thinkphp5获取ftp上的文件列表

<?php/** * 仿写CodeIgniter的FTP类 * FTP基本操作： * 1) 登陆; ??????????connect * 2) 当前目录文件列表; ?filelist * 3) 目录改变; ????????chgdir * * @author quanshuidingdang */class Ftp { ???private $hostname ??= ‘‘; ???private $username ??= ‘‘; ???private $password ??= ‘‘; ???private $port ??????= 21; ???private $passive ???= TRUE; ???private $debug ?????= TRUE; ???private $conn_id ???= FALSE; ???/** ????* 构造函数 ????* ????* @param ??array ??配置数组 : $config = array(‘hostname‘=>‘‘,‘username‘=>‘‘,‘password‘=>‘‘,‘port‘=>‘‘...); ????*/ ???public function __construct($config = array()) { ???????if(count($config) > 0) { ???????????$this->_init($config); ???????} ???} ???/** ????* FTP连接 ????* ????* @access ?public ????* @param ??array ??配置数组 ????* @return ?boolean ????*/ ???public function connect($config = array()) { ???????if(count($config) > 0) { ???????????$this->_init($config); ???????} ???????if(FALSE === ($this->conn_id = @ftp_connect($this->hostname,$this->port))) { ???????????if($this->debug === TRUE) { ???????????????$this->_error("ftp_unable_to_connect"); ???????????} ???????????return FALSE; ???????} ???????if( ! $this->_login()) { ???????????if($this->debug === TRUE) { ???????????????$this->_error("ftp_unable_to_login"); ???????????} ???????????return FALSE; ???????} ???????if($this->passive === TRUE) { ???????????ftp_pasv($this->conn_id, TRUE); ???????} ???????return TRUE; ???} ???/** ????* 获取目录文件列表 ????* ????* @access ?public ????* @param ??string ?目录标识(ftp) ????* @return ?array ????*/ ???public function filelist($path) { ???????if( ! $this->_isconn()) { ???????????return FALSE; ???????} ???????return @ftp_nlist($this->conn_id, $path); ???} ???//递归查询所有目录下的文件 ???public function dir_switch($path = null){// ???????//路径 ???????$path = empty($path)?‘.‘:$path; ???????//查看目录文件 ???????$catalog = $this->filelist($path);// ???????return $catalog; ???????$list = array(); ???????$info = array(); ???????if($catalog){ ???????????//递归查 ???????????foreach ($catalog as $val){ ???????????????//判断是否是为目录 ???????????????if($this->isFtpDir($val)){ ???????????????????$info = $this->dir_switch($val); ???????????????????if($info){ ???????????????????????foreach ($info as $v){ ???????????????????????????$list[] = $v; ???????????????????????} ???????????????????} ???????????????}else{ ???????????????????$list[] = $val; ???????????????}// ???????????????sleep(1); ???????????} ???????????return $list; ???????} ???} ???/** ????* 目录改变 ????* ????* @access ?public ????* @param ??string ?目录标识(ftp) ????* @param ??boolean ????* @return ?boolean ????*/ ???public function chgdir($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[" . $path . "]"); ???????????} ???????????return FALSE; ???????} ???????return @ftp_pwd($this->conn_id);// ???????return TRUE; ???} ???//查看文件是否存在 ???function isFtpDir($filename) ???{ ???????if(ftp_size($this->conn_id,$filename)!=-1) ???????{ ???????????return false; ???????} ???????else ???????{ ???????????return true; ???????} ???} ???/** ????* 关闭FTP ????* ????* @access ?public ????* @return ?boolean ????*/ ???public function close() { ???????if( ! $this->_isconn()) { ???????????return FALSE; ???????} ???????return @ftp_close($this->conn_id); ???} ???/** ????* FTP成员变量初始化 ????* ????* @access ?private ????* @param ??array ??配置数组 ????* @return ?void ????*/ ???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(‘|.+?://|‘,‘‘,$this->hostname); ???} ???/** ????* FTP登陆 ????* ????* @access ?private ????* @return ?boolean ????*/ ???private function _login() { ???????return @ftp_login($this->conn_id, $this->username, $this->password); ???} ???/** ????* 判断con_id ????* ????* @access ?private ????* @return ?boolean ????*/ ???private function _isconn() { ???????if( ! is_resource($this->conn_id)) { ???????????if($this->debug === TRUE) { ???????????????$this->_error("ftp_no_connection"); ???????????} ???????????return FALSE; ???????} ???????return TRUE; ???} ???/** ????* 从文件名中获取后缀扩展 ????* ????* @access ?private ????* @param ??string ?目录标识 ????* @return ?string ????*/ ???private function _getext($filename) { ???????if(FALSE === strpos($filename, ‘.‘)) { ???????????return ‘txt‘; ???????} ???????$extarr = explode(‘.‘, $filename); ???????return end($extarr); ???} ???/** ????* 从后缀扩展定义FTP传输模式 ?ascii 或 binary ????* ????* @access ?private ????* @param ??string ?后缀扩展 ????* @return ?string ????*/ ???private function _settype($ext) { ???????$text_type = array ( ???????????‘txt‘, ???????????‘text‘, ???????????‘php‘, ???????????‘phps‘, ???????????‘php4‘, ???????????‘js‘, ???????????‘css‘, ???????????‘htm‘, ???????????‘html‘, ???????????‘phtml‘, ???????????‘shtml‘, ???????????‘log‘, ???????????‘xml‘ ???????); ???????return (in_array($ext, $text_type)) ? ‘ascii‘ : ‘binary‘; ???} ???/** ????* 错误日志记录 ????* ????* @access ?prvate ????* @return ?boolean ????*/ ???private function _error($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); ???}}

public function index(){ ???????set_time_limit(0); ???????ini_set(‘memory_limit‘,‘-1‘); ???????$config=array( ???????????‘hostname‘=>‘127.0.0.1‘, ?//ip ???????????‘username‘=>‘root‘, ???????????‘password‘=>‘root‘, ???????????‘port‘=>‘21‘, ?//端口号 ???????); ???????vendor(‘ftp‘); ???????$ftp=new Ftp(); ???????$conn=$ftp->connect($config); ???????$res=$ftp->filelist(‘file_name‘); ?//需要获取的文件夹名称
　　　　　return $res;
} ???