dede网站内容页如何调取栏目页标题及关键字组合为seo标题

{dede:field name='typeid' runphp='yes'}
$id=@me;
global $dsql;
$sql="select seotitle from dede_arctype where id=$id";
$row=$dsql->getOne($sql);
@me=$row["seotitle"];
{/dede:field}

<meta name="description" content="{dede:field.description function='html2text(@me)'/}" />

<meta name="description" content="{dede:field name='typeid' runphp='yes'}
$id=@me;
global $dsql;
$sql="select description from dede_arctype where id=$id";
$row=$dsql->getOne($sql);
@me=$row["description"];
{/dede:field}" />

<meta name="keywords" content="{dede:field.keywords/}" />

<meta name="keywords" content="{dede:field name='typeid' runphp='yes'}
$id=@me;
global $dsql;
$sql="select keywords from dede_arctype where id=$id";
$row=$dsql->getOne($sql);
@me=$row["keywords"];
{/dede:field}" />

{dede:field name='title'/}-{dede:field name='position' runphp='yes'}
$tc="-"; //分隔符
$tw=$GLOBALS['cfg_list_symbol']; //调用位置分隔符
@me=html2text(@me); //去除html标签
$tf=split($tw,@me); //分解成数组
for($ta=(count($tf)-2);$ta>=1;$ta--){ //循环赋值给$tk
$tk.=trim($tf[$ta]).$tc;
}
$tk=substr($tk,0,-1);
@me=$tk; //赋值给@me
{/dede:field}-{dede:global name='cfg_webname'/}