$query = "select postid,username,postdate,content from guestbook order by postdate desc LIMIT $offset,$perpage"; 改为 $tmpnum=$offset*$perpage; $query = "select postid,username,postdate,content from guestbook order by postdate desc LIMIT $tmpnum,$perpage";
echo $offset;
改为
$tmpnum=$offset*$perpage;
$query = "select postid,username,postdate,content from guestbook order by postdate desc LIMIT $tmpnum,$perpage";
按首页、前一页、后一页、尾页时在变化
按你的修改,但不行的。
$pages=ceil($nr/$perpage); 放到$nr=$data["rcnt"]; //文章总数
//$jumpto为跳转到的页面数,变量$pages包含所需的总页数后面