下面将显示在所选的可变价格（在可变产品上）之后的相应 Package 类型，例如："39欧元，一盒300克”

add_filter( 'woocommerce_available_variation', 'set_packaging_type_after_variation_price', 10, 3 );
function set_packaging_type_after_variation_price( $data, $product, $variation ) {
    $targeted_taxonomy  = 'pa_verpackung'; // <== Define here the product attribute taxonomy

    // Loop through variation attributes
    foreach( $data['attributes'] as $variation_attribute => $term_slug ) {
        $attribute_taxonomy = str_replace( 'attribute_', '', $variation_attribute ); // Get product attribute the taxonomy

        // For matching variation attribute …
        if ( $attribute_taxonomy == $targeted_taxonomy ){
            $verpackung  = get_term_by( 'slug', $term_slug, $attribute_taxonomy )->name; // Get the term name
            $verpackung = ' <span class="verpackung">'. __('für eine '). $verpackung .'</span></span>';
            // Set the "packaging" after the selected viariation price
            $data['price_html'] = str_replace( '</span></span>', '</span>' . $verpackung, $data['price_html'] );
            break; // Stop the loop
        }
    }
    return $data;
}

代码在你的活动子主题（或活动主题）的function.php文件中。