{remote_file}" from server "{host}"', ['host' => $this->host, 'remote_file' => $remote_file]));
}
}
return realpath($local_file);
}
/**
* Retrieves a file from the server and writes it to a local file
* @link http://php.net/ftp_nb_get
*
* @param string $localFile The local file path
* @param string $remoteFile The remote file path
* @param integer $mode The transfer mode (FTPWrapper::ASCII, FTPWrapper::BINARY)
* @param integer $resumepos The position in the remote file to start downloading from
* @return integer FTPWrapper::FAILED, FTPWrapper::FINISHED or FTPWrapper::MOREDATA
*/
public function getNb($localFile, $remoteFile, $mode = self::BINARY, $resumepos = 0)
{
return ftp_nb_get($this->connection->getStream(), $localFile, $remoteFile, $mode, $resumepos);
}
/**
* Downloads a file from the FTP server to the local system but does not block other operations
*
* @param string $remotefile Remote path of the file to download
* @param string $localfile Local path where the file should be stored
* @param string $mode Transfer mode for the file. (auto or ascii or binary)
* @param integer $position Pointer of the remote file from where the download should be resumed
* @return integer 0 = Transfer failed (FTP_FAILED) | 1 = Transfer finished (FTP_FINISHED) | 2 = Transfer in progress (FTP_MOREDATA)
*/
public function downloadUnobtrusive($remotefile, $localfile, $mode = 'auto', $position = null)
{
if (is_resource($this->cid)) {
$transfermode = self::transferMode($mode);
return ftp_nb_get($this->cid, $localfile, $remotefile, $transfermode, $position);
}
}
/**
* Download remote file to local file.
*
* @throws
* @param string $remote_file
* @param string $local_file
*/
public function get($remote_file, $local_file)
{
$lfile = File::exists($local_file);
if ($lfile && $this->hasCache($remote_file, File::md5($local_file))) {
$this->_log($remote_file . ' exists');
return;
}
$this->_log("download {$remote_file} as {$local_file}");
$ret = @ftp_nb_get($this->ftp, $local_file, $remote_file, FTP_BINARY);
while ($ret === FTP_MOREDATA) {
$ret = @ftp_nb_continue($this->ftp);
}
if ($ret !== FTP_FINISHED) {
throw new Exception('FTP download failed', "local_file={$local_file} remote_file={$remote_file}");
}
$this->cache[$remote_file] = [File::md5($local_file), File::size($local_file), File::lastModified($local_file)];
}
function get_htaccess($ftp_handle, $dir)
{
$local_htaccess = tempnam("files", "down");
$ftp_htaccess = str_replace("//", "/", $dir . '/.htaccess');
$ret = @ftp_nb_get($ftp_handle, $local_htaccess, $ftp_htaccess, FTP_BINARY);
while ($ret == FTP_MOREDATA) {
// Продолжаем загрузку
$ret = @ftp_nb_continue($ftp_handle);
}
@chmod($local_htaccess, 0644);
$content = @file_get_contents($local_htaccess);
@unlink($local_htaccess);
return $content;
}
/**
* @throws TransportException
* @return string
*
*/
protected function downloadToTmpFile()
{
$conn = $this->getFtpConnection();
$file = $this->getFilename();
$tmpFile = sys_get_temp_dir() . DIRECTORY_SEPARATOR . basename($file);
$fileSize = $this->getSize();
$mode = $this->getMode() ? constant('FTP_' . strtoupper($this->getMode())) : FTP_ASCII;
$ret = ftp_nb_get($conn, $tmpFile, $file, $mode);
$currentBytes = 0;
while ($ret === FTP_MOREDATA) {
$ret = ftp_nb_continue($conn);
clearstatcache();
$bytes = filesize($tmpFile);
$diff = $bytes - $currentBytes;
$currentBytes = $bytes;
$this->eventDispatcher->dispatch(FeedEvents::FETCH_PROGRESS, new FetchProgressEvent($currentBytes, $diff, $fileSize));
}
if ($ret !== FTP_FINISHED) {
throw new TransportException(sprintf('Error downloading feed to %s', $tmpFile));
}
return $tmpFile;
}
private function get_large_ftp_file($file){
$url = "ftp://{$this->user}:{$this->pass}@{$this->server}/{$this->directory}/$file";
$path = ABSPATH."simple-backup/".$file;
$start = $this->timer();
clearstatcache();
$file_size = filesize($url);
$connection = $this->connect();
if($connection === false){
die('Can not Connect to FTP Server');
}
if($login = $this->login($connection)){
ftp_pasv($connection,TRUE);
$upload_path = $this->find_target_dir($connection);
$i = 0; //loop counter
$ret = @ftp_nb_get($connection, $path, $file, FTP_BINARY, FTP_AUTORESUME);
while ($ret == FTP_MOREDATA) {
$i++;
if($i % 500 == 0){
clearstatcache();
$transfer_progress = filesize($path);
$timer = ($this->timer() - $start);
$pct_complete = ($transfer_progress/$file_size) * 100;
$percentage_complete = number_format($pct_complete,1);
$pct_complete = $percentage_complete."%";
$message = ' %2$s of %3$s Transferred (%1$s Complete) in %4$s Seconds!';
$msg = sprintf(
$message,
$pct_complete,
size_format($transfer_progress,2),
size_format($file_size,2),
number_format($timer,2)
);
$status = array();
$status['message'] = $msg;
$status['code'] = "PROCESSING";
$status['percentage'] = $percentage_complete;
update_option('simple-backup-file-transfer', $status);
echo ".";
if($i % 2000 == 0){
flush();
ob_flush();
}
}
// Continue upload...
$ret = ftp_nb_continue($connection);
}
if ($ret == FTP_FINISHED) {
$end = number_format(($this->timer() - $start), 2);
$rate = size_format((filesize($path) / $end),2) . "/s";
$message = "Successfully downloaded $file to $path in $end seconds (rate: $rate)";
$status['message'] = $message;
$status['code'] = "FINISHED";
$status['percentage'] = 100;
update_option('simple-backup-file-transfer', $status);
echo "\r\n$message";
} else {
$message = "There was a problem while downloading $file to $path '$ret'";
$status['message'] = $message;
$status['code'] = "ERROR";
update_option('simple-backup-file-transfer', $status);
echo "\r\n$message";
}
ftp_close($connection);
}
return true;
}
/**
* This function will download a file from the ftp-server. You can either spcify a absolute
* path to the file (beginning with "/") or a relative one, which will be completed
* with the actual directory you selected on the server. You can specify
* the path to which the file will be downloaded on the local
* maschine, if the file should be overwritten if it exists (optionally, default is
* no overwriting) and in which mode (FTP_ASCII or FTP_BINARY) the file should be
* downloaded (if you do not specify this, the method tries to determine it automatically
* from the mode-directory or uses the default-mode, set by you). If you give a relative
* path to the local-file, the script-path is used as basepath.
*
* @access public
* @param string $remote_file The absolute or relative path to the file to download
* @param string $local_file The local file to put the downloaded in
* @param bool $overwrite (optional) Whether to overwrite existing file
* @param int $mode (optional) Either FTP_ASCII or FTP_BINARY
* @return mixed True on success, otherwise PEAR::Error
* @see NET_FTP_ERR_OVERWRITELOCALFILE_FORBIDDEN, NET_FTP_ERR_OVERWRITELOCALFILE_FAILED, NET_FTP_ERR_OVERWRITELOCALFILE_FAILED
*/
function get($remote_file, $local_file, $overwrite = false, $mode = null)
{
if (!isset($mode)) {
$mode = $this->checkFileExtension($remote_file);
}
$remote_file = $this->_construct_path($remote_file);
if (@file_exists($local_file) && !$overwrite) {
return $this->raiseError("Local file '{$local_file}' exists and may not be overwriten.", NET_FTP_ERR_OVERWRITELOCALFILE_FORBIDDEN);
}
if (@file_exists($local_file) && !@is_writeable($local_file) && $overwrite) {
return $this->raiseError("Local file '{$local_file}' is not writeable. Can not overwrite.", NET_FTP_ERR_OVERWRITELOCALFILE_FAILED);
}
if (@function_exists('ftp_nb_get')) {
$res = @ftp_nb_get($this->_handle, $local_file, $remote_file, $mode);
while ($res == FTP_MOREDATA) {
$this->_announce('nb_get');
$res = @ftp_nb_continue($this->_handle);
}
} else {
$res = @ftp_get($this->_handle, $local_file, $remote_file, $mode);
}
if (!$res) {
return $this->raiseError("File '{$remote_file}' could not be downloaded to '{$local_file}'.", NET_FTP_ERR_OVERWRITELOCALFILE_FAILED);
} else {
return true;
}
}
/**
* 下载文件
*
*/
public function download($localfile, $remotefile)
{
ftp_set_option($this->ftpobj, FTP_AUTOSEEK, FALSE);
$res = ftp_nb_get($this->ftpobj, $localfile, $remotefile, $this->mode, ftp_size($this->ftpobj, $localfile));
while ($res == FTP_MOREDATA) {
$res = ftp_nb_continue($this->ftpobj);
}
if ($res != FTP_FINISHED) {
return FALSE;
}
return TRUE;
}
/**
* FTP-文件下载
* @param string $localFile 本地文件
* @param string $ftpFile Ftp文件
* @return bool
*/
public function download($localFile, $ftpFile)
{
if (!$localFile || !$ftpFile) {
return false;
}
$ret = ftp_nb_get($this->link, $localFile, $ftpFile, FTP_BINARY);
while ($ret == FTP_MOREDATA) {
$ret = ftp_nb_continue($this->link);
}
if ($ret != FTP_FINISHED) {
return false;
}
return true;
}
