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php银联网页支付实现方法

原作者: [db:作者] 来自: [db:来源] 收藏 邀请
 
 
 本文实例讲述了php银联网页支付实现方法。分享给大家供大家参考。具体分析如下:

这里介绍的银联WAP支付功能,仅限消费功能。

1. PHP代码如下:

复制代码代码如下:
<?php
namespace common\services;
class UnionPay
{
    /**
     * 支付配置
     * @var array
     */
    public $config = [];
    /**
     * 支付参数,提交到银联对应接口的所有参数
     * @var array
     */
    public $params = [];
    /**
     * 自动提交表单模板
     * @var string
     */
    private $formTemplate = <<<\'HTML\'
<!DOCTYPE HTML>
<html>
<head>
    <meta charset="utf-8">
    <title>支付</title>
</head>
<body>
    <div >跳转中...</div>
    <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;
/**
* 构建自动提交HTML表单
* @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);
}
/**
* 验证签名
* 验签规则:
* 除signature域之外的所有项目都必须参加验签
* 根据key值按照字典排序,然后用&拼接key=value形式待验签字符串;
* 然后对待验签字符串使用sha1算法做摘要;
* 用银联公钥对摘要和签名信息做验签操作

* @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;
}
/**
* 取签名证书ID(SN)
* @return string
*/
public function getSignCertId()
{
        return $this->getCertIdPfx($this->config[\'signCertPath\']);
}   
/**
* 签名数据
* 签名规则:
* 除signature域之外的所有项目都必须参加签名
* 根据key值按照字典排序,然后用&拼接key=value形式待签名字符串;
* 然后对待签名字符串使用sha1算法做摘要;
* 用银联颁发的私钥对摘要做RSA签名操作
* 签名结果用base64编码后放在signature域

* @throws \InvalidArgumentException
* @return multitype|string
*/
private function sign() {
        $signData = $this->filterBeforSign();
        ksort($signData);
        $signQueryString = $this->arrayToString($signData);
        if($this->params[\'signMethod\'] == 01) {
            //签名之前先用sha1处理
            //echo $signQueryString;exit;
            $datasha1 = sha1($signQueryString);
            $signed = $this->rsaSign($datasha1);
        } else {
            throw new \InvalidArgumentException(\'Nonsupport Sign Method\');
        }
        return $signed;
}
/**
* 数组转换成字符串
* @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);
}
/**
* 过滤待签名数据
* signature域不参加签名

* @return array
*/
private function filterBeforSign()
{
        $tmp = $this->params;
        unset($tmp[\'signature\']);
        return $tmp;
}
/**
* RSA签名数据,并base64编码
* @param string $data 待签名数据
* @return mixed
*/
private function rsaSign($data)
{
        $privatekey = $this->getSignPrivateKey();
        $result = openssl_sign($data, $signature, $privatekey);
        if($result) {
            return base64_encode($signature);
        }
        return false;
}
/**
* 取.pfx格式证书ID(SN)
* @return string
*/
private function getCertIdPfx($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 $certdata[\'serialNumber\'];
}
/**
* 取.cer格式证书ID(SN)
* @return string
*/
private function getCertIdCer($path)
{
        $x509data = file_get_contents($path);
        openssl_x509_read($x509data);
        $certdata = openssl_x509_parse($x509data);
        return $certdata[\'serialNumber\'];
}
/**
* 取签名证书私钥
* @return resource
*/
private function getSignPrivateKey()
{
        $pkcs12 = file_get_contents($this->config[\'signCertPath\']);
        openssl_pkcs12_read($pkcs12, $certs, $this->config[\'signCertPwd\']);
        return $certs[\'pkey\'];
}
/**
* 取验证签名证书
* @throws \InvalidArgumentException
* @return string
*/
private function getVerifyPublicKey()
{
        //先判断配置的验签证书是否银联返回指定的证书是否一致
        if($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     
复制代码代码如下:
//银联支付设置
 \'unionpay\' => [
     //测试环境参数
     \'frontUrl\' => \'https://101.231.204.80:5000/gateway/api/frontTransReq.do\', //前台交易请求地址
     //\'singleQueryUrl\' => \'https://101.231.204.80:5000/gateway/api/queryTrans.do\', //单笔查询请求地址
     \'signCertPath\' => __DIR__.\'/../keys/unionpay/test/sign/700000000000001_acp.pfx\', //签名证书路径
     \'signCertPwd\' => \'000000\', //签名证书密码
     \'verifyCertPath\' => __DIR__.\'/../keys/unionpay/test/verify/verify_sign_acp.cer\', //验签证书路径
     \'merId\' => \'xxxxxxx\',
     //正式环境参数
     //\'frontUrl\' => \'https://101.231.204.80:5000/gateway/api/frontTransReq.do\', //前台交易请求地址
     //\'singleQueryUrl\' => \'https://101.231.204.80:5000/gateway/api/queryTrans.do\', //单笔查询请求地址
     //\'signCertPath\' => __DIR__.\'/../keys/unionpay/test/sign/PM_700000000000001_acp.pfx\', //签名证书路径
     //\'signCertPwd\' => \'000000\', //签名证书密码
     //\'verifyCertPath\' => __DIR__.\'/../keys/unionpay/test/verify/verify_sign_acp.cer\', //验签证书路径
     //\'merId\' => \'xxxxxxxxx\', //商户代码
 ],

3. 支付示例     
复制代码代码如下:
$unionPay = new UnionPay();
$unionPay->config = Yii::$app->params[\'unionpay\'];//上面的配置
$unionPay->params = [
    \'version\' => \'5.0.0\', //版本号
    \'encoding\' => \'UTF-8\', //编码方式
    \'certId\' => $unionPay->getSignCertId(), //证书ID
    \'signature\' => \'\', //签名
    \'signMethod\' => \'01\', //签名方式
    \'txnType\' => \'01\', //交易类型
    \'txnSubType\' => \'01\', //交易子类
    \'bizType\' => \'000201\', //产品类型
    \'channelType\' => \'08\',//渠道类型
    \'frontUrl\' => Url::toRoute([\'payment/unionpayreturn\'], true), //前台通知地址
    \'backUrl\' => Url::toRoute([\'payment/unionpaynotify\'], true), //后台通知地址
    //\'frontFailUrl\' => Url::toRoute([\'payment/unionpayfail\'], true), //失败交易前台跳转地址
    \'accessType\' => \'0\', //接入类型
    \'merId\' => Yii::$app->params[\'unionpay\'][\'merId\'], //商户代码
    \'orderId\' => $orderNo, //商户订单号
    \'txnTime\' => date(\'YmdHis\'), //订单发送时间
    \'txnAmt\' => $sum * 100, //交易金额,单位分
    \'currencyCode\' => \'156\', //交易币种
];
$html = $unionPay->createPostForm();

4. 异步通知示例
复制代码代码如下:
$unionPay = new UnionPay();
$unionPay->config = Yii::$app->params[\'unionpay\'];
$unionPay->params = Yii::$app->request->post(); //银联提交的参数
if(empty($unionPay->params)) {
    return \'fail!\';
}
if($unionPay->verifySign() && $unionPay->params[\'respCode\'] == \'00\') {
    //.......
}

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