95 lines
3.7 KiB
PHP
95 lines
3.7 KiB
PHP
<?php
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/**
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* 微信退款接口
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* 由 Pay::payrefund() require 调用
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*
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* 可用变量：$data 流水记录，$config 接口配置，$money 退款金额
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* 须设置：$return = dr_return_data(...)
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*
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* 注意：退款需商户号配置 API 证书（apiclient_cert.pem / apiclient_key.pem）
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*/
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$money = abs(isset($money) ? $money : $data['value']);
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$transaction_id = trim((string)$data['result']); // 支付成功时写入的微信交易号
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$out_trade_no = trim((string)\Phpcmf\Service::C()->member_cache['pay']['prefix'])
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. date('YmdHis', (int)$data['inputtime']) . '00' . $data['id'];
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$out_refund_no = 'RF' . $data['id'] . date('YmdHis');
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$total_fee = (int)round($money * 100);
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$refund_fee = $total_fee;
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if (!$config || empty($config['appid']) || empty($config['mchid']) || empty($config['key'])) {
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$return = dr_return_data(0, dr_lang('微信退款配置不完整'));
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} elseif (!$transaction_id && !$out_trade_no) {
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$return = dr_return_data(0, dr_lang('缺少微信交易号，无法退款'));
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} else {
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// API 证书路径（退款必填），默认放在 weixin 目录下
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$cert = dirname(__FILE__) . '/cert/apiclient_cert.pem';
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$key = dirname(__FILE__) . '/cert/apiclient_key.pem';
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if (!empty($config['sslcert_path'])) {
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$cert = $config['sslcert_path'];
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}
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if (!empty($config['sslkey_path'])) {
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$key = $config['sslkey_path'];
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}
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if (!is_file($cert) || !is_file($key)) {
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$return = dr_return_data(0, dr_lang('微信退款证书未配置（请放置 apiclient_cert.pem / apiclient_key.pem）'));
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} else {
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if (!defined('APPID')) {
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define('APPID', $config['appid']);
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}
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if (!defined('APPSECRET')) {
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define('APPSECRET', isset($config['appsecret']) ? $config['appsecret'] : '');
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}
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if (!defined('MCHID')) {
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define('MCHID', $config['mchid']);
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}
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if (!defined('KEY')) {
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define('KEY', $config['key']);
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}
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if (!defined('NOTIFY_URL')) {
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define('NOTIFY_URL', ROOT_URL . 'api/pay/' . $data['type'] . '/notify_url.php');
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}
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if (!defined('REPORT_LEVENL')) {
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define('REPORT_LEVENL', 0);
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}
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if (!defined('SSLCERT_PATH')) {
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define('SSLCERT_PATH', $cert);
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}
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if (!defined('SSLKEY_PATH')) {
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define('SSLKEY_PATH', $key);
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}
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require_once dirname(__FILE__) . '/WxPay.Data.php';
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require_once dirname(__FILE__) . '/WxPay.Api.php';
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$input = new WxPayRefund();
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if ($transaction_id) {
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$input->SetTransaction_id($transaction_id);
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} else {
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$input->SetOut_trade_no($out_trade_no);
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}
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$input->SetTotal_fee($total_fee);
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$input->SetRefund_fee($refund_fee);
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$input->SetOut_refund_no($out_refund_no);
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$input->SetOp_user_id(MCHID);
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$result = WxPayApi::refund($input);
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if (isset($result['code']) && (int)$result['code'] === 0) {
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$return = $result;
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} elseif (isset($result['return_code']) && $result['return_code'] == 'SUCCESS'
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&& isset($result['result_code']) && $result['result_code'] == 'SUCCESS') {
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$return = dr_return_data(1, dr_lang('退款成功'), $result);
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} else {
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$msg = isset($result['err_code_des']) && $result['err_code_des']
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? $result['err_code_des']
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: (isset($result['return_msg']) ? $result['return_msg'] : dr_lang('微信退款失败'));
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if (isset($result['msg']) && $result['msg']) {
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$msg = $result['msg'];
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}
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$return = dr_return_data(0, $msg, is_array($result) ? $result : []);
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}
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}
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}
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