一个用于mysql的数据库抽象层函数库

<?php // // SourceForge: Breaking Down the Barriers to Open Source Development // Copyright 1999-2000 (c) The SourceForge Crew // http://sourceforge.net // // $Id: database.php,v 1.6 2000/04/11 14:17:13 cvs Exp $ // // /etc/local.inc includes the machine specific database connect info function db_connect() { global $sys_dbhost,$sys_dbuser,$sys_dbpasswd; $conn = mysql_connect($sys_dbhost,$sys_dbuser,$sys_dbpasswd); if (!$conn) { echo mysql_error(); } return $conn; } function db_query($qstring,$print=0) { global $sys_dbname; return @mysql($sys_dbname,$qstring); } function db_numrows($qhandle) { // return only if qhandle exists, otherwise 0 if ($qhandle) { return @mysql_numrows($qhandle); } else { return 0; } } function db_result($qhandle,$row,$field) { return @mysql_result($qhandle,$row,$field); } function db_numfields($lhandle) { return @mysql_numfields($lhandle); } function db_fieldname($lhandle,$fnumber) { return @mysql_fieldname($lhandle,$fnumber); } function db_affected_rows($qhandle) { return @mysql_affected_rows(); } function db_fetch_array($qhandle) { return @mysql_fetch_array($qhandle); } function db_insertid($qhandle) { return @mysql_insert_id($qhandle); } function db_error() { return "nn<P><B>".@mysql_error()."</B><P>nn"} ?> ;;;;