PHP用FTP类上传文件视频等的简单实现方法

文件1：ftp.php

 0) {
$this->_init($config);
}
}


public function connect($config = array()) {
if(count($config) > 0) {
$this->_init($config);
}
//判断是否打开了ftp连接
if(FALSE === ($this->conn_id = @ftp_connect($this->hostname,$this->port))) {
if($this->debug === TRUE) {
$this->_error("ftp_unable_to_connect");
}
return FALSE;
}
//判断是否登录成功
if( ! $this->_login()) {
if($this->debug === TRUE) {
$this->_error("ftp_unable_to_login");
}
return FALSE;
}
//判断是否开启FTP被动模式
if($this->passive === TRUE) {
ftp_pasv($this->conn_id, TRUE);
}

return TRUE;
}




public function chgdir($path = '', $supress_debug = FALSE) {
if($path == '' OR ! $this->_isconn()) {
return FALSE;
}

$result = @ftp_chdir($this->conn_id, $path);

if($result === FALSE) {
if($this->debug === TRUE AND $supress_debug == FALSE) {
$this->_error("ftp_unable_to_chgdir:dir[".$path."]");
}
return FALSE;
}

return TRUE;
}


public function mkdir($path = '', $permissions = NULL) {
if($path == '' OR ! $this->_isconn()) {
return FALSE;
}

$result = @ftp_mkdir($this->conn_id, $path);

if($result === FALSE) {
if($this->debug === TRUE) {
$this->_error("ftp_unable_to_mkdir:dir[".$path."]");
}
return FALSE;
}

if( ! is_null($permissions)) {
$this->chmod($path,(int)$permissions);
}

return TRUE;
}


public function upload($localpath, $remotepath, $mode = 'auto', $permissions = NULL) {
if( ! $this->_isconn()) {
return FALSE;
}
//判断本地文件是否存在
if( ! file_exists($localpath)) {
if($this->debug === TRUE) {
$this->_error("ftp_no_source_file:".$localpath);
}
return FALSE;
}
//判断上传模式
if($mode == 'auto') {
      //获取文件后缀类型
$ext = $this->_getext($localpath);
      //根据后缀类型决定上传模式是 FTP_ASCIi(文本模式) 还是 FTP_BINARY(二进制模式);
$mode = $this->_settype($ext);
}

$mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY;
//上传
$result = @ftp_put($this->conn_id, $remotepath, $localpath, $mode);
//判断上传是否成功
if($result === FALSE) {
if($this->debug === TRUE) {
$this->_error("ftp_unable_to_upload:localpath[".$localpath."]/remotepath[".$remotepath."]");
}
return FALSE;
}
//判断是否需要改写文件权限
if( ! is_null($permissions)) {
$this->chmod($remotepath,(int)$permissions);
}

return TRUE;
}


public function download($remotepath, $localpath, $mode = 'auto') {
if( ! $this->_isconn()) {
return FALSE;
}

if($mode == 'auto') {
$ext = $this->_getext($remotepath);
$mode = $this->_settype($ext);
}

$mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY;

$result = @ftp_get($this->conn_id, $localpath, $remotepath, $mode);

if($result === FALSE) {
if($this->debug === TRUE) {
$this->_error("ftp_unable_to_download:localpath[".$localpath."]-remotepath[".$remotepath."]");
}
return FALSE;
}

return TRUE;
}


public function rename($oldname, $newname, $move = FALSE) {
if( ! $this->_isconn()) {
return FALSE;
}

$result = @ftp_rename($this->conn_id, $oldname, $newname);

if($result === FALSE) {
if($this->debug === TRUE) {
$msg = ($move == FALSE) ? "ftp_unable_to_rename" : "ftp_unable_to_move";
$this->_error($msg);
}
return FALSE;
}

return TRUE;
}


public function delete_file($file) {
if( ! $this->_isconn()) {
return FALSE;
}

$result = @ftp_delete($this->conn_id, $file);

if($result === FALSE) {
if($this->debug === TRUE) {
$this->_error("ftp_unable_to_delete_file:file[".$file."]");
}
return FALSE;
}

return TRUE;
}


public function delete_dir($path) {
if( ! $this->_isconn()) {
return FALSE;
}

//对目录宏的'/'字符添加反斜杠''
$path = preg_replace("/(.+?)
public function chmod($path, $perm) {
if( ! $this->_isconn()) {
return FALSE;
}

//只有在PHP5中才定义了修改权限的函数(ftp)
if( ! function_exists('ftp_chmod')) {
if($this->debug === TRUE) {
$this->_error("ftp_unable_to_chmod(function)");
}
return FALSE;
}

$result = @ftp_chmod($this->conn_id, $perm, $path);

if($result === FALSE) {
if($this->debug === TRUE) {
$this->_error("ftp_unable_to_chmod:path[".$path."]-chmod[".$perm."]");
}
return FALSE;
}
return TRUE;
}


public function filelist($path = '.') {
if( ! $this->_isconn()) {
return FALSE;
}

return ftp_nlist($this->conn_id, $path);
}


public function close() {
if( ! $this->_isconn()) {
return FALSE;
}

return @ftp_close($this->conn_id);
}


private function _init($config = array()) {
foreach($config as $key => $val) {
if(isset($this->$key)) {
$this->$key = $val;
}
}


//特殊字符过滤
$this->hostname = preg_replace('|.+?://|','',$this->hostname);
}


private function _login() {
return @ftp_login($this->conn_id, $this->username, $this->password);
}


private function _isconn() {
if( ! is_resource($this->conn_id)) {
if($this->debug === TRUE) {
$this->_error("ftp_no_connection");
}
return FALSE;
}
return TRUE;
}


private function _getext($filename) {
if(FALSE === strpos($filename, '.')) {
return 'txt';
}

$extarr = explode('.', $filename);
return end($extarr);
}


private function _settype($ext) {
$text_type = array (
'txt',
'text',
'php',
'phps',
'php4',
'js',
'css',
'htm',
'html',
'phtml',
'shtml',
'log',
'xml'
);

return (in_array($ext, $text_type)) ? 'ascii' : 'binary';
}


private function _error($msg) {
return @file_put_contents('ftp_err.log', "date[".date("Y-m-d H:i:s")."]-hostname[".$this->hostname."]-username[".$this->username."]-password[".$this->password."]-msg[".$msg."]n", FILE_APPEND);
}
}

 文件2：ftp_demo.php

 '101.64.183.92', //服务器地址
'username' => 'ftpadminuser',  //FTP登录账号
'password' => 'admin_user',   //FTP登录密码
'port' => 2112  //端口号
);


$ftp = new Ftp();
//连接
$ftp->connect($config);
//上传第一个参数是本地文件名，第二个参数是FTP文件名
$rs=$ftp->upload('jsyh.flv','jsyh.flv');
if($rs){
  echo 1;
}
// $ftp->download('ftp_upload.log','ftp_download.log');

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