标题: PHP教程之社区(php&&mysql)三 [打印本页] 作者: 海妖 时间: 2015-2-3 23:53 标题: PHP教程之社区(php&&mysql)三 熟悉了PHP和MYSQL开发的要领之后,再回头看你写的那个留言本,你也许会怀疑那真的是你写的吗?当然,如果屋里还有鬼的话,也许是它写的-_- function prev_subj($id){
$DROOT=getenv('DOCUMENT_ROOT');
include("sql.php3");
$db=mysql_connect($sql['host'], $sql['user'] , $sql['passwd']);
$qstr="select id,aid from bbs_subj where id='$id'";
$rs=mysql_db_query($sql['db'],$qstr);
$row=mysql_fetch_array($rs);
$aid=$row['aid'];
$qstr="select id from bbs_subj where aid='$aid' order by wdate DESC";
$rs=mysql_db_query($sql['db'],$qstr);
$pid=$id;
while($row=mysql_fetch_array($rs)){
$tid=$row['id'];
if($id==$tid) break;
$pid=$tid;
}
return $pid;
}
// U@g
function next_subj($id){
$DROOT=getenv('DOCUMENT_ROOT');
include("sql.php3");
$db=mysql_connect($sql['host'], $sql['user'] , $sql['passwd']);
$qstr="select id,aid from bbs_subj where id='$id'";
$rs=mysql_db_query($sql['db'],$qstr);
$row=mysql_fetch_array($rs);
$aid=$row['aid'];
$qstr="select id from bbs_subj where aid='$aid' order by wdate DESC";
$rs=mysql_db_query($sql['db'],$qstr);
$pid=$id;
while($row=mysql_fetch_array($rs)){
$pid=$row['id'];
if($id==$pid) break;
}
if($row=mysql_fetch_array($rs)) {
$pid=$row['id'];
}
return $pid;
}