dedecms织梦定时生成站点地图sitemap.xml的实现方法

<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<url>
<loc>/</loc>
<lastmod>{dede:arclist row=1 titlelen=24 orderby=pubdate}
[field:pubdate function=strftime('%Y-%m-%d',@me)/]
{/dede:arclist}</lastmod>
<changefreq>daily</changefreq>
<priority>1.0</priority>
</url>
{dede:channel row='10' type='top'}
<url>
<loc>[field:typelink /]</loc>
<changefreq>daily</changefreq>
<priority>0.8</priority>
</url>
{/dede:channel}
{dede:arclist row=2000 orderby=pubdate}
<url>
<loc>[field:arcurl/]</loc>
<lastmod>[field:pubdate function=strftime('%Y-%m-%d',@me)/]</lastmod>
<changefreq>monthly</changefreq>
</url>
{/dede:arclist}
</urlset>

//定时生成网站地图
require_once(dirname(__FILE__).'/../../include/common.inc.php');
include(DEDEINC."/arc.listview.class.php");
$lv = new ListView();
//解析模板到字符串
$lv->PartView = new PartView($lv->TypeID,false);
$lv->PartView->SetTypeLink($lv->TypeLink);
$lv->PartView->SetTemplet(DEDETEMPLATE.'/2012/sitemap.xml');
$html = $lv->PartView->GetResult();
file_put_contents('../../sitemap.xml',$html);
?>