晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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<?php
namespace Yoast\WP\SEO\Presenters;
use Yoast\WP\SEO\Presentations\Indexable_Presentation;
/**
* Presenter class for the rel next meta tag.
*/
class Rel_Next_Presenter extends Abstract_Indexable_Tag_Presenter {
/**
* The tag key name.
*
* @var string
*/
protected $key = 'next';
/**
* The tag format including placeholders.
*
* @var string
*/
protected $tag_format = self::LINK_REL_HREF;
/**
* The method of escaping to use.
*
* @var string
*/
protected $escaping = 'url';
/**
* Returns the rel next meta tag.
*
* @return string The rel next tag.
*/
public function present() {
$output = parent::present();
if ( ! empty( $output ) ) {
/**
* Filter: 'wpseo_next_rel_link' - Allow changing link rel output by Yoast SEO.
*
* @param string $unsigned The full `<link` element.
*/
return \apply_filters( 'wpseo_next_rel_link', $output );
}
return '';
}
/**
* Run the canonical content through the `wpseo_adjacent_rel_url` filter.
*
* @return string The filtered adjacent link.
*/
public function get() {
if ( \in_array( 'noindex', $this->presentation->robots, true ) ) {
return '';
}
/**
* Filter: 'wpseo_adjacent_rel_url' - Allow filtering of the rel next URL put out by Yoast SEO.
*
* @param string $rel_next The rel next URL.
* @param string $rel Link relationship, prev or next.
* @param Indexable_Presentation $presentation The presentation of an indexable.
*/
return (string) \trim( \apply_filters( 'wpseo_adjacent_rel_url', $this->presentation->rel_next, 'next', $this->presentation ) );
}
}