引入类库

require_once 'library/Sitemap.php';

初始化

$sitemap = new SitemapGenerator('http://www.xxx.com/', $base_dir);
// will create also compressed (gzipped) sitemap
$sitemap->createGZipFile = true;
// determine how many urls should be put into one file
$sitemap->maxURLsPerSitemap = 10000;
// sitemap file name
$sitemap->sitemapFileName = 'sitemap.xml';
// sitemap index file name
$sitemap->sitemapIndexFileName = 'sitemap-index.xml';
// robots file name
$sitemap->robotsFileName = 'robots.txt';

添加网站地图URL  第一个参数是访问地址 第二个参数是 修改日期 第三个上述是修改频率 第四个参数是URL权重

$sitemap->addUrl("http://www.xxx.la/com/{$cate['id']}.html", date('c'), 'daily', '0.6');

生成地图

try {
    // create sitemap
    $sitemap->createSitemap();
    // write sitemap as file
    $sitemap->writeSitemap();
    // update robots.txt file
    $sitemap->updateRobots();
    // submit sitemaps to search engines
    // $result = $sitemap->submitSitemap('yahooAppId');
    // shows each search engine submitting status
} catch (Exception $exc) {
    echo $exc->getTraceAsString();
}