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支付宝Jsapi支付源码 <?php error_reporting(0); header('Content-type:text/html; Charset=utf-8'); /*** 请填写以下配置信息 ***/ $appid = 'xxxxxx'; //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'; //付款成功后的异步回调地址 $outTradeNo = uniqid(); //你自己的商品订单号，不能重复 $payAmount = 0.1; //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 $rsaPrivateKey='xxxx'; /*** 配置结束 ***/ if(!isInAlipayClient()){ echo '<h3>请使用支付宝扫码打开该网页：</h3><img src="https://www.kuaizhan.com/common/encode-png?large=true&data='.getCurrentUrl().'" />'; exit(); } $aliPay = new AlipayService(); $aliPay->setAppid($appid); $aliPay->setScope('auth_base'); $aliPay->setRsaPrivateKey($rsaPrivateKey); $result = $aliPay->getToken(); $user = array(); if($baseInfo = $result['alipay_system_oauth_token_response']){ $userid = $baseInfo['user_id']; //支付用户的支付宝id }else{ echo '<h1>'.$result['error_response']['code'].':'.$result['error_response']['sub_msg'].'</h1>';exit(); } $aliPay->setNotifyUrl($notifyUrl); $aliPay->setTotalFee($payAmount); $aliPay->setOutTradeNo($outTradeNo); $aliPay->setOrderName($orderName); $aliPay->setBuyerId($userid); $orderStr = $aliPay->createOrder(); $tradeNo = $orderStr['alipay_trade_create_response']['trade_no']; if(!$tradeNo){ exit('获取订单号失败'); } ?> <!DOCTYPE html> <html lang="en"> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta charset="UTF-8"> <title>支付宝jsapi支付</title> <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.bootcss.com/jquery/2.1.0/jquery.min.js"></script> <script src="https://gw.alipayobjects.com/as/g/h5-lib/alipayjsapi/3.1.1/alipayjsapi.min.js"></script> </head> <body> <div class="container"> <?php if(!isInAlipayClient()): ?> <h3>请使用支付宝扫码打开该网页：</h3> <img src="https://www.kuaizhan.com/common/encode-png?large=true&data=<?php echo getCurrentUrl()?>" /> <?php else: ?> <h3>点击唤起支付宝收银台</h3> <a href="javascript:void(0)" class="btn btn-primary btns-lg orderstrPay orderstr">点击支付</a> <div class="alert alert-success" role="alert" style="margin-top:30px;display: none"> </div> <?php endif; ?> </div> <p id="result"></p> <div class="alert alert-success" role="alert" style="margin-top:30px;display: none"> </div> <script type="application/javascript"> // 调试时可以通过在页面定义一个元素，打印信息，使用alert方法不够优雅 function log(obj) { $("#result").append(obj).append(" ").append("<br />"); } $(document).ready(function(){ // 页面载入完成后即唤起收银台 // 点击payButton按钮后唤起收银台 $(".orderstr").click(function() { tradePay("<?=$tradeNo?>"); }); // 通过jsapi关闭当前窗口，仅供参考，更多jsapi请访问 // /aod/54/104510 $("#closeButton").click(function() { AlipayJSBridge.call('closeWebview'); }); }); // 由于js的载入是异步的，所以可以通过该方法，当AlipayJSBridgeReady事件发生后，再执行callback方法 function ready(callback) { if (window.AlipayJSBridge) { callback && callback(); } else { document.addEventListener('AlipayJSBridgeReady', callback, false); } } function tradePay(tradeNO) { ready(function(){ // 通过传入交易号唤起快捷调用方式(注意tradeNO大小写严格) AlipayJSBridge.call("tradePay", { tradeNO: tradeNO }, function (data) { // log(JSON.stringify(data)); if(data.resultCode!=9000){ //支付失败 alert(data.resultCode+"："+data.memo); }else{ //支付成功 $(".alert-success").html("<strong>支付成功！</strong> 订单号：<?=$tradeNo?>"); $(".alert-success").show(); } }); }); } </script> </body> </html> <?php class AlipayService { protected $appId; protected $notifyUrl; protected $charset; //私钥值 protected $rsaPrivateKey; protected $totalFee; protected $outTradeNo; protected $orderName; protected $scope; protected $buyerId; protected $authCode; public function __construct() { $this->charset = 'utf8'; } public function setAppid($appid) { $this->appId = $appid; } public function setNotifyUrl($notifyUrl) { $this->notifyUrl = $notifyUrl; } public function setRsaPrivateKey($saPrivateKey) { $this->rsaPrivateKey = $saPrivateKey; } public function setTotalFee($payAmount) { $this->totalFee = $payAmount; } public function setOutTradeNo($outTradeNo) { $this->outTradeNo = $outTradeNo; } public function setOrderName($orderName) { $this->orderName = $orderName; } public function setScope($scope) { $this->scope = $scope; } public function setBuyerId($buyerId) { $this->buyerId = $buyerId; } public function setAuthCode($authCode) { $this->authCode = $authCode; } /** * 获取orderStr * @return array */ public function createOrder() { //请求参数 $requestConfigs = array( 'out_trade_no'=>$this->outTradeNo, 'total_amount'=>$this->totalFee, //单位 元 'subject'=>$this->orderName, //订单标题 'buyer_id'=>$this->buyerId, //购买者的userid 'timeout_express'=>'2h', //该笔订单允许的最晚付款时间，逾期将关闭交易。取值范围：1m～15d。m-分钟，h-小时，d-天，1c-当天（1c-当天的情况下，无论交易何时创建，都在0点关闭）。 该参数数值不接受小数点， 如 1.5h，可转换为 90m。 // 'store_id'=>'', //商户门店编号。该参数用于请求参数中以区分各门店，非必传项。 //'terminal_id'=>'xxx', //'extend_params'=>array( //'sys_service_provider_id'=>'xxxx' //系统商编号，该参数作为系统商返佣数据提取的依据，请填写系统商签约协议的PID //) ); $commonConfigs = array( //公共参数 'app_id' => $this->appId, 'method' => 'alipay.trade.create', //接口名称 'format' => 'JSON', 'charset'=>$this->charset, 'sign_type'=>'RSA2', 'timestamp'=>date('Y-m-d H:i:s'), 'version'=>'1.0', 'notify_url' => $this->notifyUrl, 'biz_content'=>json_encode($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 $data; } public function buildOrderStr($data) { return http_build_query($data); } public function curlPost($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 $data; } /** * 获取access_token和user_id */ public function getToken() { //通过code获得access_token和user_id if (!isset($_GET['auth_code'])){ //触发微信返回code码 $scheme = $_SERVER['HTTPS']=='on' ? 'https://' : 'http://'; $uri = $_SERVER['PHP_SELF'].$_SERVER['QUERY_STRING']; if($_SERVER['REQUEST_URI']) $uri = $_SERVER['REQUEST_URI']; $baseUrl = $scheme.$_SERVER['HTTP_HOST'].$uri; $url = $this->__CreateOauthUrlForCode($baseUrl); Header("Location: $url"); exit(); } else { //获取code码，以获取openid $this->setAuthCode($_GET['auth_code']); return $this->doAuth(); } } /** * 构造获取token的url连接 * @param string $redirectUrl 微信服务器回跳的url，需要url编码 * @return 返回构造好的url */ private function __CreateOauthUrlForCode($redirectUrl) { $urlObj["app_id"] = $this->appId; $urlObj["redirect_uri"] = urlencode($redirectUrl); $urlObj["scope"] = $this->scope; $urlObj["state"] = 123456; $bizString = $this->ToUrlParams($urlObj); return "https://openauth.alipay.com/oauth2/publicAppAuthorize.htm?".$bizString; } /** * 拼接签名字符串 * @param array $urlObj * @return 返回已经拼接好的字符串 */ private function ToUrlParams($urlObj) { $buff = ""; foreach ($urlObj as $k => $v) { if($k != "sign") $buff .= $k . "=" . $v . "&"; } $buff = trim($buff, "&"); return $buff; } /** * 获取access_token和user_id * @return array */ public function doAuth() { $commonConfigs = array( //公共参数 'app_id' => $this->appId, 'method' => 'alipay.system.oauth.token',//接口名称 'format' => 'JSON', 'charset'=>$this->charset, 'sign_type'=>'RSA2', 'timestamp'=>date('Y-m-d H:i:s'), 'version'=>'1.0', 'grant_type'=>'authorization_code', 'code'=>$this->authCode, ); $commonConfigs["sign"] = $this->generateSign($commonConfigs, $commonConfigs['sign_type']); $result = $this->curlPost('https://openapi.alipay.com/gateway.do',$commonConfigs); $result = iconv('GBK','UTF-8',$result); return json_decode($result,true); } } // 是否支付宝客户端 function isInAlipayClient() { if( strpos($_SERVER['HTTP_USER_AGENT'], 'AlipayClient') !== false ) { return true; } return false; } function getCurrentUrl() { $scheme = $_SERVER['HTTPS']=='on' ? 'https://' : 'http://'; $uri = $_SERVER['PHP_SELF'].$_SERVER['QUERY_STRING']; if($_SERVER['REQUEST_URI']) $uri = $_SERVER['REQUEST_URI']; $baseUrl = urlencode($scheme.$_SERVER['HTTP_HOST'].$uri); return $baseUrl;
