dede文檔關(guān)鍵詞維護(hù)“頻率”,這個(gè)頻率只是表示關(guān)鍵詞的熱度,同動(dòng)易系統(tǒng)的關(guān)鍵詞權(quán)重等同。系統(tǒng) 》系統(tǒng)基本參數(shù) 》其他選項(xiàng)的最后一行。文檔內(nèi)容同一關(guān)鍵詞替換次數(shù)(0為全部替換):1(1表示只鏈接第一個(gè)出現(xiàn)的目標(biāo)關(guān)鍵詞)。如圖:

說到這里,可能又會(huì)出現(xiàn)一個(gè)問題。比如我在后臺(tái)設(shè)置了兩個(gè)錨文本鏈接“SEO方案”、“SEO”,但文章第一次出現(xiàn)“SEO方案”這個(gè)詞的時(shí)候,本來設(shè)想是應(yīng)該鏈接到“SEO方案”所對(duì)應(yīng)的頁面,但是織夢(mèng)默認(rèn)設(shè)置為鏈接到“SEO”所對(duì)應(yīng)的頁面。那么,這種情況應(yīng)該如何處理呢? 解決方法(先備份) 第一步:打開目錄include中的arc.archivew.class.php(arc.archives.class.php) 找到function ReplaceKeyword($kw,&$body)代碼,從這里然后一直到最下面的“?>”之前。替換這段代碼:
function ReplaceKeyword($kw,&$body) { global $cfg_cmspath; $maxkey = 5; $kws = explode(",",trim($kw)); //以分好為間隔符 $i=0; $karr = $kaarr = $GLOBALS['replaced'] = array(); //暫時(shí)屏蔽超鏈接 $body = preg_replace("/()(.*)(<)(/a>)/isU", '/1-]-/4-[-/6', $body); global $dsql; $query="SELECT * FROM keywords WHERE rpurl<>'' and sta=1 ORDER BY length(keyword)desc"; $dsql->SetQuery($query); $dsql->Execute(); while($row = $dsql->GetArray()) { $key = trim($row['keyword']); $key_url=trim($row['rpurl']); $karr[] = $key; $kaarr[] = "$key"; } foreach ($karr as $key => $word) { $body = preg_replace("/(^|>)([^<]+)(?=<|$)/sUe", "_highlight('/2', $karr[$key], $kaarr[$key], '/1')", $body); //echo $body.""; //恢復(fù)超鏈接 $body = preg_replace("/()/isU", '/1>/3</4', $body); //暫時(shí)屏蔽超鏈接 $body = preg_replace("/()(.*)(<)(/a>)/isU", '/1-]-/4-[-/6', $body); } //恢復(fù)超鏈接 $body = preg_replace("/()/isU", '/1>/3</4', $body); return $body; } }//End Archives //高亮專用, 替換多次是可能不能達(dá)到最多次 function _highlight($string, $words, $result, $pre) { global $cfg_replace_num; $string = str_replace('"', '"', $string); if($GLOBALS['replaced'][$words] == 1) { return $pre.$string; } if($cfg_replace_num > 0) { $string = preg_replace("/".preg_quote($words)."/", $result, $string, $cfg_replace_num); if(strpos($string, $words) !== false) { $GLOBALS['replaced'][$words] = 1; //echo $words; } } else { $string = str_replace($words, $result, $string); } return $pre.$string; } 進(jìn)入后臺(tái)生成,至此大功告成。備注:1 文章提到的arc.archivew.class.php,織夢(mèng)在升級(jí)后變成了 arc.archives.class.php2 修改過程中,文檔末尾“?>”千萬要保留3 這篇文章寫得很好,不過代碼有問題4 這篇文章的代碼是正確的
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