點評：DEDE的相關文章完全不相關，有朋友在DEDE官方放出根據TAG顯示相關文章，也是很不錯，可惜我在根據那邊文章改DEDE代碼后老是不行，可能是能力有限，當然也有可能是代碼有問題

//查詢指定欄目里包含相應關鍵字的文章，并列出
//參數說明：$showImg 是否顯示縮略圖，0表示不顯示，1表示顯示
// $titleLen 標題長度，0表示無限
// $rowCount 輸出行數，0表示無限
// $typeid 欄目ID，0表示所有欄目
// $keyWord 關鍵字，字符串
function ShowKeyWordArc($showImg,$titleLen,$rowCount,$typeid,$keyWord){
$dsql = new DedeSql(false);
$sql = TypeGetSunID($typeid,$dsql); </p> <p>//關鍵字分詞技術
$ks = explode(" ",$keyWord);
foreach($ks as $k){
$k = trim($k);
if ($k!="") {
$kwsqlarr[] = " (xkzzz_archives.title like '%$k%')";
//$kwsqlarr[] = " (xkzzz_archives.keywords like '%$k%') "; //如果需要相關到其它文章的關鍵字，解除此行注釋
}
}
$where = implode(' OR ',$kwsqlarr); </p> <p>$sql="Select tp.namerule,tp.typedir,xkzzz_full_search.aid,xkzzz_full_search.url,xkzzz_archives.* From xkzzz_full_search left join xkzzz_archives on xkzzz_full_search.aid=xkzzz_archives.ID left join xkzzz_arctype tp on xkzzz_archives.typeid=tp.ID where {$sql} and ((xkzzz_archives.title like '%".$keyWord."%') or $where) order by xkzzz_full_search.aid desc";
$dsql->SetQuery($sql);
$dsql->Execute();
$ss="";
$i=0;
while($row=$dsql->GetObject()){
$url=GetFileUrl($row->ID,$row->typeid,$row->senddate,$row->title,$row->ismake,$row->arcrank,$row->namerule,$row->typedir,$row->money);
if ($showImg==0){
$ss=$ss."<LI><a href='".$url."' target=_blank>";
if ($titleLen!=0) $ss=$ss.cn_substr($row->title,$titleLen);
else $ss=$ss.$row->title;
$ss=$ss."</A></LI>";
}else{
$ss=$ss."<LI><span class='sjdqimggl'><a href='".$url."' target=_blank>"; </p> <p>if ($row->litpic!="") $ss=$ss."<img src='".$row->litpic."' alt='".$row->title."' />";
else $ss=$ss."<img src='/images/titl.gif'/>";
$ss=$ss."</a></span><span class='sjdqtxttl'><a href='".$url."' target=_blank>";
if ($titleLen!=0) $ss=$ss.cn_substr($row->title,$titleLen);
else $ss=$ss.$row->title;
$ss=$ss."</A></span></LI>";
}
$i++;
if (($rowCount!=0)&&($i>=$rowCount)) return $ss;
}
return $ss;
}