标题：Discuz论坛SEO优化修改
出处：沧海一粟
时间：Sun, 03 Sep 2006 07:49:53 +0000
作者：jed
地址：http://www.dzhope.com/post/9/

内容：
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纯属本人原创，原载于落伍论坛
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众所周知，Discuz在SEO优化上做的并不是很好，很网友反应需要这方面的支持，我把自己做的一些简单的优化措施，贡献给大家，希望借此能够落伍。
为修改前，Discuz的标题栏显示的是：网站名--版块名--文章名，有点SEO方面知识的人都知道，这样不利于搜索爬虫搜索到，精明做法就是让它显示的时候，如下：文章名--版块名--网站名。（本人是在Discuz4.1.0版本上修改的）
具体修改如下：
forumdisplay.php
====================================

if($forum['type'] == 'forum') {
        $navigation = "» $forum[name]";
        $navtitle = ' - '.strip_tags($forum['name']);
} else {
        $forumup = $_DCACHE['forums'][$forum['fup']]['name'];
        $navigation = "» <a href=\"forumdisplay.php?fid=$forum[fup]\">$forumup</a> » $forum[name]";
        $navtitle = ' - '.strip_tags($forumup).' - '.strip_tags($forum['name']);
}


修改为：


if($forum['type'] == 'forum') {
        $navigation = "» $forum[name]";
        $navtitle = strip_tags($forum['name']);
} else {
        $forumup = $_DCACHE['forums'][$forum['fup']]['name'];
        $navigation = "» <a href=\"forumdisplay.php?fid=$forum[fup]\">$forumup</a> » $forum[name]";
        $navtitle = strip_tags($forumup).' - '.strip_tags($forum['name']);
}


============================================================



viewthread.php
================================================

$navtitle = ' - '.strip_tags($forum['name']).' - '.$thread['subject'];
if($forum['type'] == 'sub') {
        $query = $db->query("SELECT fid, name FROM {$tablepre}forums WHERE fid='$forum[fup]'");
        $fup = $db->fetch_array($query);
        $navigation = "» <a href=\"forumdisplay.php?fid=$fup[fid]\">$fup[name]</a> $navigation";
        $navtitle = ' - '.strip_tags($fup['name']).$navtitle;
}


修改为：


$navtitle = $thread['subject'].' -  '.strip_tags($forum['name']);
if($forum['type'] == 'sub') {
        $query = $db->query("SELECT fid, name FROM {$tablepre}forums WHERE fid='$forum[fup]'");
        $fup = $db->fetch_array($query);
        $navigation = "» <a href=\"forumdisplay.php?fid=$fup[fid]\">$fup[name]</a> $navigation";
        $navtitle = $navtitle;
}



post.php
====================================================

if(!empty($tid) && !empty($fid)) {
        $query = $db->query("SELECT * FROM {$tablepre}threads WHERE tid='$tid' AND displayorder>='0'");
        $thread = $db->fetch_array($query);
        $fid = $thread['fid'];
        $navigation = "» <a href=\"viewthread.php?tid=$tid\">$thread[subject]</a>";
        $navtitle = " - $thread[subject]";

        if($thread['readperm'] && $thread['readperm'] > $readaccess && !$forum['ismoderator'] && $thread['authorid'] != $discuz_uid) {
                showmessage('thread_nopermission', NULL, 'NOPERM');
        }
}

$navigation = "» <a href=\"forumdisplay.php?fid=$fid".($extra ? '&'.preg_replace("/^(&)*/", '', $extra) : '')."\">$forum[name]</a> $navigation";
$navtitle = ' - '.strip_tags($forum['name']).$navtitle;
if($forum['type'] == 'sub') {
        $query = $db->query("SELECT name, fid FROM {$tablepre}forums WHERE fid='$forum[fup]'");
        $fup = $db->fetch_array($query);
        $navigation = "» <a href=\"forumdisplay.php?fid=$fup[fid]\">$fup[name]</a> $navigation";
        $navtitle = ' - '.strip_tags($fup['name']).$navtitle;
}



修改为：


if(!empty($tid) && !empty($fid)) {
        $query = $db->query("SELECT * FROM {$tablepre}threads WHERE tid='$tid' AND displayorder>='0'");
        $thread = $db->fetch_array($query);
        $fid = $thread['fid'];
        $navigation = "» <a href=\"viewthread.php?tid=$tid\">$thread[subject]</a>";
        $navtitle = $thread[subject];

        if($thread['readperm'] && $thread['readperm'] > $readaccess && !$forum['ismoderator'] && $thread['authorid'] != $discuz_uid) {
                showmessage('thread_nopermission', NULL, 'NOPERM');
        }
}

$navigation = "» <a href=\"forumdisplay.php?fid=$fid".($extra ? '&'.preg_replace("/^(&)*/", '', $extra) : '')."\">$forum[name]</a> $navigation";
$navtitle = strip_tags($forum['name']).$navtitle;
if($forum['type'] == 'sub') {
        $query = $db->query("SELECT name, fid FROM {$tablepre}forums WHERE fid='$forum[fup]'");
        $fup = $db->fetch_array($query);
        $navigation = "» <a href=\"forumdisplay.php?fid=$fup[fid]\">$fup[name]</a> $navigation";
        $navtitle = $navtitle;
}






./temlpates/default/header.htm
=======================================================

<title>$bbname $seotitle $navtitle - powered by Discuz!</title>
修改为：


<title><!--{if $navtitle}-->$navtitle - $bbname<!--{else}-->$bbname<!--{/if}--> </title>

=============================================================

如果大家觉得自己修改麻烦的话，可以直接下载我修改过的这几个文件，不过里面不包含header.htm的修改，因为大家用的模板不同，只须将所用模板修改即可。
下载地址：
http://www.dzhope.com/dzhope.rar
演示网站：http://bbs.dzhope.com 



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