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[英]Related Products only by categories, not by tags in WooCommerce 3
[英]WooCommerce - related products by tags and categories
我想根据标签在我网站的每个产品页面中显示 8 个“相关产品”。 但如果结果少于 8 个,则用相同类别的产品填补空白。
这是我用于仅显示与标签相关的产品 ( functions.php
) 的代码:
//New "Related Products" function for WooCommerce
function get_related_custom( $id, $limit = 5 ) {
global $woocommerce;
// Related products are found from category and tag
$tags_array = array(0);
$cats_array = array(0);
// Get tags
$terms = wp_get_post_terms($id, 'product_tag');
foreach ( $terms as $term ) $tags_array[] = $term->term_id;
// Get categories (removed / commented)
/*
$terms = wp_get_post_terms($id, 'product_cat');
foreach ( $terms as $term ) $cats_array[] = $term->term_id;
*/
// Don't bother if none are set
if ( sizeof($cats_array)==1 && sizeof($tags_array)==1 ) return array();
// Meta query
$meta_query = array();
$meta_query[] = $woocommerce->query->visibility_meta_query();
$meta_query[] = $woocommerce->query->stock_status_meta_query();
// Get the posts
$related_posts = get_posts( apply_filters('woocommerce_product_related_posts', array(
'orderby' => 'rand',
'posts_per_page' => $limit,
'post_type' => 'product',
'fields' => 'ids',
'meta_query' => $meta_query,
'tax_query' => array(
'relation' => 'OR',
array(
'taxonomy' => 'product_cat',
'field' => 'id',
'terms' => $cats_array
),
array(
'taxonomy' => 'product_tag',
'field' => 'id',
'terms' => $tags_array
)
)
) ) );
$related_posts = array_diff( $related_posts, array( $id ));
return $related_posts;
}
add_action('init','get_related_custom');
您编写的函数现已停止使用( 参见 GitHub 中的此内容)
( 我们可以在这里阅读),你可以添加的functions.php文件中的两个片段中的wp-content /主题/主题名称之一/。
如果要按标签隐藏相关产品,请添加以下内容:
/**
* Does not filter related products by tag
*/
add_filter( 'woocommerce_product_related_posts_relate_by_tag', '__return_false' );
或者添加这个,如果你想按类别隐藏相关产品:
/**
* Does not filter related products by category
*/
add_filter( 'woocommerce_product_related_posts_relate_by_category', '__return_false' );
在此之后,您可能需要清除瞬变以查看结果(或等待它们到期)。
如果您添加两个片段(如在另一个答案中),您的相关产品将为空,因为它们不会从标签和类别中填充
在wp-content/themes/your-theme-name/ 中打开您的functions.php文件,并在文件末尾添加以下代码:
/**
* Does not filter related products by tag
*/
add_filter( 'woocommerce_product_related_posts_relate_by_tag', '__return_false' );
/**
* Does not filter related products by category
*/
add_filter( 'woocommerce_product_related_posts_relate_by_category', '__return_false' );
有一个漂亮的免费插件可以完全满足您的要求: https : //wordpress.org/plugins/woo-related-products-refresh-on-reload/
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