2024年08月17日 建站教程
为了有助于网站seo，typecho如何直接替换文章内容的友链，直接附代码：
$Keywordspress = new Typecho_Widget_Helper_Form_Element_Textarea('Keywordspress', NULL, NULL, _t('关键字内链'), _t('每行1组以"关键词|(半角竖线)链接"形式填写)'));
$form->addInput($Keywordspress);
/**
* 文章内容替换为内链
*/
function get_glo_keywords($content){
$settings = Helper::options()->Keywordspress;
$keywords_list = array();
if (strpos($settings,'|')) {
//解析关键词数组
$kwsets = array_filter(preg_split("/(\r|\n|\r\n)/",$settings));
foreach ($kwsets as $kwset) {
$keywords_list[] = explode('|',$kwset);
}
}
ksort($keywords_list); //对关键词排序，短词排在前面
if($keywords_list){
$readnum = 0;
$i = 0;
$j = 1;
foreach ($keywords_list as $key => $val) {
$title = $val[$i];
$len = strlen($title);
$str = '<a href="'.$val[$j].'" target="_blank">@'.$title.'</a>';
$str_index = mb_strpos($content, $title);
$content = preg_replace('/(?!<[^>]*)'.$title.'(?![^<]*>)/',$str,$content,1);
if(is_numeric($str_index)){
$readnum += 1;
//$content = substr_replace($content,$str,$str_index,$len);
//$content = $this->str_replace_limit($title,$str,$content,$this->limit);
}
if($readnum == 8) {
return $content; //匹配到8个关键词就退出
$i += 2;
$j += 2;
}
}
}
return $content;
}
本文链接：http://so.lmcjl.com/news/11057/