'; woocommerce_wp_text_input(array( 'id' => '_czl_name_en', 'label' => __('英文品名', 'woo-czl-express'), 'description' => __('用于国际物流申报', 'woo-czl-express'), 'desc_tip' => true, )); woocommerce_wp_text_input(array( 'id' => '_czl_hs_code', 'label' => __('HS编码', 'woo-czl-express'), 'description' => __('海关商品编码', 'woo-czl-express'), 'desc_tip' => true, )); echo ''; } /** * 保存自定义字段 */ public function save_custom_fields($post_id) { $name_en = isset($_POST['_czl_name_en']) ? sanitize_text_field($_POST['_czl_name_en']) : ''; $hs_code = isset($_POST['_czl_hs_code']) ? sanitize_text_field($_POST['_czl_hs_code']) : ''; update_post_meta($post_id, '_czl_name_en', $name_en); update_post_meta($post_id, '_czl_hs_code', $hs_code); } }