131 lines
3.9 KiB
PHP
131 lines
3.9 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: HIAPAD
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* Date: 2018/9/25
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* Time: 10:48
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*/
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namespace app\common\service;
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use think\Exception;
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use think\facade\Config;
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use wxpayNew\lib\WxPayApi;
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use wxpayNew\WxPayConfig;
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class WxPayService
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{
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private $wxPayConfig;//配置对象
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private $unifiedOrderObj;//统一下单输入对象
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private $config;
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public function __construct()
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{
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$this->config = Config::pull('wxpay');
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$this->wxPayConfig = new WxPayConfig($this->config);
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}
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//统一下单
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public function setWxpayOrderData($data)
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{
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$this->unifiedOrderObj = new \WxPayUnifiedOrder();
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$this->unifiedOrderObj->SetBody($data['body']);
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$this->unifiedOrderObj->SetAttach($data['attach'] ?? 'test');//设置附加数据，在查询API和支付通知中原样返回，该字段主要用于商户携带订单的自定义数据
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$this->unifiedOrderObj->SetOut_trade_no($data['out_trade_no']);
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$this->unifiedOrderObj->SetTotal_fee($data['total_fee']);
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$this->unifiedOrderObj->SetTime_start(date("YmdHis"));
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$this->unifiedOrderObj->SetTime_expire(date("YmdHis", time() + $data['time_expire']));
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$this->unifiedOrderObj->SetNotify_url($this->config['NOTIFYURL']);
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$this->unifiedOrderObj->SetTrade_type($data['trade_type']);
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}
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//统一下单
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public function unifiedOrder()
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{
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$res = WxPayApi::unifiedOrder($this->wxPayConfig, $this->unifiedOrderObj);
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if ($res['return_code'] == "SUCCESS" && $res['result_code'] == "SUCCESS") {
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//根据微信支付返回的结果进行二次签名
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//二次签名剩余参数的补充
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$result = array(
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"appid" => $this->config['WXAPPID'],
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"partnerid" => $this->config['WXMCHID'],
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"prepayid" => $res['prepay_id'],
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"noncestr" => strtoupper(md5(uniqid(rand(10000, 99999)))),
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"package" => "Sign=WXPay",
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"timestamp" => time() . ""
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);
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$sign = self::getSign($result, $this->config['WXKEY'], $this->config['SIGNTYPE']);
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$result['sign'] = $sign;
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return $result;
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} else {
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throw new Exception('支付请求出现异常');
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}
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}
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//二次签名
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private static function getSign($arr, $appkey, $signType = 'md5')
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{
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ksort($arr);
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$strInfo = '';
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foreach ($arr as $key => $val) {
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if ($val === '') {
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continue;
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}
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if ($strInfo) {
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$strInfo .= "&" . $key . "=" . $val;
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} else {
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$strInfo = $key . "=" . $val;
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}
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}
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$strInfo = trim($strInfo, "&");
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if ($signType == 'md5') {
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return strtoupper(md5($strInfo . '&key=' . $appkey));
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} elseif ($signType == 'sha1') {
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return sha1($strInfo . '&key=' . $appkey);
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} elseif ($signType == "HMAC-SHA256") {
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return hash_hmac("sha256", $strInfo . '&key=' . $appkey, $appkey);
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}
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}
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/**
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* @param $transaction_id 微信订单号
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* @param $total_fee 订单总金额
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* @param $refund_fee 退款金额，不超过订单总金额
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* @return \wxpayNew\lib\成功时返回，其他抛异常
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* @throws Exception
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* @throws \wxpayNew\lib\WxPayException
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*/
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public function refund($transaction_id,$total_fee,$refund_fee)
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{
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try {
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$wxPayFound = new \WxPayRefund();
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$wxPayFound->SetTransaction_id($transaction_id);
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$wxPayFound->SetTotal_fee($total_fee);
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$wxPayFound->SetRefund_fee($refund_fee);
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$wxPayFound->SetOut_refund_no("sdkphp" . date("YmdHis"));
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$wxPayFound->SetOp_user_id($this->wxPayConfig->GetMerchantId());
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$res=WxPayApi::refund($this->wxPayConfig,$wxPayFound);
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//返回结果处理
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if(isset($res['return_code'])){
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if($res['return_code']=='FAIL'){
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throw new Exception("退款申请失败,原因：".$res['return_msg']);
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}
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if($res['return_code']=='SUCCESS'){
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if($res['result_code']=='FAIL'){
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throw new Exception("退款申请失败,原因：".$res['err_code_des']);
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}
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if($res['result_code']=='SUCCESS'){
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return $res;//申请成功
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}
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}
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}
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throw new Exception('退款申请失败,原因：未知');
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}catch (Exception $e) {
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throw new Exception( $e->getMessage());
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}
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}
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} |