产品列表的WooCommerce add Read more按钮

add_filter( 'woocommerce_get_template_part', 'custom_product_description', 20, 2 );
function custom_product_description( $template, $slug ) {
    if ( 'content-single-product.php' === $slug ) {
        ob_start();
        ?>
        <div class="woocommerce-product-details__short-description">
            <?php the_excerpt(); ?>
        </div>
        <div class="woocommerce-product-details__full-description" style="display:none;">
            <?php the_content(); ?>
        </div>
        <button class="read-more-btn">Read more</button>
        <script>
            jQuery(document).ready(function($) {
                $('.read-more-btn').click(function() {
                    $('.woocommerce-product-details__full-description').slideToggle();
                    $(this).text($(this).text() === 'Read more' ? 'Read less' : 'Read more');
                });
            });
        </script>
        <?php
        return ob_get_clean();
    }
    return $template;
}