WooCommerce使用表单中的图像创建新产品

// 添加自定义字段到产品表单
function add_custom_product_fields() {
    woocommerce_wp_text_input(
        array(
            'id' => '_custom_product_image',
            'label' => __('Custom Product Image', 'woocommerce'),
            'description' => __('Upload a custom image for this product.', 'woocommerce'),
            'type' => 'file',
            'enqueue_media' => true,
        )
    );
}
add_action('woocommerce_product_options_general_product_data', 'add_custom_product_fields');

// 保存自定义字段值
function save_custom_product_fields($post_id) {
    $custom_image = isset($_FILES['_custom_product_image']) ? $_FILES['_custom_product_image'] : null;
    if ($custom_image && !empty($custom_image['name'])) {
        $upload = wp_upload_bits($custom_image['name'], null, file_get_contents($custom_image['tmp_name']));
        if ($upload['error']) {
            wc_add_notice(__('There was an error uploading your file.', 'woocommerce'), 'error');
        } else {
            update_post_meta($post_id, '_custom_product_image', $upload['url']);
        }
    }
}
add_action('woocommerce_process_product_meta', 'save_custom_product_fields');

// 在产品页面显示自定义图片
function display_custom_product_image() {
    global $product;
    $custom_image = get_post_meta($product->get_id(), '_custom_product_image', true);
    if ($custom_image) {
        echo '<img src="' . esc_url($custom_image) . '" alt="Custom Product Image">';
    }
}
add_action('woocommerce_single_product_summary', 'display_custom_product_image', 25);