PHP错误Warning:mysql_query()解决方法

php提示错误：Warning: mysql_query() [function.mysql-query]: Access denied for user ‘ODBC’@’localhost’ (using password: NO) 代码： <?php class mysqlClass { function mysqlClass($host='localhost',$user='root',$pw='',$db='mysql') { $this->link=mysql_connect($host,$user,$pw); mysql_select_db($db); } function q