查找model/doc.class.php中的 get_docs_by_cid()函数,大约在130行左右,将此函数更改为:
function get_docs_by_cid($cid,$start=0,$limit=5,$letter=”0″) {
$doclist=array();
if(is_array($cid)){
$cid=implode(“,”,$cid);
}
$sql=”SELECT distinct(a.did),title,author,authorid,`time`,tag,summary,edits,views,content FROM “.DB_TABLEPRE.”doc a INNER JOIN “.DB_TABLEPRE.”categorylink b WHERE a.did=b.did AND b.cid IN ($cid) “;
if($letter!=”0″){
$sql .=” AND a.letter=’”.strtoupper($letter).”‘”;
}
$query=$this->db->query($sql.”GROUP BY a.did ORDER BY a.lastedit DESC LIMIT $start,$limit”);
while($doc=$this->db->fetch_array($query)){
$doc['tag']=$this->spilttags($doc['tag']);
$doc['time']=$this->base->date($doc['time']);
$doc['rawtitle']=$doc['title'];
$doc['title']=htmlspecialchars($doc['title']);
$doc['image'] =util::getfirstimg($doc['content']);
$doclist[]=$doc;
}
return $doclist;
}
查找model/search.class.php中的fulltext_search()函数,大约在24行左右,修改为:
function fulltext_search($sql,$start=0,$limit=10){
$doclist=array();
$query=$this->db->query($sql.” limit $start,$limit”);
while($doc=$this->db->fetch_array($query)){
$doc['time']=$this->base->date($doc['time']);
$doc['tag']=$_ENV['doc']->spilttags($doc['tag']);
$doc['rawtitle']=$doc['title'];
$doc['title']=htmlspecialchars($doc['title']);
$doc['image'] =util::getfirstimg($doc['content']);
$doclist[]=$doc;
}
return $doclist;
}
还是在search.class.php中查找大约在57行的$result['sql']=’SELECT d.did,d.tag,d.title,d.author,d.authorid,d.time,d.summary,d.edits, d.views,d.comments FROM ‘.DB_TABLEPRE.’doc d ‘.$sqladdcat.’ WHERE 1 ‘.$sqladd.$order;语句,更改为:
$result['sql']=’SELECT d.did,d.tag,d.title,d.author,d.authorid,d.time,d.summary,d.edits, d.views,d.comments,d.content FROM ‘.DB_TABLEPRE.’doc d ‘.$sqladdcat.’ WHERE 1 ‘.$sqladd.$order;
这样呢,程序就改完了,下面是调用:
在模板目录下category.htm,search.htm中需要调用图片的地方写上以下代码:
<!–{if $doc['image']}–><img src=”{$doc['image']}” /><!–{/if}–>
以上代码是有图片就显示,没有图片就不显示,要想没有图片的文章中显示默认的缩略图怎么办呢?就是在调用图片的地方加入以下代码:
<img src=”<!–{if $doc['image']}–>{$doc['image']}<!–{else}–>style/default/noimg.jpg<!–{/if}–>” />
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