仿写CodeIgniter的FTP操作类-php手册-php.cn

仿写CodeIgniter的FTP操作类
<?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 * 4) 重命名/移动; rename * 5) 创建文件夹; mkdir * 6) 删除; delete_dir/delete_file * 7) 上传; upload * 8) 下载 download * * */ 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($this->conn_id, TRUE); } return TRUE; } /** * 目录改变 * * @access public * @param string 目录标识(ftp) * @param boolean * @return boolean */ public function chgdir($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 TRUE; } /** * 目录生成 * * @access public * @param string 目录标识(ftp) * @param int 文件权限列表 * @return boolean */ 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)$permissions); } return TRUE; } /** * 上传 * * @access public * @param string 本地目录标识 * @param string 远程目录标识(ftp) * @param string 上传模式 auto || ascii * @param int 上传后的文件权限列表 * @return boolean */ public function upload($localpath, $remotepath, $mode = 'auto', $permissions = NULL) { if( ! $this->_isconn()) { return FALSE; } if( ! file_exists($localpath)) { if($this->debug === TRUE) { $this->_error("ftp_no_source_file:".$localpath); } return FALSE; } if($mode == 'auto') { $ext = $this->_getext($localpath); $mode = $this->_settype($ext); } $mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY; $result = @ftp_put($this->conn_id, $remotepath, $localpath, $mode); if($result === FALSE) { if($this->debug === TRUE) { $this->_error("ftp_unable_to_upload:localpath[".$localpath."]/remotepath[".$remotepath."]"); } return FALSE; } if( ! is_null($permissions)) { $this->chmod($remotepath,(int)$permissions); } return TRUE; } /** * 下载 * * @access public * @param string 远程目录标识(ftp) * @param string 本地目录标识 * @param string 下载模式 auto || ascii * @return boolean */ public function download($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[".$remotepath."]"); } return FALSE; } return TRUE; } /** * 重命名/移动 * * @access public * @param string 远程目录标识(ftp) * @param string 新目录标识 * @param boolean 判断是重命名(FALSE)还是移动(TRUE) * @return boolean */ public function rename($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; } /** * 删除文件 * * @access public * @param string 文件标识(ftp) * @return boolean */ 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; } /** * 删除文件夹 * * @access public * @param string 目录标识(ftp) * @return boolean */ public function delete_dir($path) { if( ! $this->_isconn()) { return FALSE; } //对目录宏的'/'字符添加反斜杠'\' $path = preg_replace("/(.+?)\/*$/", "\\1/", $path); //获取目录文件列表 $filelist = $this->filelist($path); if($filelist !== FALSE AND count($filelist) > 0) { foreach($filelist as $item) { //如果我们无法删除,那么就可能是一个文件夹 //所以我们递归调用delete_dir() if( ! @delete_file($item)) { $this->delete_dir($item); } } } //删除文件夹(空文件夹) $result = @ftp_rmdir($this->conn_id, $path); if($result === FALSE) { if($this->debug === TRUE) { $this->_error("ftp_unable_to_delete_dir:dir[".$path."]"); } return FALSE; } return TRUE; } /** * 修改文件权限 * * @access public * @param string 目录标识(ftp) * @return boolean */ 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[".$perm."]"); } return FALSE; } return TRUE; } /** * 获取目录文件列表 * * @access public * @param string 目录标识(ftp) * @return array */ public function filelist($path = '.') { if( ! $this->_isconn()) { return FALSE; } return ftp_nlist($this->conn_id, $path); } /** * 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); } } $config = array( 'hostname' => '124.160.116.76', 'username' => 'hangye_lsp_19@192.168.18.19', 'password' => 'tb6bCnHNrO', 'port' => 52816 ); $ftp = new Ftp(); $ftp->connect($config); $ftp->upload('localfile.log','remotefile.log'); ?>

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仿写CodeIgniter的FTP操作类