php銀聯網頁支付實現方法
php銀聯網頁支付實現方法,實例分析了php操作銀聯網支付接口的技巧,具有一定參考借鑒價值,需要的朋友可以參考下.
這里介紹的銀聯WAP支付功能，僅限消費功能。
1. PHP代碼如下：
復制代碼 代碼如下:
<?php
namespace common\services;
class UnionPay
{
/**
* 支付配置
* @var array
*/
public $config = [];
/**
* 支付參數，提交到銀聯對應接口的所有參數
* @var array
*/
public $params = [];
/**
* 自動提交表單模板
* @var string
*/
private $formTemplate = <<<'HTML'
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>支付</title>
</head>
<body>
<p style="text-align:center">跳轉中...</p>
<form id="pay_form" name="pay_form" action="%s" method="post">
%s
</form>
<script type="text/javascript">
document.onreadystatechange = function(){
if(document.readyState == "complete") {
document.pay_form.submit();
}
};
</script>
</body>
</html>
HTML;
/**
* 構建自動提交HTML表單
* @return string
*/
public function createPostForm()
{
$this->params['signature'] = $this->sign();
$input = '';
foreach($this->params as $key => $item) {
$input .= "\t\t<input type=\"hidden\" name=\"{$key}\" value=\"{$item}\">\n";
}
return sprintf($this->formTemplate, $this->config['frontUrl'], $input);
}
/**
* 驗證簽名
* 驗簽規則：
* 除signature域之外的所有項目都必須參加驗簽
* 根據key值按照字典排序，然后用&拼接key=value形式待驗簽字符串；
* 然后對待驗簽字符串使用sha1算法做摘要；
* 用銀聯公鑰對摘要和簽名信息做驗簽操作
*
* @throws \Exception
* @return bool
*/
public function verifySign()
{
$publicKey = $this->getVerifyPublicKey();
$verifyArr = $this->filterBeforSign();
ksort($verifyArr);
$verifyStr = $this->arrayToString($verifyArr);
$verifySha1 = sha1($verifyStr);
$signature = base64_decode($this->params['signature']);
$result = openssl_verify($verifySha1, $signature, $publicKey);
if($result === -1) {
throw new \Exception('Verify Error:'.openssl_error_string());
}
return $result === 1 ? true : false;
}
/**
* 取簽名證書ID(SN)
* @return string
*/
public function getSignCertId()
{
return $this->getCertIdPfx($this->config['signCertPath']);
}
/**
* 簽名數據
* 簽名規則:
* 除signature域之外的所有項目都必須參加簽名
* 根據key值按照字典排序，然后用&拼接key=value形式待簽名字符串；
* 然后對待簽名字符串使用sha1算法做摘要；
* 用銀聯頒發的私鑰對摘要做RSA簽名操作
* 簽名結果用base64編碼后放在signature域
*
* @throws \InvalidArgumentException
* @return multitype|string
*/
private function sign() {
$signData = $this->filterBeforSign();
ksort($signData);
$signQueryString = $this->arrayToString($signData);
if($this->params['signMethod'] == 01) {
//簽名之前先用sha1處理
//echo $signQueryString;exit;
$datasha1 = sha1($signQueryString);
$signed = $this->rsaSign($datasha1);
} else {
throw new \InvalidArgumentException('Nonsupport Sign Method');
}
return $signed;
}
/**
* 數組轉換成字符串
* @param array $arr
* @return string
*/
private function arrayToString($arr)
{
$str = '';
foreach($arr as $key => $value) {
$str .= $key.'='.$value.'&';
}
return substr($str, 0, strlen($str) - 1);
}
/**
* 過濾待簽名數據
* signature域不參加簽名
*
* @return array
*/
private function filterBeforSign()
{
$tmp = $this->params;
unset($tmp['signature']);
return $tmp;
}
/**
* RSA簽名數據，并base64編碼
* @param string $data 待簽名數據
* @return mixed
*/
private function rsaSign($data)
{
$privatekey = $this->getSignPrivateKey();
$result = openssl_sign($data, $signature, $privatekey);
if($result) {
return base64_encode($signature);
}
return false;
}
/**
* 取.pfx格式證書ID(SN)
* @return string
*/
private function getCertIdPfx($path)
{
$pkcs12certdata = file_get_contents($path);
openssl_pkcs12_read($pkcs12certdata, $certs, $this->config['signCertPwd']);
$x509data = $certs['cert'];
openssl_x509_read($x509data);
$certdata = openssl_x509_parse($x509data);
return $certdata['serialNumber'];
}
/**
* 取.cer格式證書ID(SN)
* @return string
*/
private function getCertIdCer($path)
{
$x509data = file_get_contents($path);
openssl_x509_read($x509data);
$certdata = openssl_x509_parse($x509data);
return $certdata['serialNumber'];
}
/**
* 取簽名證書私鑰
* @return resource
*/
private function getSignPrivateKey()
{
$pkcs12 = file_get_contents($this->config['signCertPath']);
openssl_pkcs12_read($pkcs12, $certs, $this->config['signCertPwd']);
return $certs['pkey'];
}
/**
* 取驗證簽名證書
* @throws \InvalidArgumentException
* @return string
*/
private function getVerifyPublicKey()
{
//先判斷配置的驗簽證書是否銀聯返回指定的證書是否一致
if($this->getCertIdCer($this->config['verifyCertPath']) != $this->params['certId']) {
throw new \InvalidArgumentException('Verify sign cert is incorrect');
}
return file_get_contents($this->config['verifyCertPath']);
}
}
2. 配置示例
復制代碼 代碼如下:
//銀聯支付設置
'unionpay' => [
//測試環境參數
'frontUrl' => 'https://101.231.204.80:5000/gateway/api/frontTransReq.do', //前臺交易請求地址
//'singleQueryUrl' => 'https://101.231.204.80:5000/gateway/api/queryTrans.do', //單筆查詢請求地址
'signCertPath' => __DIR__.'/../keys/unionpay/test/sign/700000000000001_acp.pfx', //簽名證書路徑
'signCertPwd' => '000000', //簽名證書密碼
'verifyCertPath' => __DIR__.'/../keys/unionpay/test/verify/verify_sign_acp.cer', //驗簽證書路徑
'merId' => 'xxxxxxx',
//正式環境參數
//'frontUrl' => 'https://101.231.204.80:5000/gateway/api/frontTransReq.do', //前臺交易請求地址
//'singleQueryUrl' => 'https://101.231.204.80:5000/gateway/api/queryTrans.do', //單筆查詢請求地址
//'signCertPath' => __DIR__.'/../keys/unionpay/test/sign/PM_700000000000001_acp.pfx', //簽名證書路徑
//'signCertPwd' => '000000', //簽名證書密碼
//'verifyCertPath' => __DIR__.'/../keys/unionpay/test/verify/verify_sign_acp.cer', //驗簽證書路徑
//'merId' => 'xxxxxxxxx', //商戶代碼
],
3. 支付示例
復制代碼 代碼如下:
$unionPay = new UnionPay();
$unionPay->config = Yii::$app->params['unionpay'];//上面的配置
$unionPay->params = [
'version' => '5.0.0', //版本號
'encoding' => 'UTF-8', //編碼方式
'certId' => $unionPay->getSignCertId(), //證書ID
'signature' => '', //簽名
'signMethod' => '01', //簽名方式
'txnType' => '01', //交易類型
'txnSubType' => '01', //交易子類
'bizType' => '000201', //產品類型
'channelType' => '08',//渠道類型
'frontUrl' => Url::toRoute(['payment/unionpayreturn'], true), //前臺通知地址
'backUrl' => Url::toRoute(['payment/unionpaynotify'], true), //后臺通知地址
//'frontFailUrl' => Url::toRoute(['payment/unionpayfail'], true), //失敗交易前臺跳轉地址
'accessType' => '0', //接入類型
'merId' => Yii::$app->params['unionpay']['merId'], //商戶代碼
'orderId' => $orderNo, //商戶訂單號
'txnTime' => date('YmdHis'), //訂單發送時間
'txnAmt' => $sum * 100, //交易金額，單位分
'currencyCode' => '156', //交易幣種
];
$html = $unionPay->createPostForm();
4. 異步通知示例
復制代碼 代碼如下:
$unionPay = new UnionPay();
$unionPay->config = Yii::$app->params['unionpay'];
$unionPay->params = Yii::$app->request->post(); //銀聯提交的參數
if(empty($unionPay->params)) {
return 'fail!';
}
if($unionPay->verifySign() && $unionPay->params['respCode'] == '00') {
//.......
}
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