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如何使wordpress快捷代码功能可重复使用?

wordpress php

LOTUSMS · 技术社区 · 3 年前

我正在做一个自定义博客(没有模板,插件最少)。我在functions.php文件中有这个代码片段,用于按类别(DayTrips)显示博客。我的问题是,我想通过在使用级别使类别名称动态化,使其更易于维护,也不那么冗长。我有大约30个不同的类别。我不想把这个快捷代码复制30份,然后把每个都分配到一个类别。

这是我的短代码

        // Blog Posts Queries
    function day_trips_blogs() {
        ob_start();

        $the_query = new WP_Query( 
            array( 
                'category_name' => 'day-trips', <-- THIS PART
                'post_status' => 'publish',
                'orderby'=> 'date', 
                'order' => 'DESC' 
            ) 
        ); 
        
        // The Loop
        if ( $the_query->have_posts() ) { 
            ?>
                <div class="uk-grid postcards">
                <?php
                    while ( $the_query->have_posts() ) {
                        $the_query->the_post();

                        if ( has_post_thumbnail() ) {     
                            $backgroundImg = wp_get_attachment_image_src( get_post_thumbnail_id($post=""->ID), '335.95, 335.95' ); 
                            ?>   
                            <div class="uk-width-1-3@m uk-margin-bottom">
                                <div class="uk-card uk-card-default uk-padding-remove">
                                    <div class="uk-card-header uk-padding-remove">
                                        <div class="uk-card-media-top">
                                            <a class="text-dark" href="<?php the_permalink() ?>">
                                                <div class="card-image lazy-load-active text-center" style="background-size:cover; background-image: url( '<?php echo $backgroundImg[0]; ?>'); "></div> 
                                            </a>
                                        </div>
                                        <div class="uk-card-body uk-padding-small">
                                            <h3 class="uk-card-title uk-text-center">
                                                <?php the_title() ?>
                                            </h3>

                                            <p class="uk-margin-bottom">
                                                By: <?php echo get_the_author(); ?>
                                            </p>

                                            <p><?php the_excerpt() ?></p>
                                        </div>
                                    </div>
                                </div>  
                            </div>
                        <?php
                    } else { 
                        // if no featured image is found
                        ?> 
                            <div class="uk-width-1-3@m uk-margin-bottom">
                                <div class="uk-card uk-card-default uk-padding-remove">
                                    <div class="uk-card-body uk-padding-small">
                                        <a class="text-dark" href="<?php the_permalink() ?>">
                                            <h3 class="uk-card-title">
                                                <?php the_title() ?>
                                            </h3>
                                        </a>
                                        <p><?php the_excerpt() ?></p>
                                    </div>
                                </div>  
                            </div>       
                        <?php
                    }
                }
        } else {   
                // if no data is found
            ?>
                <div class="postsbycategory widget_recent_entries uk-grid friends">
                    <div class="uk-width-1-1 uk-text-center">
                        <h4>No blogs are available yet. Come back soon!</h4>
                    </div>
                </div>
            <?php
        }

        return ob_get_clean();

        /* Restore original Post Data */
        wp_reset_postdata();
    }
    add_shortcode('day-trips-posts', 'day_trips_blogs');

我怎样才能通过 'category_name' => '??????' 到短代码本身,所以我可以这样称呼它

    [blogs category="day-trips"]
    [blogs category="recipes"]
    [blogs category="whatever"]

1 回复 | 直到 3 年前

mWin 3 年前

可以将属性传递给shortcode:

function day_trips_blogs( $atts ) {

    $atts = shortcode_atts( array(
        'my_category' => 'default-category',
    ), $atts, 'day-trips-posts' );

    ob_start();

    $the_query = new WP_Query( 
        array( 
            'category_name' => $atts['my_category']
            'post_status' => 'publish',
            'orderby'=> 'date', 
            'order' => 'DESC' 
        ) 
    );

其余的代码可以保持不变,但我会在ob_start之前推送query,以便只在缓冲区内进行渲染。

那么您将称之为:

[一日游发布my_category=“foo”]