mysql2xml.php类文件:用于备份MySQL数据的! PHP代码 class MySQL2XML { protected $conn; protected $result; protected $tables; protected $saveFolder = 'datas/'; public function __construct($config = NULL) { if($config !== NULL && is_array($config)) { $this->connect($config); } } public function connect($config) { $this->conn = mysql_connect($config['host'], $config['username'], $config['password']); if($this->conn) { mysql_select_db($config['database']); return true; } return false; } public function setSaveFolder($folder) { if(is_dir($folder)) { $this->saveFolder = rtrim(str_replace("\\", "/", $folder),'/'); return true; } return false; } public function setTables($tables) { if(is_array($tables)) { $this->tables = $tables; return true; } return false; } public function query($query) { if(!isset($query) || trim($query) == '') return false; $this->result = mysql_query($query); if($this->result) return true; return false; } public function toXML() { if(!isset($this->tables)) return false; foreach($this->tables as $table) { $file = $this->saveFolder.$table.'.xml'; $fp = @fopen($file, 'w'); if(!$fp) exit('Can not write file'); fwrite($fp, $this->tableToXML($table)); fclose($fp); unset($fp); } return true; } public function tableToXML($table) { header("content-type:text/xml;charset=utf-8"); $xml = ""1.0\" encoding=\"utf-8\" ?>\n\n"; $fields = $this->getFields($table); $datas = $this->getDatas($table); $cdata = array(); foreach($datas as $data) { foreach($data as $key => $value) $cdata[$key][] = $value; } foreach($fields as $element) { $xml .= "\t\n"; foreach($cdata[$element['Field']] as $value) { $xml .= "\t\t{$value}\n"; } $xml .= "\t\n"; } $xml .= ''; return $xml; } protected function getFields($table) { $query = "SHOW FIELDS FROM {$table}"; $this->query($query); return $this->fetchAll(); } protected function getDatas($table) { $query = "SELECT * FROM {$table}"; $this->query($query); return $this->fetchAll(); } protected function fetch() { if(is_resource($this->result)) { return mysql_fetch_assoc($this->result); } return false; } protected function fetchAll() { if(is_resource($this->result)) { $return = array(); $row = NULL; while($row = mysql_fetch_assoc($this->result)) { $return[] = $row; } return $return; } return false; } } ?> 调用方法: PHP代码 $xml = new MySQL2XML(array('host'=>'localhost', 'username'=>'root', 'password'=>'', 'database'=>'mysql')); $xml->setTables(array('wp_term_relationships','wp_terms'));//设置备份的表 $xml->setSaveFolder('datas/');//保存备份文件的文件夹 $xml->toXML();//备份开始 ?>