在php中我們可以利用ftp_connect相關函數實現文件上傳與下載功能,其實就是ftp客戶端一樣的操作,下面我來給大家介紹如何利用php來實現
大概原理
遍歷項目中的所有非排除文件，然後獲取 文件修改時間晚於文件上一次修改時間 的文件
然後將這些文件，通過ftp上傳到對應的目錄
具體代碼如下:
因為只是工具，代碼很亂，見諒
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$ftime : array(); $time = filectime($file); if(!file_exists($time_file_path))file_put_contents($time_file_path,"<?php n"); } function getFileByFilectime($file) { static $time_data ; $time_file_path = $this->time_path; if (!$time_data){ $time_data= @include_once($time_file_path); } $time_data = $time_data ? $time_data : array(); //var_dump($file,$time_data[$file] == filectime($file)); //echo $file."t".$time_data[$file]."n"; if ($time_data[$file] == filemtime($file)){ return false; }else{ return $file; } } function GetFileList($dir,$path="") { static $tmpp = ""; if ($path=="" && !$tmpp){ $tmpp = $dir; } $d = dir($dir); $files = array(); if ($d) { $pathP=str_replace($tmpp,"",$dir); $pathP=str_replace(array("","/"),DIRECTORY_SEPARATOR,$pathP); $pathP=str_replace(DIRECTORY_SEPARATOR.DIRECTORY_SEPARATOR,DIRECTORY_SEPARATOR,$pathP); while($f = $d->read()) { if ($f == '.' || $f=='..' || $f{0}=='.' || $f=='Zend' || in_array($f, $_GET['exclude']))continue; $newdir = rtrim($dir,"/")."/".$f; if (is_dir($newdir)){ $files = array_merge($files,$this->GetFileList($newdir,$newdir)); }else{ $abspath_file = (rtrim($dir,"/") ? rtrim($dir,"/")."/" : "").$f; $this->fctimes[$abspath_file] = filemtime($abspath_file); if (!$this->getFileByFilectime($abspath_file))continue; $file = (rtrim($pathP,"/") ? rtrim($pathP,"/")."/" : "").$f; $files[] = $file; } } } return $files; } } /** * 仿寫CodeIgniter的FTP類 * FTP基本操作： * 1) 登陸; connect * 2) 當前目錄文件列表; filelist * 3) 目錄改變; chgdir * 4) 重命名/移動; rename * 5) 創建文件夾; mkdir * 6) 刪除; delete_dir/delete_file * 7) 上傳; upload * 8) 下載 download * * @author quanshuidingdang */ class Ftp { private $hostname = ''; private $username = ''; private $password = ''; private $port = 21; private $passive = TRUE; private $debug = TRUE; private $conn_id = FALSE; /** * 構造函數 * * @param array 配置數組 : $config = array('hostname'=>'','username'=>'','password'=>'','port'=>''...); */ public function __construct($config = array()) { if(count($config) > 0) { $this->_init($config); } } /** * FTP連接 * * @access public * @param array 配置數組 * @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; } /** * 文件夾是否存在 * @param unknown_type $path */ public function is_dir_exists($path) { return $this->chgdir($path); } /** * 目錄改變 * * @access public * @param string 目錄標識(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; } /** * 目錄生成 * * @access public * @param string 目錄標識(ftp) * @param int 文件權限列表 * @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)$permissions); } return TRUE; } /** * 上傳 * * @access public * @param string 本地目錄標識 * @param string 遠程目錄標識(ftp) * @param string 上傳模式 auto || ascii * @param int 上傳後的文件權限列表 * @return boolean */ public function upload($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)$permissions); } return TRUE; } /** * 下載 * * @access public * @param string 遠程目錄標識(ftp) * @param string 本地目錄標識 * @param string 下載模式 auto || ascii * @return boolean */ public function download($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[".$remotepath."]"); } return FALSE; } return TRUE; } /** * 重命名/移動 * * @access public * @param string 遠程目錄標識(ftp) * @param string 新目錄標識 * @param boolean 判斷是重命名(FALSE)還是移動(TRUE) * @return boolean */ public function rename($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; } /** * 刪除文件 * * @access public * @param string 文件標識(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; } /** * 刪除文件夾 * * @access public * @param string 目錄標識(ftp) * @return boolean */ public function delete_dir($path) { if( ! $this->_isconn()) { return FALSE; } //對目錄宏的'/'字符添加反斜槓'' $path = preg_replace("/(.+?)/*$/", "1/", $path); //獲取目錄文件列表 $filelist = $this->filelist($path); if($filelist !== FALSE AND count($filelist) > 0) { foreach($filelist as $item) { //如果我們無法刪除,那麼就可能是一個文件夾 //所以我們遞歸調用delete_dir() if( ! @delete_file($item)) { $this->delete_dir($item); } } } //刪除文件夾(空文件夾) $result = @ftp_rmdir($this->conn_id, $path); if($result === FALSE) { if($this->debug === TRUE) { $this->_error("ftp_unable_to_delete_dir:dir[".$path."]"); } return FALSE; } return TRUE; } /** * 修改文件權限 * * @access public * @param string 目錄標識(ftp) * @return boolean */ public function chmod($path, $perm) { if( ! $this->_isconn()) { return FALSE; } //只有在PHP5中才定義了修改權限的函數(ftp) if( ! function_exists('ftp_chmod')) { if($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[".$perm."]"); } return FALSE; } return TRUE; } /** * 獲取目錄文件列表 * * @access public * @param string 目錄標識(ftp) * @return array */ public function filelist($path = '.') { if( ! $this->_isconn()) { return FALSE; } return ftp_nlist($this->conn_id, $path); } /** * 關閉FTP * * @access public * @return boolean */ public function close() { if( ! $this->_isconn()) { return FALSE; } return @ftp_close($this->conn_id); } /** * FTP成員變量初始化 * * @access private * @param array 配置數組 * @return void */ private function _init($config = array()) { foreach($config as $key => $val) { if(isset($this->$key)) { $this->$key = $val; } } //特殊字符過濾 $this->hostname = preg_replace('|.+?://|','',$this->hostname); } /** * FTP登陸 * * @access private * @return boolean */ private function _login() { return @ftp_login($this->conn_id, $this->username, $this->password); } /** * 判斷con_id * * @access private * @return boolean */ private function _isconn() { if( ! is_resource($this->conn_id)) { if($this->debug === TRUE) { $this->_error("ftp_no_connection"); } return FALSE; } return TRUE; } /** * 從文件名中獲取後綴擴展 * * @access private * @param string 目錄標識 * @return string */ private function _getext($filename) { if(FALSE === strpos($filename, '.')) { return 'txt'; } $extarr = explode('.', $filename); return end($extarr); } /** * 從後綴擴展定義FTP傳輸模式 ascii 或 binary * * @access private * @param string 後綴擴展 * @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, $text_type)) ? 'ascii' : 'binary'; } /** * 錯誤日志記錄 * * @access prvate * @return boolean */ private function _error($msg) { return @file_put_contents('/tmp/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); } } /*End of file ftp.php*/ /*Location /Apache Group/htdocs/ftp.php*/以上所述就是本文的全部內容了，希望大家能夠喜歡。
