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使用php怎么實現支付寶當面付功能?很多新手對此不是很清楚,為了幫助大家解決這個難題,下面小編將為大家詳細講解,有這方面需求的人可以來學習下,希望你能有所收獲。
環境依賴
PHP5.0以上,且需要開啟CURL服務、SSL服務。
注意事項
1.文件開頭的配置信息必須完善
2.商戶私鑰需填寫對應簽名算法類型的私鑰,如何生成密鑰參考:
2.1 生成RSA密鑰
2.2 創建應用
代碼
<?php header('Content-type:text/html; Charset=utf-8'); $appid = 'xxxxx'; //https://open.alipay.com 賬戶中心->密鑰管理->開放平臺密鑰,填寫添加了電腦網站支付的應用的APPID $notifyUrl = 'http://www.xxx.com/alipay/notify.php'; //付款成功后的異步回調地址 $outTradeNo = uniqid(); //你自己的商品訂單號 $payAmount = 0.01; //付款金額,單位:元 $orderName = '支付測試'; //訂單標題 $signType = 'RSA2'; //簽名算法類型,支持RSA2和RSA,推薦使用RSA2 //商戶私鑰,填寫對應簽名算法類型的私鑰,如何生成密鑰參考:https://docs.open.alipay.com/291/105971和https://docs.open.alipay.com/200/105310 $saPrivateKey='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'; $aliPay = new AlipayService($appid,$returnUrl,$notifyUrl,$saPrivateKey); $result = $aliPay->doPay($payAmount,$outTradeNo,$orderName,$returnUrl,$notifyUrl); $result = $result['alipay_trade_precreate_response']; if($result['code'] && $result['code']=='10000'){ //生成二維碼 $url = 'http://pan.baidu.com/share/qrcode?w=300&h=300&url='.$result['qr_code']; echo "<img src='{$url}' style='width:300px;'><br>"; echo '二維碼內容:'.$result['qr_code']; }else{ echo $result['msg'].' : '.$result['sub_msg']; } class AlipayService { protected $appId; protected $returnUrl; protected $notifyUrl; //私鑰文件路徑 protected $rsaPrivateKeyFilePath; //私鑰值 protected $rsaPrivateKey; public function __construct($appid, $returnUrl, $notifyUrl,$saPrivateKey) { $this->appId = $appid; $this->returnUrl = $returnUrl; $this->notifyUrl = $notifyUrl; $this->charset = 'utf8'; $this->rsaPrivateKey=$saPrivateKey; } /** * 發起訂單 * @param float $totalFee 收款總費用 單位元 * @param string $outTradeNo 唯一的訂單號 * @param string $orderName 訂單名稱 * @param string $notifyUrl 支付結果通知url 不要有問號 * @param string $timestamp 訂單發起時間 * @return array */ public function doPay($totalFee, $outTradeNo, $orderName, $returnUrl,$notifyUrl) { //請求參數 $requestConfigs = array( 'out_trade_no'=>$outTradeNo, 'total_amount'=>$totalFee, //單位 元 'subject'=>$orderName, //訂單標題 ); $commonConfigs = array( //公共參數 'app_id' => $this->appId, 'method' => 'alipay.trade.precreate', //接口名稱 'format' => 'JSON', 'charset'=>$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('您使用的私鑰格式錯誤,請檢查RSA私鑰配置'); 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 $sign; } /** * 校驗$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)) { // 轉換成目標字符集 $v = $this->characet($v, $this->charset); if ($i == 0) { $stringToBeSigned .= "$k" . "=" . "$v"; } else { $stringToBeSigned .= "&" . "$k" . "=" . "$v"; } $i++; } } unset ($k, $v); return $stringToBeSigned; } /** * 轉換字符集編碼 * @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); //設置cURL允許執行的最長秒數 if (!empty($options)) { curl_setopt_array($ch, $options); } //https請求 不驗證證書和host curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); $data = curl_exec($ch); curl_close($ch); return $data; } }
php,一個嵌套的縮寫名稱,是英文超級文本預處理語言(PHP:Hypertext Preprocessor)的縮寫。PHP 是一種 HTML 內嵌式的語言,PHP與微軟的ASP頗有幾分相似,都是一種在服務器端執行的嵌入HTML文檔的腳本語言,語言的風格有類似于C語言,現在被很多的網站編程人員廣泛的運用。
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