>dede>> 热门关键词 全局标记 V55,V56,V57 获取网站搜索的热门关键字 {dede:hotwords /} num:关键词数目 subday:天数 maxlength:关键词最大长度 >>dede>>*/ function lib_hotwords(&$ctag,&$refObj) { global $cfg_phpurl,$dsql; $attlist="num|6,subday|365,maxlength|16"; FillAttsDefault($ctag->CAttribute->Items,$attlist); extract($ctag->CAttribute->Items, EXTR_SKIP); $nowtime = time(); if(empty($subday)) $subday = 365; if(empty($num)) $num = 6; if(empty($maxlength)) $maxlength = 20; $maxlength = $maxlength+1; $mintime = $nowtime - ($subday * 24 * 3600); $dsql->SetQuery("SELECT keyword FROM `#@__search_keywords` WHERE lasttime>$mintime AND length(keyword)<$maxlength ORDER BY count DESC LIMIT 0,$num"); $dsql->Execute('hw'); $hotword = ''; while($row=$dsql->GetArray('hw')){ $hotword .= "　".$row['keyword']." "; } return $hotword; }