WordPress搜索-显示包含搜索到的单词/词条的段落

问题描述

首先,我在wordpress中使用Timber(TWIG)。这就是为什么仅使用PHP会有一些差异。

我通过搜索的单词突出显示系统(带有“ mark” js插件)实现了wordpress搜索功能

一切正常,但是我想将包含搜索词的段落显示为摘录。

例如,如果我在搜索中使用单词“ speaker”。我想在结果中显示包含单词“ speaker”的段落。

要插入适当的段落而不是card.article_exceprt( 参见下面的完整代码):

<div class="card__content">
    {{ card.article_exceprt }}
</div>

该怎么做?

script.js

function init_datas_fetch() {
$('#search-form').on('submit',function(e) {
    e.preventDefault();

    var searchValue = $('#search-input').val();

    if (searchValue.length > 0) {
        $.ajax({
            type: 'POST',url: '/wp-admin/admin-ajax.PHP',dataType: 'html',data: {
                'action' : 'datas_fetch','terms' : searchValue
            },success: function(data) {
                $('#fetch-list').html(data);
            },error: function(data) {

            }
        });
    } else {
        $('#fetch-list').html('');
    }
});
}

functions.PHP

add_action( 'wp_ajax_nopriv_datas_fetch','datas_fetch' );
add_action( 'wp_ajax_datas_fetch','datas_fetch' );

function datas_fetch() {
    $context['page_search'] = true;
    $keywords = isset($_POST['terms']) ? $_POST['terms'] : '';

    $posts_types_selected = array('pages' => 'page','articles' => 'post','videos' => 'videos','podcasts' => 'podcasts');

    $exclude_posts = get_field('search_exclude','option');

    $Meta_query = array(
        'relation' => 'OR'
    );

    if (!empty($keywords)) {
        $fields = array(
            'article_exceprt','article_chapeau','blocs_article_$_article_wysiwyg'
        );

        foreach($fields as $field) {
            array_push($Meta_query,array(
                'key' => $field,'value' => $keywords,'compare' => 'LIKE'
            ));
        }
    }

    if ($keywords) {
        $context['posts'] = Timber::get_posts(array(
            'post_type' => array_values($posts_types_selected),'post_status' => 'publish','posts_per_page' => -1,'paged' => 1,'orderby' => 'date','order' => 'DESC','post__not_in' => array_values($exclude_posts),'hide_empty' => true,'has_password' => FALSE,'_Meta_or_title' => $keywords,'Meta_query' => $Meta_query
        ));
    } else {
        $context['posts'] = Timber::get_posts(array(
            'post_type' => array_values($posts_types_selected),'has_password' => FALSE
        ));
    }

    Timber::render( 'bloc_fetch.twig',$context );

    die();
}

tpl_search.twig

<form role="search" id="search-form">
    <input type="text" id="search-input" class="search__input" placeholder="{{ __('Rechercher des articles,vidéos...','cmd') }}" value="">
    <input type="submit" id="search-submit" class="search__button" value="Rechercher">
</form>

<div id="fetch-list">
 {% include "bloc_fetch.twig" %}
</div>

bloc_fetch.twig

{% for card in posts %}
    <div class="card">
        <img src="{{ card.thumbnail.src }}" class="card__visual" alt="{{ card.thumbnail.alt }}">
        <a href="{{ card.link }}" class="card__link"></a>
        <div class="card__content">
            {{ card.article_exceprt }}
        </div>
    </div>
{% endfor %}

解决方法

如果您尝试检索自定义字段,请使用:

{{ card.meta('article_exceprt') }}

否则对于 post excert,请尝试:

{{ card.preview }}