将以下php文件放到网站的根目录。
加入此sitemap的前提：
必须将PHPBB论坛的默认URL规格改成以下文件里生成的格式。
具体方法，请参考：
http://www.jb200.com/article/13591.html
注意：
红色部分的代码，修改成自己网站对应的内容：
<?php
// By: Arlinger On 2012-6-4
//
// CUSTOM INSTALLATION VARIABLES:
$subdomain='www.';
$domain=' '; //这里要改成你的网站名
$folder='/forum/'; //这里要改成你把博客所在的文件夹的名字
$urls=50000;
// Change Nothing Below Here:
$domainpath='http://'.$subdomain.$domain.$folder;
// Connect
define('IN_PHPBB', true);
$phpbb_root_path = './';
$phpEx = substr(strrchr(__FILE__, '.'), 1);
include($phpbb_root_path . 'config.' . $phpEx);
include($phpbb_root_path . 'includes/db/' . $dbms . '.' . $phpEx);
$db = new $sql_db();
$db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false, false);
// gzip compression
if (@extension_loaded('zlib') && !headers_sent())
{
ob_start('ob_gzhandler');
}
// Send Header
header("Content-Type: text/xml;charset=iso-8859-1");
// Send initial Data
echo '<?xml version="1.0" encoding="UTF-8"?>'."n";
echo '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'."n";
// Send Index
$current_time=time();
echo '<url>
<loc>'.$domainpath.'</loc>
<lastmod>'.date("Y-m-dTH:i:sP",$current_time).'</lastmod>
</url>';
$urls=$urls-1;
// Send Forums
$sql = 'SELECT forum_id, forum_last_post_time FROM '.$table_prefix.'forums WHERE enable_indexing=1 LIMIT '.$urls;
$result = $db->sql_query($sql);
while ($data=$db->sql_fetchrow($result)) {
// Fix for parents forums showing 1969
if ($data['forum_last_post_time'] == 0) {
$data['forum_last_post_time']=$current_time;}
echo '<url>
<loc>'.$domainpath.'viewforum-'.$data['forum_id'].'.html'.'</loc>
<lastmod>'.date("Y-m-dTH:i:sP",$data['forum_last_post_time']).'</lastmod>
</url>';
$urls=$urls-1;
}
$db->sql_freeresult($result);
// Send Topics
$sql = 'SELECT * FROM '.$table_prefix.'topics as t, '.$table_prefix.'forums as f WHERE t.topic_approved=1 AND t.forum_id=f.forum_id AND f.enable_indexing=1 ORDER BY t.topic_id DESC LIMIT '.$urls;
$result = $db->sql_query($sql);
while ($data=$db->sql_fetchrow($result)) {
echo '<url>
<loc>'.$domainpath.'viewtopic-'.$data['topic_id'].'.html'.'</loc>
<lastmod>'.date("Y-m-dTH:i:sP",$data['topic_last_post_time']).'</lastmod>
</url>';
}
$db->sql_freeresult($result);
// Send Closing Tags
echo ' </urlset>';
?>