phpwind中的数据库操作类

<?php /*来源:phpwind.net*/ Class DB { var $query_num = 0; function DB($dbhost, $dbuser, $dbpw, $dbname, $pconnect = 0) { $this->connect($dbhost, $dbuser, $dbpw, $dbname, $pconnect); } function connect($dbhost, $dbuser, $dbpw, $dbname, $pconnect = 0) { $pconnect==0 ? @mysql_connect($dbhost, $dbuser,