'extrasitemap' => [
0 => '\\app\\extra\\sitemap\\controller\\Index@index',
1 => [],
2 => [],
],

<?php
namespace app\extra\sitemap;
use app\common\model\Vod;
use app\common\model\Art;
class Sitemap
{
public function generate()
{
$urls = [];
$vods = Vod::where(['vod_status'=>1])->order('vod_id desc')->limit(10000)->select();
foreach ($vods as $vod) {
$loc = url('vod/detail', ['id'=>$vod['vod_id']], true, true);
$loc = str_replace('/index.php', '', $loc);
$urls[] = [
'loc' => $loc,
'lastmod' => date('Y-m-d\TH:i+08:00', $vod['vod_time']),
'changefreq' => 'weekly',
'priority' => '0.8'
];
}
$arts = Art::where(['art_status'=>1])->order('art_id desc')->limit(10000)->select();
foreach ($arts as $art) {
$loc = url('art/detail', ['id'=>$art['art_id']], true, true);
$loc = str_replace('/index.php', '', $loc);
$urls[] = [
'loc' => $loc,
'lastmod' => date('Y-m-d\TH:i+08:00', $art['art_time']),
'changefreq' => 'weekly',
'priority' => '0.6'
];
}
$xml = '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
$xml .= '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" ';
$xml .= 'xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ';
$xml .= 'xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 ';
$xml .= 'http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">' . "\n";
foreach ($urls as $url) {
$xml .= " <url>\n";
$xml .= " <loc>{$url['loc']}</loc>\n";
$xml .= " <lastmod>{$url['lastmod']}</lastmod>\n";
$xml .= " <changefreq>{$url['changefreq']}</changefreq>\n";
$xml .= " <priority>{$url['priority']}</priority>\n";
$xml .= " </url>\n";
}
$xml .= '</urlset>';
$result = @file_put_contents('./sitemap.xml', $xml);
if ($result === false) {
return 'sitemap.xml生成失败，请检查网站根目录写入权限！';
}
return 'sitemap.xml生成成功！';
}
}

<?php
namespace app\extra\sitemap\controller;
use app\extra\sitemap\Sitemap;
class Index
{
public function index()
{
$sitemap = new Sitemap();
$msg = $sitemap->generate();
echo $msg;
}
}