Hướng dẫn thêm nút mua ngay cho Woocommerce bằng code đơn giản

/*
* Add quick buy button go to checkout after click

* Author: vietnix.vn

*/

add_action('woocommerce_after_add_to_cart_button','devvn_quickbuy_after_addtocart_button');

function devvn_quickbuy_after_addtocart_button(){

    global $product;

    ?>

    <style>

        .devvn-quickbuy button.single_add_to_cart_button.loading:after {

            display: none;

        }

        .devvn-quickbuy button.single_add_to_cart_button.button.alt.loading {

            color: #fff;

            pointer-events: none !important;

        }

        .devvn-quickbuy button.buy_now_button {

            position: relative;

            color: rgba(255,255,255,0.05);

        }

        .devvn-quickbuy button.buy_now_button:after {

            animation: spin 500ms infinite linear;

            border: 2px solid #fff;

            border-radius: 32px;

            border-right-color: transparent !important;

            border-top-color: transparent !important;

            content: "";

            display: block;

            height: 16px;

            top: 50%;

            margin-top: -8px;

            left: 50%;

            margin-left: -8px;

            position: absolute;

            width: 16px;

        }

    </style>

    <button type="button" class="button buy_now_button">

        <?php _e('Mua ngay', 'devvn'); ?>

    </button>

    <input type="hidden" name="is_buy_now" class="is_buy_now" value="0" autocomplete="off"/>

    <script>

        jQuery(document).ready(function(){

            jQuery('body').on('click', '.buy_now_button', function(e){

                e.preventDefault();

                var thisParent = jQuery(this).parents('form.cart');

                if(jQuery('.single_add_to_cart_button', thisParent).hasClass('disabled')) {

                    jQuery('.single_add_to_cart_button', thisParent).trigger('click');

                    return false;

                }

                thisParent.addClass('devvn-quickbuy');

                jQuery('.is_buy_now', thisParent).val('1');

                jQuery('.single_add_to_cart_button', thisParent).trigger('click');

            });

        });

    </script>

    <?php

}

add_filter('woocommerce_add_to_cart_redirect', 'redirect_to_checkout');

function redirect_to_checkout($redirect_url) {

    if (isset($_REQUEST['is_buy_now']) && $_REQUEST['is_buy_now']) {

        $redirect_url = wc_get_checkout_url(); //or wc_get_cart_url()

    }

    return $redirect_url;

}

$redirect_url = wc_get_checkout_url();

$redirect_url = wc_get_cart_url();