8ebd0aa4af
Initial commit of the Woo Alipay - Huabei Installment Extension for WooCommerce. Adds a standalone Alipay Huabei installment payment gateway with admin settings, frontend styles and scripts, WooCommerce Blocks support, and integration hooks. Includes gateway logic, block registration, and plugin bootstrap.
671 lines
25 KiB
PHP
671 lines
25 KiB
PHP
<?php
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if (!defined('ABSPATH')) {
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exit; // Exit if accessed directly
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}
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/**
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* 花呗分期支付网关
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*
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* 支持花呗分期付款功能，用户可选择3期、6期、12期分期
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*/
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class WC_Alipay_Installment extends WC_Payment_Gateway
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{
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const GATEWAY_ID = 'alipay_installment';
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protected static $log_enabled = false;
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protected static $log = false;
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protected $current_currency;
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protected $exchange_rate;
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protected $order_prefix;
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protected $notify_url;
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protected $charset;
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public function __construct()
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{
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$this->id = self::GATEWAY_ID;
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$this->method_title = __('支付宝花呗分期', 'woo-alipay');
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$this->method_description = __('支持花呗分期付款，用户可选择3期、6期、12期分期。需要在支付宝商户后台开通花呗分期功能。', 'woo-alipay');
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$this->icon = WOO_ALIPAY_PLUGIN_URL . 'assets/images/alipay-huabei-icon.svg';
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$this->has_fields = true; // 在结账页面显示分期选择
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$this->charset = strtolower(get_bloginfo('charset'));
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if (!in_array($this->charset, array('gbk', 'utf-8'), true)) {
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$this->charset = 'utf-8';
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}
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// 加载设置
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$this->init_form_fields();
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$this->init_settings();
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// 设置属性
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$this->title = $this->get_option('title', __('支付宝花呗分期', 'woo-alipay'));
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$this->description = $this->get_option('description');
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$this->enabled = $this->get_option('enabled');
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$this->current_currency = get_option('woocommerce_currency');
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$this->exchange_rate = $this->get_option('exchange_rate');
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$this->order_prefix = $this->get_option('order_prefix', 'HBFQ');
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$this->notify_url = WC()->api_request_url('WC_Alipay_Installment');
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self::$log_enabled = ('yes' === $this->get_option('debug', 'no'));
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// 支持的功能
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$this->supports = array(
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'products',
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'refunds',
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);
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// 添加钩子
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add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options'));
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add_action('woocommerce_receipt_' . $this->id, array($this, 'receipt_page'));
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add_action('woocommerce_api_wc_alipay_installment', array($this, 'check_alipay_response'));
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add_action('wp_enqueue_scripts', array($this, 'payment_scripts'));
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}
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public function admin_options()
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{
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echo '<h3>' . esc_html__('支付宝花呗分期', 'woo-alipay') . '</h3>';
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echo '<p>' . esc_html__('为支付宝花呗分期提供优化的结账体验。', 'woo-alipay') . '</p>';
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echo '<table class="form-table">';
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$this->generate_settings_html();
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echo '</table>';
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}
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// Provider state methods for WooCommerce Payments list badges
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public function is_account_connected() {
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$core = get_option( 'woocommerce_alipay_settings', array() );
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return (bool) ( ! empty( $core['appid'] ) && ! empty( $core['private_key'] ) && ! empty( $core['public_key'] ) );
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}
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public function needs_setup() {
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return ! $this->is_account_connected();
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}
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public function is_test_mode() {
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$core = get_option( 'woocommerce_alipay_settings', array() );
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return ! empty( $core['sandbox'] ) && 'yes' === $core['sandbox'];
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}
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/**
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* 初始化表单字段
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*/
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public function init_form_fields()
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{
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$this->form_fields = array(
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'enabled' => array(
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'title' => __('启用/禁用', 'woo-alipay'),
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'type' => 'checkbox',
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'label' => __('启用支付宝花呗分期', 'woo-alipay'),
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'default' => 'no',
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),
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'title' => array(
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'title' => __('标题', 'woo-alipay'),
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'type' => 'text',
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'description' => __('用户在结账时看到的支付方式名称', 'woo-alipay'),
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'default' => __('支付宝花呗分期', 'woo-alipay'),
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'desc_tip' => true,
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),
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'description' => array(
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'title' => __('描述', 'woo-alipay'),
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'type' => 'textarea',
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'description' => __('支付方式描述，显示在结账页面', 'woo-alipay'),
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'default' => __('使用支付宝花呗分期付款，支持3期、6期、12期免息或低息分期。', 'woo-alipay'),
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'desc_tip' => true,
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),
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'alipay_config' => array(
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'title' => __('支付宝配置', 'woo-alipay'),
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'type' => 'title',
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'description' => __('使用主支付宝网关的配置（App ID、公钥、私钥等）', 'woo-alipay'),
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),
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'installment_settings' => array(
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'title' => __('分期设置', 'woo-alipay'),
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'type' => 'title',
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),
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'show_interest_free_badge' => array(
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'title' => __('显示“免息”标识', 'woo-alipay'),
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'type' => 'checkbox',
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'label' => __('在分期选项后显示“免息”标识（当商家承担手续费时）', 'woo-alipay'),
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'default' => 'yes',
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'desc_tip' => true,
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),
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'fee_bearer' => array(
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'title' => __('分期手续费承担方', 'woo-alipay'),
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'type' => 'select',
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'description' => __('选择分期手续费由谁承担。用户承担将会在支付宝端向用户收取手续费；商家承担则由商家承担。', 'woo-alipay'),
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'default' => 'user',
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'options' => array(
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'user' => __('用户承担', 'woo-alipay'),
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'seller' => __('商家承担', 'woo-alipay'),
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),
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'desc_tip' => true,
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),
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'min_amount_6' => array(
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'title' => __('6期最小金额', 'woo-alipay'),
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'type' => 'number',
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'description' => __('达到此金额才显示6期选项（留空或0表示不限制）', 'woo-alipay'),
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'default' => '',
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'desc_tip' => true,
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'custom_attributes' => array(
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'min' => '0',
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'step' => '1',
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),
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),
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'min_amount_12' => array(
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'title' => __('12期最小金额', 'woo-alipay'),
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'type' => 'number',
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'description' => __('达到此金额才显示12期选项（留空或0表示不限制）', 'woo-alipay'),
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'default' => '',
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'desc_tip' => true,
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'custom_attributes' => array(
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'min' => '0',
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'step' => '1',
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),
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),
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'min_amount' => array(
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'title' => __('最小分期金额', 'woo-alipay'),
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'type' => 'number',
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'description' => __('订单金额低于此值时不显示分期选项（人民币）', 'woo-alipay'),
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'default' => '100',
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'desc_tip' => true,
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'custom_attributes' => array(
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'min' => '1',
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'step' => '1',
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),
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),
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'available_periods' => array(
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'title' => __('可用分期期数', 'woo-alipay'),
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'type' => 'multiselect',
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'description' => __('选择允许的分期期数', 'woo-alipay'),
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'default' => array('3', '6', '12'),
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'options' => array(
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'3' => __('3期', 'woo-alipay'),
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'6' => __('6期', 'woo-alipay'),
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'12' => __('12期', 'woo-alipay'),
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),
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'desc_tip' => true,
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'class' => 'wc-enhanced-select',
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),
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'default_period' => array(
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'title' => __('默认分期期数', 'woo-alipay'),
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'type' => 'select',
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'description' => __('用户未选择时的默认分期期数', 'woo-alipay'),
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'default' => '3',
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'options' => array(
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'3' => __('3期', 'woo-alipay'),
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'6' => __('6期', 'woo-alipay'),
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'12' => __('12期', 'woo-alipay'),
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),
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'desc_tip' => true,
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),
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'blocks_insufficient_behavior' => array(
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'title' => __('结账区块金额不足行为', 'woo-alipay'),
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'type' => 'select',
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'description' => __('当订单金额低于最小分期金额时，在结账区块中隐藏支付方式或显示提示。', 'woo-alipay'),
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'default' => 'hide',
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'options' => array(
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'hide' => __('隐藏（推荐）', 'woo-alipay'),
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'show' => __('显示提示', 'woo-alipay'),
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),
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'desc_tip' => true,
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),
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'order_prefix' => array(
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'title' => __('订单号前缀', 'woo-alipay'),
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'type' => 'text',
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'description' => __('花呗分期订单号的前缀，便于区分', 'woo-alipay'),
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'default' => 'HBFQ',
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'desc_tip' => true,
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),
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'debug' => array(
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'title' => __('调试日志', 'woo-alipay'),
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'type' => 'checkbox',
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'label' => __('启用日志记录', 'woo-alipay'),
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'default' => 'no',
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'description' => sprintf(
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__('记录花呗分期相关日志到 %s', 'woo-alipay'),
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'<code>' . WC_Log_Handler_File::get_log_file_path($this->id) . '</code>'
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),
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),
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);
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// 如果不是人民币，添加汇率设置
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if (!in_array($this->current_currency, array('CNY', 'RMB'), true)) {
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$this->form_fields['exchange_rate'] = array(
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'title' => __('汇率', 'woo-alipay'),
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'type' => 'number',
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'description' => sprintf(
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__('设置 %s 与人民币的汇率', 'woo-alipay'),
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$this->current_currency
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),
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'default' => '7.0',
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'desc_tip' => true,
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'custom_attributes' => array(
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'step' => '0.01',
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'min' => '0.01',
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),
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);
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}
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}
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/**
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* 在结账页面显示分期选择
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*/
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public function payment_fields()
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{
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// 显示描述
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if ($this->description) {
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echo wpautop(wptexturize($this->description));
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}
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// 获取购物车总额
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$cart_total = WC()->cart->get_total('');
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$min_amount = floatval($this->get_option('min_amount', 100));
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$available_periods = $this->get_option('available_periods', array('3', '6', '12'));
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$default_period = $this->get_option('default_period', '3');
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// 转换为人民币
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$rmb_total = $this->convert_to_rmb($cart_total);
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if ($rmb_total < $min_amount) {
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echo '<p class="alipay-installment-notice">' .
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sprintf(__('订单金额需满 ¥%s 才能使用花呗分期', 'woo-alipay'), $min_amount) .
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'</p>';
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return;
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}
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// 动态过滤可用分期期数（根据阈值）
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$filtered_periods = array();
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foreach ($available_periods as $p) {
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$p = (string) $p;
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if ($p === '6') {
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$min6 = floatval($this->get_option('min_amount_6', 0));
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if ($min6 > 0 && $rmb_total < $min6) { continue; }
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}
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if ($p === '12') {
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$min12 = floatval($this->get_option('min_amount_12', 0));
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if ($min12 > 0 && $rmb_total < $min12) { continue; }
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}
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$filtered_periods[] = $p;
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}
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?>
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<div class="alipay-installment-selector">
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<p><strong><?php _e('选择分期期数：', 'woo-alipay'); ?></strong></p>
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<ul class="installment-periods">
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<?php foreach ($filtered_periods as $period) : ?>
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<li>
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<label>
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<input type="radio"
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name="alipay_installment_period"
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value="<?php echo esc_attr($period); ?>"
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<?php checked($period, $default_period); ?> />
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<span class="period-label">
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<?php echo sprintf(__('%s期', 'woo-alipay'), $period); ?>
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</span>
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<span class="period-amount">
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<?php
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$monthly = $rmb_total / intval($period);
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echo sprintf(__('每期 ¥%s', 'woo-alipay'), number_format($monthly, 2));
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?>
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</span>
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<?php if ( $this->get_option('fee_bearer', 'user') === 'seller' && 'yes' === $this->get_option('show_interest_free_badge', 'yes') ) : ?>
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<span class="alipay-badge alipay-badge--free">
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<?php _e('免息', 'woo-alipay'); ?>
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</span>
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<?php endif; ?>
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</label>
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</li>
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<?php endforeach; ?>
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</ul>
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<p class="alipay-installment-fee-note">
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<?php
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$fee_bearer = $this->get_option('fee_bearer', 'user');
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echo $fee_bearer === 'seller'
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? __('免息分期（手续费由商家承担）', 'woo-alipay')
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: __('可能产生分期手续费，以支付宝支付页面为准', 'woo-alipay');
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?>
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</p>
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</div>
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<?php
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}
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/**
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* 加载前端脚本
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*/
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public function payment_scripts()
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{
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if (!is_checkout()) {
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return;
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}
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$style_url = apply_filters( 'woo_alipay_installment_style_url', WOO_ALIPAY_PLUGIN_URL . 'css/alipay-installment.css' );
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$script_url = apply_filters( 'woo_alipay_installment_script_url', WOO_ALIPAY_PLUGIN_URL . 'js/alipay-installment.js' );
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wp_enqueue_style(
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'alipay-installment',
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$style_url,
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array(),
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WOO_ALIPAY_VERSION
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);
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wp_enqueue_script(
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'alipay-installment',
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$script_url,
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array('jquery'),
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WOO_ALIPAY_VERSION,
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true
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);
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}
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/**
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* 处理支付
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*/
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public function process_payment($order_id)
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{
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$order = wc_get_order($order_id);
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// 获取分期期数 - 支持传统表单和 Blocks
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$installment_period = $this->get_option('default_period', '3');
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// 从传统表单获取
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if (isset($_POST['alipay_installment_period'])) {
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$installment_period = sanitize_text_field($_POST['alipay_installment_period']);
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}
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// 从 Blocks 获取
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elseif (isset($_POST['payment_data'])) {
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$payment_data = json_decode(wp_unslash($_POST['payment_data']), true);
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if (isset($payment_data['alipay_installment_period'])) {
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$installment_period = sanitize_text_field($payment_data['alipay_installment_period']);
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}
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}
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// 保存分期期数到订单
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$order->update_meta_data('_alipay_installment_period', $installment_period);
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$order->save();
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// 标记订单为待支付
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$order->update_status('pending', __('等待花呗分期支付', 'woo-alipay'));
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// 清空购物车
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WC()->cart->empty_cart();
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// 跳转到支付页面
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return array(
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'result' => 'success',
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'redirect' => $order->get_checkout_payment_url(true),
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);
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}
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/**
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* 收银页面 - 生成支付表单
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*/
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public function receipt_page($order_id)
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{
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$order = wc_get_order($order_id);
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if (!$order || $order->is_paid()) {
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return;
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}
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// 加载辅助类
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require_once WOO_ALIPAY_PLUGIN_PATH . 'inc/class-alipay-sdk-helper.php';
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// 获取主支付宝网关配置
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$main_gateway = new WC_Alipay(false);
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$config = Alipay_SDK_Helper::get_alipay_config(array(
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'appid' => $main_gateway->get_option('appid'),
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'private_key' => $main_gateway->get_option('private_key'),
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'public_key' => $main_gateway->get_option('public_key'),
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'sandbox' => $main_gateway->get_option('sandbox'),
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));
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// 创建支付宝服务
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$aop = Alipay_SDK_Helper::create_alipay_service($config);
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if (!$aop) {
|
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$order->update_status('failed', __('创建支付宝服务失败', 'woo-alipay'));
|
||
wc_add_notice(__('支付初始化失败，请稍后重试', 'woo-alipay'), 'error');
|
||
return;
|
||
}
|
||
|
||
// 获取订单信息
|
||
$total = $this->convert_to_rmb($order->get_total());
|
||
$installment_period = $order->get_meta('_alipay_installment_period');
|
||
$out_trade_no = Alipay_SDK_Helper::generate_out_trade_no($order_id, $this->order_prefix);
|
||
|
||
// 保存商户订单号
|
||
$order->update_meta_data('_alipay_out_trade_no', $out_trade_no);
|
||
$order->save();
|
||
|
||
try {
|
||
require_once WOO_ALIPAY_PLUGIN_PATH . 'lib/alipay/aop/AopClient.php';
|
||
require_once WOO_ALIPAY_PLUGIN_PATH . 'lib/alipay/aop/request/AlipayTradePagePayRequest.php';
|
||
|
||
$request = new AlipayTradePagePayRequest();
|
||
|
||
// 设置业务参数
|
||
$biz_content = array(
|
||
'out_trade_no' => $out_trade_no,
|
||
'total_amount' => Alipay_SDK_Helper::format_amount($total),
|
||
'subject' => $this->get_order_title($order),
|
||
'body' => $this->get_order_description($order),
|
||
'product_code' => 'FAST_INSTANT_TRADE_PAY',
|
||
// 花呗分期参数
|
||
'enable_pay_channels' => 'pcreditpayInstallment',
|
||
'extend_params' => array(
|
||
'hb_fq_num' => $installment_period,
|
||
'hb_fq_seller_percent' => ($this->get_option('fee_bearer', 'user') === 'seller' ? '100' : '0'),
|
||
),
|
||
);
|
||
|
||
$request->setBizContent(json_encode($biz_content));
|
||
$request->setReturnUrl($order->get_checkout_order_received_url());
|
||
$request->setNotifyUrl($this->notify_url);
|
||
|
||
// 生成支付表单
|
||
$html = $aop->pageExecute($request, 'POST');
|
||
|
||
self::log('花呗分期支付请求: ' . print_r($biz_content, true));
|
||
|
||
echo $html;
|
||
|
||
} catch (Exception $e) {
|
||
self::log('花呗分期支付异常: ' . $e->getMessage(), 'error');
|
||
$order->update_status('failed', $e->getMessage());
|
||
wc_add_notice(__('支付请求失败，请稍后重试', 'woo-alipay'), 'error');
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 检查支付宝响应
|
||
*/
|
||
public function check_alipay_response()
|
||
{
|
||
// 加载辅助类
|
||
require_once WOO_ALIPAY_PLUGIN_PATH . 'inc/class-alipay-sdk-helper.php';
|
||
|
||
// 获取支付宝公钥
|
||
$main_gateway = new WC_Alipay(false);
|
||
$alipay_public_key = $main_gateway->get_option('public_key');
|
||
|
||
// 验证签名
|
||
if (!Alipay_SDK_Helper::verify_notify($_POST, $alipay_public_key)) {
|
||
self::log('花呗分期通知签名验证失败', 'error');
|
||
echo 'fail';
|
||
exit;
|
||
}
|
||
|
||
$out_trade_no = $_POST['out_trade_no'] ?? '';
|
||
$trade_no = $_POST['trade_no'] ?? '';
|
||
$trade_status = $_POST['trade_status'] ?? '';
|
||
|
||
self::log('花呗分期支付通知: ' . print_r($_POST, true));
|
||
|
||
// 查找订单
|
||
$orders = wc_get_orders(array(
|
||
'meta_key' => '_alipay_out_trade_no',
|
||
'meta_value' => $out_trade_no,
|
||
'limit' => 1,
|
||
));
|
||
|
||
if (empty($orders)) {
|
||
self::log('未找到订单: ' . $out_trade_no, 'error');
|
||
echo 'fail';
|
||
exit;
|
||
}
|
||
|
||
$order = $orders[0];
|
||
|
||
// 处理支付结果
|
||
if ($trade_status === 'TRADE_SUCCESS' || $trade_status === 'TRADE_FINISHED') {
|
||
if (!$order->is_paid()) {
|
||
$order->payment_complete($trade_no);
|
||
$order->add_order_note(
|
||
sprintf(__('花呗分期支付完成 - 交易号: %s', 'woo-alipay'), $trade_no)
|
||
);
|
||
}
|
||
echo 'success';
|
||
} else {
|
||
echo 'fail';
|
||
}
|
||
|
||
exit;
|
||
}
|
||
|
||
/**
|
||
* 处理退款
|
||
*/
|
||
public function process_refund($order_id, $amount = null, $reason = '')
|
||
{
|
||
$order = wc_get_order($order_id);
|
||
|
||
if (!$order) {
|
||
return new WP_Error('error', __('订单不存在', 'woo-alipay'));
|
||
}
|
||
|
||
require_once WOO_ALIPAY_PLUGIN_PATH . 'inc/class-alipay-sdk-helper.php';
|
||
require_once WOO_ALIPAY_PLUGIN_PATH . 'lib/alipay/aop/AopClient.php';
|
||
require_once WOO_ALIPAY_PLUGIN_PATH . 'lib/alipay/aop/request/AlipayTradeRefundRequest.php';
|
||
|
||
$main_gateway = new WC_Alipay(false);
|
||
$config = Alipay_SDK_Helper::get_alipay_config(array(
|
||
'appid' => $main_gateway->get_option('appid'),
|
||
'private_key' => $main_gateway->get_option('private_key'),
|
||
'public_key' => $main_gateway->get_option('public_key'),
|
||
'sandbox' => $main_gateway->get_option('sandbox'),
|
||
));
|
||
|
||
$aop = Alipay_SDK_Helper::create_alipay_service($config);
|
||
if (!$aop) {
|
||
return new WP_Error('sdk_error', __('创建支付宝服务失败', 'woo-alipay'));
|
||
}
|
||
|
||
$out_trade_no = $order->get_meta('_alipay_out_trade_no');
|
||
if (!$out_trade_no) {
|
||
$out_trade_no = Alipay_SDK_Helper::generate_out_trade_no($order_id, $this->order_prefix);
|
||
}
|
||
$refund_amount = $amount ? floatval($amount) : floatval($order->get_total());
|
||
$refund_reason = $reason ? $reason : __('订单退款', 'woo-alipay');
|
||
|
||
try {
|
||
$request = new AlipayTradeRefundRequest();
|
||
$biz_content = array(
|
||
'out_trade_no' => $out_trade_no,
|
||
'refund_amount' => Alipay_SDK_Helper::format_amount($refund_amount),
|
||
'refund_reason' => $refund_reason,
|
||
);
|
||
$request->setBizContent(json_encode($biz_content));
|
||
$response = $aop->execute($request);
|
||
$node = 'alipay_trade_refund_response';
|
||
$result = $response->$node;
|
||
if (isset($result->code) && $result->code === '10000') {
|
||
$order->add_order_note(sprintf(__('支付宝退款成功，金额：¥%s', 'woo-alipay'), number_format($refund_amount, 2)));
|
||
return true;
|
||
}
|
||
return new WP_Error('refund_failed', $result->sub_msg ?? $result->msg ?? __('退款失败', 'woo-alipay'));
|
||
} catch (Exception $e) {
|
||
return new WP_Error('exception', $e->getMessage());
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 检查支付方式是否可用
|
||
*/
|
||
public function is_available()
|
||
{
|
||
$is_available = ('yes' === $this->enabled) ? true : false;
|
||
|
||
if (!$is_available) {
|
||
return false;
|
||
}
|
||
|
||
// 检查主支付宝网关是否配置
|
||
$main_gateway = new WC_Alipay(false);
|
||
if (!$main_gateway->get_option('appid') || !$main_gateway->get_option('private_key')) {
|
||
return false;
|
||
}
|
||
|
||
// 检查最小金额要求
|
||
if (WC()->cart) {
|
||
$cart_total = WC()->cart->get_total('');
|
||
$min_amount = floatval($this->get_option('min_amount', 100));
|
||
$rmb_total = $this->convert_to_rmb($cart_total);
|
||
|
||
if ($rmb_total < $min_amount) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return $is_available;
|
||
}
|
||
|
||
/**
|
||
* 转换为人民币
|
||
*/
|
||
protected function convert_to_rmb($amount)
|
||
{
|
||
return Alipay_SDK_Helper::convert_currency(
|
||
$amount,
|
||
$this->current_currency,
|
||
$this->exchange_rate
|
||
);
|
||
}
|
||
|
||
/**
|
||
* 获取订单标题
|
||
*/
|
||
protected function get_order_title($order)
|
||
{
|
||
$title = get_bloginfo('name') . ' - ' . sprintf(__('订单 #%s', 'woo-alipay'), $order->get_id());
|
||
return mb_substr($title, 0, 256);
|
||
}
|
||
|
||
/**
|
||
* 获取订单描述
|
||
*/
|
||
protected function get_order_description($order)
|
||
{
|
||
$items = array();
|
||
foreach ($order->get_items() as $item) {
|
||
$items[] = $item->get_name();
|
||
}
|
||
return mb_substr(implode(', ', $items), 0, 400);
|
||
}
|
||
|
||
/**
|
||
* 记录日志
|
||
*/
|
||
protected static function log($message, $level = 'info')
|
||
{
|
||
if (self::$log_enabled) {
|
||
if (empty(self::$log)) {
|
||
self::$log = wc_get_logger();
|
||
}
|
||
self::$log->log($level, $message, array('source' => self::GATEWAY_ID));
|
||
}
|
||
}
|
||
}
|
