开发主题时写的一些代码

Portfolio Filter

<!-- Portfolio Filter
============================================= -->
<ul class="portfolio-filter clearfix" data-container="#portfolio">

    <li class="activeFilter"><a href="#" data-filter="*">Show All</a></li>

    <?php

    // wp_list_categories( array(
    //  'show_option_all'     => 'Show All',
    //  'taxonomy'            => 'product_category',
    //  'hide_empty'          => 0,
    //  'title_li'            => '',
    //  'walker'              => '',
    // ) );

    $args=array(
        'type'                  => 'product',
        'taxonomy'              => 'product_category',
        'hide_empty'            => 0,
    );
    $categories = get_categories($args);
    foreach($categories as $category) {
        echo '<li>';
        echo '<a href="' . get_category_link( $category->term_id ) . '" data-filter="' . sprintf( __( ".%s" ), $category->slug ) . '" ' . '>' . $category->name.' </a>';
        echo '</li>';
    }
    ?>
</ul><!-- #portfolio-filter end -->

<?php
$args = array(
    'post_type' => 'product',                       //自定义文章类型名称
    'showposts'=> 1,
    'tax_query' => array(
        array(
            'taxonomy' => 'product_category',
            'field' => 'slug',                      //(string) - Select taxonomy term by ('id' or 'slug')
            'terms' => array( $cat_slug ),          //(int/string/array) - Taxonomy term(s).
        )
    )
    );
$my_query = new WP_Query($args);
if ( $my_query->have_posts() ) {

    while ( $my_query->have_posts() ) {
        $my_query->the_post();

        get_template_part( 'template-parts/content', 'portfoliobrif' );
    }
}
wp_reset_query(); //重置 query 查询
?>

    <?php

    $terms = wp_get_object_terms( $post->ID, 'product_category' );
    foreach( $terms as $term )
        $term_slugs[] = $term->slug;

    // echo $custom_cat =  implode( '', $term_slugs );
    // var_dump($term_slugs);
    $args = array(
        'post_type' => 'product', //自定义文章类型名称
        'showposts' => 10, //输出的文章数量，这个可以是缺省值，不用设置
        'tax_query' => array(
            array(
                'taxonomy' => 'product_category',//自定义分类法名称
                'field'    => 'slug',
                'terms' => $term_slugs, //id 为 64 的分类。也可是多个分类 array(12,64)
                ),
            )
        );
    $my_query = new WP_Query($args);