织梦dede将RSS描述改成全文内容输出的方法

$query = "Select
dede_archives.ID,dede_archives.title,dede_archives.source,dede_archives.writer,dede_archives.type
id,dede_archives.ismake,dede_archives.money,
dede_archives.description,dede_archives.pubdate,dede_archives.senddate,dede_archives.arcrank,#@_
_archives.click,
dede_archives.litpic,dede_arctype.typedir,dede_arctype.typename,dede_arctype.isdefault,
dede_arctype.defaultname,dede_arctype.namerule,dede_arctype.namerule2,dede_arctype.ispart,
dede_arctype.siteurl,dede_addonarticle.body
from dede_archives
left join dede_arctype on dede_archives.typeid=dede_arctype.ID
left join dede_addonarticle on dede_archives.ID=dede_addonarticle.aid
where $orwhere $ordersql limit 0,".$this->MaxRow;

$row["body"] = substr($row["body"], 0, strpos($row["body"].""));//lava