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php 微信支付宝扫码支付逻辑代码

支付宝扫码支付逻辑代码

<?php
    header('Content-type:text/html; Charset=utf-8');
    $appid = ''; //https://open.alipay.com 账户中心->密钥管理->开放平台密钥,填写添加了电脑网站支付的应用的APPID
    $notifyUrl = 'http://www.xxx.com/alipay/notify.php';   //付款成功后的异步回调地址
    $outTradeNo = uniqid();   //你自己的商品订单号
    $payAmount = 0.01;     //付款金额,单位:元
    $orderName = '支付测试';  //订单标题
    $signType = 'RSA2';    //签名算法类型,支持RSA2和RSA,推荐使用RSA2
    //商户私钥,填写对应签名算法类型的私钥,如何生成密钥参考:https://docs.open.alipay.com/291/105971和https://docs.open.alipay.com/200/105310
    $saPrivateKey='';
    $aliPay = new AlipayService($appid,$notifyUrl,$notifyUrl,$saPrivateKey);
    $result = $aliPay->doPay($payAmount,$outTradeNo,$orderName,$notifyUrl,$notifyUrl);
    $result = $result['alipay_trade_precreate_response'];
    if($result['code'] && $result['code']=='10000')
    {
        //生成二维码
        return json(['code'=>200,'msg'=>'seccess','data'=>$result['qr_code']]);
    }
    else
    {
        return json(['code'=>500,'msg'=>'error','data'=>'']);
    }
    class AlipayService
    {
        protected $appId;
        protected $returnUrl;
        protected $notifyUrl;
        //私钥文件路径
        protected $rsaPrivateKeyFilePath;
        //私钥值
        protected $rsaPrivateKey;
        public function __construct($appid, $returnUrl, $notifyUrl,$saPrivateKey)
        {
            $this->appId = $appid;
            $this->returnUrl = $returnUrl;
            $this->notifyUrl = $notifyUrl;
            $this->charset = 'utf8';
            $this->rsaPrivateKey=$saPrivateKey;
        }
        /**
         * 发起订单
         * @param float $totalFee 收款总费用 单位元
         * @param string $outTradeNo 唯一的订单号
         * @param string $orderName 订单名称
         * @param string $notifyUrl 支付结果通知url 不要有问号
         * @param string $timestamp 订单发起时间
         * @return array
         */
        public function doPay($totalFee, $outTradeNo, $orderName, $returnUrl,$notifyUrl)
        {
            //请求参数
            $requestConfigs = array(
            'out_trade_no'=>$outTradeNo,
            'total_amount'=>$totalFee, //单位 元
            'subject'=>$orderName, //订单标题
            );
            $commonConfigs = array(
            //公共参数
            'app_id' => $this->appId,
            'method' => 'alipay.trade.precreate',       //接口名称
            'format' => 'JSON',
            'charset'=>$this->charset,
            'sign_type'=>'RSA2',
            'timestamp'=>date('Y-m-d H:i:s'),
            'version'=>'1.0',
            'notify_url' => $notifyUrl,
            'biz_content'=>json_encode($requestConfigs),
            );
            $commonConfigs["sign"] = $this->generateSign($commonConfigs, $commonConfigs['sign_type']);
            $result = $this->curlPost('https://openapi.alipay.com/gateway.do',$commonConfigs);
            return json_decode($result,true);
        }
        public function generateSign($params, $signType = "RSA") {
            return $this->sign($this->getSignContent($params), $signType);
        }
        protected function sign($data, $signType = "RSA") {
            $priKey=$this->rsaPrivateKey;
            $res = "-----BEGIN RSA PRIVATE KEY-----\n" .
            wordwrap($priKey, 64, "\n", true) .
            "\n-----END RSA PRIVATE KEY-----";
            ($res) or die('您使用的私钥格式错误,请检查RSA私钥配置');
            if ("RSA2" == $signType) {
            openssl_sign($data, $sign, $res, version_compare(PHP_VERSION,'5.4.0', '<') ? SHA256 : OPENSSL_ALGO_SHA256); //OPENSSL_ALGO_SHA256是php5.4.8以上版本才支持
            } else {
            openssl_sign($data, $sign, $res);
            }
            $sign = base64_encode($sign);
            return $sign;
        }
        /**
         * 校验$value是否非空
         * if not set ,return true;
         *  if is null , return true;
         **/
        protected function checkEmpty($value) {
            if (!isset($value))
            return true;
            if ($value === null)
            return true;
            if (trim($value) === "")
            return true;
            return false;
        }
        public function getSignContent($params) {
            ksort($params);
            $stringToBeSigned = "";
            $i = 0;
            foreach ($params as $k => $v) {
            if (false === $this->checkEmpty($v) && "@" != substr($v, 0, 1)) {
                // 转换成目标字符集
                $v = $this->characet($v, $this->charset);
                if ($i == 0) {
                $stringToBeSigned .= "$k" . "=" . "$v";
                } else {
                $stringToBeSigned .= "&" . "$k" . "=" . "$v";
                }
                $i++;
            }
            }
            unset ($k, $v);
            return $stringToBeSigned;
        }
        /**
         * 转换字符集编码
         * @param $data
         * @param $targetCharset
         * @return string
         */
        function characet($data, $targetCharset) {
            if (!empty($data)) {
            $fileType = $this->charset;
            if (strcasecmp($fileType, $targetCharset) != 0) {
                $data = mb_convert_encoding($data, $targetCharset, $fileType);
                //$data = iconv($fileType, $targetCharset.'//IGNORE', $data);
            }
            }
            return $data;
        }
        
        public function curlPost($url = '', $postData = '', $options = array())
        {
            if (is_array($postData)) {
            $postData = http_build_query($postData);
            }
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
            curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数
            if (!empty($options)) {
            curl_setopt_array($ch, $options);
            }
            //https请求 不验证证书和host
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
            $data = curl_exec($ch);
            curl_close($ch);
            return $data;
        }
    }

微信扫码支付逻辑代码

<?php
    header('Content-type:text/html; Charset=utf-8');
    $mchid = '';     //微信支付商户号 PartnerID 通过微信支付商户资料审核后邮件发送
    $appid = ''; //公众号APPID 通过微信支付商户资料审核后邮件发送
    $apiKey = '';  //https://pay.weixin.qq.com 帐户设置-安全设置-API安全-API密钥-设置API密钥
    $wxPay = new WxpayService($mchid,$appid,$apiKey);
    $outTradeNo = uniqid();   //你自己的商品订单号
    $payAmount = 0.01;     //付款金额,单位:元
    $orderName = '支付保证金';  //订单标题
    $notifyUrl = 'http://x.xxx.com/wx/';   //付款成功后的回调地址(不要有问号)
    $payTime = time();   //付款时间
    $arr = $wxPay->createJsBizPackage($payAmount,$outTradeNo,$orderName,$notifyUrl,$payTime);
    if($arr['code_url'] && $arr['code_url']!='')
    {
        //生成二维码
        return json(['code'=>200,'msg'=>'seccess','data'=>$arr['code_url']]);
    }
    else
    {
        return json(['code'=>500,'msg'=>'error','data'=>'']);
    }
    class WxpayService
    {
        protected $mchid;
        protected $appid;
        protected $apiKey;
        
        public function __construct($mchid, $appid, $key)
        {
            $this->mchid = $mchid;
            $this->appid = $appid;
            $this->apiKey = $key;
        }
        
        /**
         * 发起订单
         * @param float $totalFee 收款总费用 单位元
         * @param string $outTradeNo 唯一的订单号
         * @param string $orderName 订单名称
         * @param string $notifyUrl 支付结果通知url 不要有问号
         * @param string $timestamp 订单发起时间
         * @return array
         */
        public function createJsBizPackage($totalFee, $outTradeNo, $orderName, $notifyUrl, $timestamp)
        {
            $config = array(
            'mch_id' => $this->mchid,
            'appid' => $this->appid,
            'key' => $this->apiKey,
            );
            $orderName = mb_substr(strip_tags($orderName), 0, 10, 'UTF-8');
            // $orderName =  iconv("GBK","UTF-8",$orderName);
            $unified = array(
            'appid' => $config['appid'],
            'attach' => 'pay',       //商家数据包,原样返回,如果填写中文,请注意转换为utf-8
            'body' => $orderName,
            'mch_id' => $config['mch_id'],
            'nonce_str' => self::createNonceStr(),
            'notify_url' => $notifyUrl,
            'out_trade_no' => $outTradeNo,
            'spbill_create_ip' => '127.0.0.1',
            'total_fee' => intval($totalFee * 100),    //单位 转为分
            'trade_type' => 'NATIVE',
            );
            $unified['sign'] = self::getSign($unified, $config['key']);
            $responseXml = self::curlPost('https://api.mch.weixin.qq.com/pay/unifiedorder', self::arrayToXml($unified));
            $unifiedOrder = simplexml_load_string($responseXml, 'SimpleXMLElement', LIBXML_NOCDATA);
            if ($unifiedOrder === false) {
            die('parse xml error');
            }
            if ($unifiedOrder->return_code != 'SUCCESS') {
            die($unifiedOrder->return_msg);
            }
            if ($unifiedOrder->result_code != 'SUCCESS') {
            die($unifiedOrder->err_code);
            }
            $codeUrl = (array)($unifiedOrder->code_url);
            if(!$codeUrl[0]) exit('get code_url error');
            $arr = array(
            "appId" => $config['appid'],
            "timeStamp" => $timestamp,
            "nonceStr" => self::createNonceStr(),
            "package" => "prepay_id=" . $unifiedOrder->prepay_id,
            "signType" => 'MD5',
            "code_url" => $codeUrl[0],
            );
            $arr['paySign'] = self::getSign($arr, $config['key']);
            return $arr;
        }
        
        public function notify()
        {
            $config = array(
            'mch_id' => $this->mchid,
            'appid' => $this->appid,
            'key' => $this->apiKey,
            );
            $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
        
            $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
            if ($postObj === false) {
            die('parse xml error');
            }
            if ($postObj->return_code != 'SUCCESS') {
            die($postObj->return_msg);
            }
            if ($postObj->result_code != 'SUCCESS') {
            die($postObj->err_code);
            }
            $arr = (array)$postObj;
            unset($arr['sign']);
            if (self::getSign($arr, $config['key']) == $postObj->sign) {
            echo '<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';
            return $postObj;
            }
        }
        
        /**
         * curl get
         *
         * @param string $url
         * @param array $options
         * @return mixed
         */
        public static function curlGet($url = '', $options = array())
        {
            $ch = curl_init($url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_TIMEOUT, 30);
            if (!empty($options)) {
            curl_setopt_array($ch, $options);
            }
            //https请求 不验证证书和host
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
            $data = curl_exec($ch);
            curl_close($ch);
            return $data;
        }
        
        public static function curlPost($url = '', $postData = '', $options = array())
        {
            if (is_array($postData)) {
            $postData = http_build_query($postData);
            }
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
            curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数
            if (!empty($options)) {
            curl_setopt_array($ch, $options);
            }
            //https请求 不验证证书和host
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
            $data = curl_exec($ch);
            curl_close($ch);
            return $data;
        }
        
        public static function createNonceStr($length = 16)
        {
            $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
            $str = '';
            for ($i = 0; $i < $length; $i++) {
            $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
            }
            return $str;
        }
        
        public static function arrayToXml($arr)
        {
            $xml = "<xml>";
            foreach ($arr as $key => $val) {
            if (is_numeric($val)) {
                $xml .= "<" . $key . ">" . $val . "</" . $key . ">";
            } else
                $xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
            }
            $xml .= "</xml>";
            return $xml;
        }
        /**
         * 获取签名
         */
        public static function getSign($params, $key)
        {
            ksort($params, SORT_STRING);
            $unSignParaString = self::formatQueryParaMap($params, false);
            $signStr = strtoupper(md5($unSignParaString . "&key=" . $key));
            return $signStr;
        }
        
        protected static function formatQueryParaMap($paraMap, $urlEncode = false)
        {
            $buff = "";
            ksort($paraMap);
            foreach ($paraMap as $k => $v) {
            if (null != $v && "null" != $v) {
                if ($urlEncode) {
                $v = urlencode($v);
                }
                $buff .= $k . "=" . $v . "&";
            }
            }
            $reqPar = '';
            if (strlen($buff) > 0) {
            $reqPar = substr($buff, 0, strlen($buff) - 1);
            }
            return $reqPar;
        }
    }

 

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posted on 2021-12-30 11:38  程序员qiao  阅读(219)  评论(0编辑  收藏  举报

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