使用纯代码给WordPress添加文章目录功能,支持快速定位和多级目录

//主机测评-www.zhujizhen.com
//文章目录
function article_index($content) {
$matches = array();
$ul_li = '';
$r = '/(.*?)/is';
if(is_single() && preg_match_all($r, $content, $matches)) {
foreach($matches[1] as $key => $value) {
$title = trim(strip_tags($matches[2][$key]));
$content = str_replace($matches[0][$key], ' . $value . ' id="title-' . $key . '">'.$title.'', $content);
$ul_li .= '
.$key.'" title="'.$title.'">'.$title."
/n";
}
$content = "/n

文章目录
/n" . $ul_li . "
/n" . $content;
}
return $content;
}
add_filter( 'the_content', 'article_index' );

#article-index {
-moz-border-radius: 6px 6px 6px 6px;
border: 1px solid #DEDFE1;
float: right;
margin: 0 0 15px 15px;
padding: 0 6px;
width: 200px;
line-height: 23px;
}
#article-index strong {
border-bottom: 1px dashed #DDDDDD;
display: block;
line-height: 30px;
padding: 0 4px;
}
#index-ul {
margin: 0;
padding-bottom: 10px;
}
#index-ul li {
background: none repeat scroll 0 0 transparent;
list-style-type: disc;
padding: 0;
margin-left: 20px;
}

wordpress是一款强大的博客系统，支持各种DIY，今天我就给大家带来使用纯代码给Wordpress添加文章目录的功能，使看文章更简单！并且支持点击目录标题快速定位到文章页面指定内容点。文章源自国外主机测评-https://www.zjcp.org/14535.html

一、文章目录代码

把以下代码添加到主题的Functions.php文件中文章源自国外主机测评-https://www.zjcp.org/14535.html

//主机测评-www.zhujizhen.com
//文章目录
function article_index($content) {
$matches = array();
$ul_li = '';
$r = '/(.*?)/is';
if(is_single() && preg_match_all($r, $content, $matches)) {
foreach($matches[1] as $key => $value) {
$title = trim(strip_tags($matches[2][$key]));
$content = str_replace($matches[0][$key], ' . $value . ' id="title-' . $key . '">'.$title.'', $content);
$ul_li .= '
.$key.'" title="'.$title.'">'.$title."
/n";
}
$content = "/n

文章目录
/n" . $ul_li . "
/n" . $content;
}
return $content;
}
add_filter( 'the_content', 'article_index' );

二、CSS样式代码

把以下代码添加到主题的“main.css”文件最底部中文章源自国外主机测评-https://www.zjcp.org/14535.html

#article-index {
-moz-border-radius: 6px 6px 6px 6px;
border: 1px solid #DEDFE1;
float: right;
margin: 0 0 15px 15px;
padding: 0 6px;
width: 200px;
line-height: 23px;
}
#article-index strong {
border-bottom: 1px dashed #DDDDDD;
display: block;
line-height: 30px;
padding: 0 4px;
}
#index-ul {
margin: 0;
padding-bottom: 10px;
}
#index-ul li {
background: none repeat scroll 0 0 transparent;
list-style-type: disc;
padding: 0;
margin-left: 20px;
}

 文章源自国外主机测评-https://www.zjcp.org/14535.html