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 "

<P><B>".@mysql_error()."</B><P>

";

}



?>



  




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