Explication détaillée des exemples de paiement et de remboursement UnionPay back-end utilisant PHP

<?php
namespace com\unionpay\acp\sdk;;
include_once &#39;log.class.php&#39;;
include_once &#39;common.php&#39;;
 
class SDKConfig {
   
  private static $_config = null;
  public static function getSDKConfig(){
    if (SDKConfig::$_config == null ) {
      SDKConfig::$_config = new SDKConfig();
    }
    return SDKConfig::$_config;
  }
   
  private $frontTransUrl;
  private $backTransUrl;
  private $singleQueryUrl;
  private $batchTransUrl;
  private $fileTransUrl;
  private $appTransUrl;
  private $cardTransUrl;
  private $jfFrontTransUrl;
  private $jfBackTransUrl;
  private $jfSingleQueryUrl;
  private $jfCardTransUrl;
  private $jfAppTransUrl;
  private $qrcBackTransUrl;
  private $qrcB2cIssBackTransUrl;
  private $qrcB2cMerBackTransUrl;
   
  private $signMethod;
  private $version;
  private $ifValidateCNName;
  private $ifValidateRemoteCert;
   
  private $signCertPath;
  private $signCertPwd;
  private $validateCertDir;
  private $encryptCertPath;
  private $rootCertPath;
  private $middleCertPath;
  private $frontUrl;
  private $backUrl;
  private $secureKey;
  private $logFilePath;
  private $logLevel;
 
  function __construct(){
 
    //如果想把acp_sdk.ini挪到其他路径的话，请修改下面这行指定绝对路径。
    $configFilePath = dirname(__FILE__) . "/acp_sdk.ini";
    $certsFilePath = dirname(dirname(__FILE__)) . "/certs/";
     
    if(!file_exists($configFilePath)){
      $logger = LogUtil::getLogger();
      $logger->LogError("配置文件加载失败，文件路径：[" . $configFilePath . "].请检查启动php的用户是否有读权限。");
      return;
    }
    $ini_array = parse_ini_file($configFilePath, true);
    $sdk_array = $ini_array["acpsdk"];
    $this->frontTransUrl = array_key_exists("acpsdk.frontTransUrl", $sdk_array)?$sdk_array["acpsdk.frontTransUrl"] : null;
    $this->backTransUrl = array_key_exists("acpsdk.backTransUrl", $sdk_array)?$sdk_array["acpsdk.backTransUrl"] : null;
    $this->singleQueryUrl = array_key_exists("acpsdk.singleQueryUrl", $sdk_array)?$sdk_array["acpsdk.singleQueryUrl"] : null;
    $this->batchTransUrl = array_key_exists("acpsdk.batchTransUrl", $sdk_array)?$sdk_array["acpsdk.batchTransUrl"] : null;
    $this->fileTransUrl = array_key_exists("acpsdk.fileTransUrl", $sdk_array)?$sdk_array["acpsdk.fileTransUrl"] : null;
    $this->appTransUrl = array_key_exists("acpsdk.appTransUrl", $sdk_array)?$sdk_array["acpsdk.appTransUrl"] : null;
    $this->cardTransUrl = array_key_exists("acpsdk.cardTransUrl", $sdk_array)?$sdk_array["acpsdk.cardTransUrl"] : null;
    $this->jfFrontTransUrl = array_key_exists("acpsdk.jfFrontTransUrl", $sdk_array)?$sdk_array["acpsdk.jfFrontTransUrl"] : null;
    $this->jfBackTransUrl = array_key_exists("acpsdk.jfBackTransUrl", $sdk_array)?$sdk_array["acpsdk.jfBackTransUrl"] : null;
    $this->jfSingleQueryUrl = array_key_exists("acpsdk.jfSingleQueryUrl", $sdk_array)?$sdk_array["acpsdk.jfSingleQueryUrl"] : null;
    $this->jfCardTransUrl = array_key_exists("acpsdk.jfCardTransUrl", $sdk_array)?$sdk_array["acpsdk.jfCardTransUrl"] : null;
    $this->jfAppTransUrl = array_key_exists("acpsdk.jfAppTransUrl", $sdk_array)?$sdk_array["acpsdk.jfAppTransUrl"] : null;
    $this->qrcBackTransUrl = array_key_exists("acpsdk.qrcBackTransUrl", $sdk_array)?$sdk_array["acpsdk.qrcBackTransUrl"] : null;
    $this->qrcB2cIssBackTransUrl = array_key_exists("acpsdk.qrcB2cIssBackTransUrl", $sdk_array)?$sdk_array["acpsdk.qrcB2cIssBackTransUrl"] : null;
    $this->qrcB2cMerBackTransUrl = array_key_exists("acpsdk.qrcB2cMerBackTransUrl", $sdk_array)?$sdk_array["acpsdk.qrcB2cMerBackTransUrl"] : null;
 
    $this->signMethod = array_key_exists("acpsdk.signMethod", $sdk_array)?$sdk_array["acpsdk.signMethod"] : null;
    $this->version = array_key_exists("acpsdk.version", $sdk_array)?$sdk_array["acpsdk.version"] : null;
    $this->ifValidateCNName = array_key_exists("acpsdk.ifValidateCNName", $sdk_array)?$sdk_array["acpsdk.ifValidateCNName"] : "true";
    $this->ifValidateRemoteCert = array_key_exists("acpsdk.ifValidateRemoteCert", $sdk_array)?$sdk_array["acpsdk.ifValidateRemoteCert"] : "false";
 
    $this->signCertPath = $certsFilePath . (array_key_exists("acpsdk.signCert.path", $sdk_array)?$sdk_array["acpsdk.signCert.path"]: null);
    $this->signCertPwd = array_key_exists("acpsdk.signCert.pwd", $sdk_array)?$sdk_array["acpsdk.signCert.pwd"]: null;
     
    $this->validateCertDir = array_key_exists("acpsdk.validateCert.dir", $sdk_array)? $sdk_array["acpsdk.validateCert.dir"]: null;
    $this->encryptCertPath = $certsFilePath . (array_key_exists("acpsdk.encryptCert.path", $sdk_array)? $sdk_array["acpsdk.encryptCert.path"]: null);
    $this->rootCertPath = $certsFilePath . (array_key_exists("acpsdk.rootCert.path", $sdk_array)? $sdk_array["acpsdk.rootCert.path"]: null);
    $this->middleCertPath = $certsFilePath . (array_key_exists("acpsdk.middleCert.path", $sdk_array)?$sdk_array["acpsdk.middleCert.path"]: null);
     
    $this->frontUrl = array_key_exists("acpsdk.frontUrl", $sdk_array)?$sdk_array["acpsdk.frontUrl"]: null;
    $this->backUrl = array_key_exists("acpsdk.backUrl", $sdk_array)?$sdk_array["acpsdk.backUrl"]: null;
     
    $this->secureKey = array_key_exists("acpsdk.secureKey", $sdk_array)?$sdk_array["acpsdk.secureKey"]: null;
    $this->logFilePath = array_key_exists("acpsdk.log.file.path", $sdk_array)?$sdk_array["acpsdk.log.file.path"]: null;
    $this->logLevel = array_key_exists("acpsdk.log.level", $sdk_array)?$sdk_array["acpsdk.log.level"]: null;
     
  }
 
  public function __get($property_name)
  {
    if(isset($this->$property_name))
    {
      return($this->$property_name);
    }
    else
    {
      return(NULL);
    }
  } 
}

use com\unionpay\acp\sdk\AcpService;
use com\unionpay\acp\sdk\LogUtil;
use com\unionpay\acp\sdk\SDKConfig;
 
  /**
   * 银联支付下单
   *
   * @param $orders
   * @param $orders_type
   * @return array
   */
  public function unionPay($orders, $orders_type = 0)
  {
    include_once dirname(dirname(dirname(__FILE__))) . '/Model/unionpay-sdk/sdk/acp_service.php';
    $config = new SDKConfig();
    $AcpService = new AcpService();
    $log = LogUtil::getLogger();
    $time = date('YmdHis', time());
    $params = array(
 
      //以下信息非特殊情况不需要改动
      'version' => $config->getSDKConfig()->version,         //版本号
      'encoding' => 'utf-8',         //编码方式
      'txnType' => '01',           //交易类型
      'txnSubType' => '01',         //交易子类
      'bizType' => '000201',         //业务类型
      'frontUrl' => $config->getSDKConfig()->frontUrl, //前台通知地址
      'backUrl' => $this->getURL('api_pay_unionpay_call_back'),  //后台通知地址
      'signMethod' => $config->getSDKConfig()->signMethod,         //签名方法
      'channelType' => '08',         //渠道类型，07-PC，08-手机
      'accessType' => '0',        //接入类型
      'currencyCode' => '156',      //交易币种，境内商户固定156
 
      //TODO 以下信息需要填写
      'merId' => $this->getParameter('mer_id'),   //商户代码，请改自己的测试商户号
      'orderId' => $orders["order_no"],  //商户订单号，8-32位数字字母，不能含“-”或“_”
      'txnTime' => $time, //订单发送时间，格式为YYYYMMDDhhmmss，取北京时间
      'txnAmt' => $orders['total_price'] * 100,  //交易金额，单位分
    );
 
    $AcpService->sign ( $params ); // 签名
    $url = $config->getSDKConfig()->appTransUrl;
 
    $result_arr = $AcpService->post ($params, $url);
 
    if(count($result_arr)<=0) { //没收到200应答的情况 $log->LogInfo(&#39;没收到200应答的情况&#39;);
    }
 
//    $this->printResult ($url, $params, $result_arr ); //页面打印请求应答数据
 
    if (!$AcpService->validate ($result_arr) ){
      $log->LogInfo(&#39;应答报文验签失败&#39;);
    }
    if ($result_arr["respCode"] == "00"){
      //成功
      return array(&#39;txn_time&#39;=>$time, &#39;tn&#39;=>$result_arr["tn"]);
//      echo "后续请将此tn传给手机开发，由他们用此tn调起控件后完成支付。
\n";
//      echo "手机端demo默认从仿真获取tn，仿真只返回一个tn，如不想修改手机和后台间的通讯方式，【此页面请修改代码为只输出tn】。
\n";
    } else {
      //其他应答码做以失败处理
      return array(&#39;txn_time&#39;=>$time, &#39;tn&#39;=>0);
      //echo "失败：" . $result_arr["respMsg"] . "。
\n";
 
    }
  }

/**
   * 银联回调
   *
   * @param Request $request
   * @return array|Response
   */
  public function unionPayCallBackAction(Request $request)
  {
    if ($request->get('type') == 1){//前台通知-进行订单状态查询
      $query = $this->unionPayQuery($request, array(), 1);
 
      return new JsonResponse($query);
    }
 
    require_once dirname(dirname(dirname(__FILE__))) . "/Model/unionpay-sdk/sdk/acp_service.php";
    $log = LogUtil::getLogger();
    $AcpService = new AcpService();
 
 
    if ($request->request->has('signature') && $AcpService->validate($_POST)) {
      $order_no = $request->request->get('orderId');
      $respCode = $request->request->get('respCode');
      $total = $request->request->get('txnAmt'); // 交易金额
      if ($respCode === '00' || $respCode === 'A6') {
        $trade_no = $request->request->get('origQryId')?:'UN' . date('YmdHis', time()) . substr(implode(NULL, array_map('ord', str_split(substr(uniqid(), 7, 13), 1))), 0, 8);
        $this->dispose($order_no, $trade_no, 4);//订单交易处理-请根据实际情况自行编写
      }
    } else {
      if (!$request->request->has('signature')) {
        $log->LogInfo('签名为空');
      } else {
        $log->LogInfo('验签失败');
      }
    }
 
    exit;
  }

   do{//循环查询，直到获取到退款订单的queryID
      sleep($number * 2);
      $query = $this->unionPayQuery('', $orders);
      $number += 1;
    }while($query['errorCode'] != 0 || empty($query['result_arr']["queryId"]));
 
public function unionPayQuery($request, $orders)
  {
    require_once dirname(dirname(dirname(__FILE__))) . "/Model/unionpay-sdk/sdk/acp_service.php";
    $config = new SDKConfig();
    $AcpService = new AcpService();
    $log = LogUtil::getLogger();
    $params = array(
      //以下信息非特殊情况不需要改动
      'version' => $config->getSDKConfig()->version,    //版本号
      'encoding' => 'utf-8',     //编码方式
      'signMethod' => $config->getSDKConfig()->signMethod,     //签名方法
      'txnType' => '00',       //交易类型
      'txnSubType' => '00',     //交易子类
      'bizType' => '000000',     //业务类型
      'accessType' => '0',    //接入类型
      'channelType' => '07',     //渠道类型
 
      //TODO 以下信息需要填写
      'orderId' => $orders['order_no'],  //请修改被查询的交易的订单号，8-32位数字字母，不能含“-”或“_”
      'merId' => $this->getParameter('mer_id'),   //商户代码，请改自己的测试商户号
      'txnTime' => date('YmdHis', time()), //请修改被查询的交易的订单发送时间，格式为YYYYMMDDhhmmss
    );
 
    $AcpService->sign ( $params ); // 签名
    $url = $config->getSDKConfig()->singleQueryUrl;
 
    $result_arr = $AcpService->post ( $params, $url);
    if(count($result_arr)<=0) { //没收到200应答的情况 $log->LogInfo(&#39;没收到200应答的情况&#39;);
    }
 
    if (!$AcpService->validate ($result_arr) ){
      $log->LogInfo(&#39;应答报文验签失败&#39;);
    }
    if ($result_arr["respCode"] == "00"){
      if ($result_arr["origRespCode"] == "00"){
        //交易成功
        $trade_no = &#39;UN&#39; . date(&#39;YmdHis&#39;, time()) . substr(implode(NULL, array_map(&#39;ord&#39;, str_split(substr(uniqid(), 7, 13), 1))), 0, 8);
        $this->dispose($orders[&#39;order_no&#39;], $trade_no, 4);
        $result = array(&#39;errorCode&#39;=>0, &#39;message&#39;=>&#39;交易成功&#39;, &#39;result_arr&#39;=>$result_arr);
 
      } else if ($result_arr["origRespCode"] == "03"
        || $result_arr["origRespCode"] == "04"
        || $result_arr["origRespCode"] == "05"){
        //后续需发起交易状态查询交易确定交易状态
 
        $result = array(&#39;errorCode&#39;=>2, &#39;message&#39;=>&#39;交易处理中&#39;, &#39;result_arr&#39;=>$result_arr);
 
      } else {
        //其他应答码做以失败处理
 
        echo "交易失败：" . $result_arr["origRespMsg"] . "。
\n";
 
        $result = array(&#39;errorCode&#39;=>1, &#39;message&#39;=>"交易失败：" . $result_arr["origRespMsg"] . ".", &#39;result_arr&#39;=>$result_arr);
      }
    } else if ($result_arr["respCode"] == "03"
      || $result_arr["respCode"] == "04"
      || $result_arr["respCode"] == "05" ){
      //后续需发起交易状态查询交易确定交易状态
 
      $result = array(&#39;errorCode&#39;=>2, &#39;message&#39;=>"处理超时，请稍后查询.", &#39;result_arr&#39;=>$result_arr);
    } else {
      //其他应答码做以失败处理
 
 
      $result = array(&#39;errorCode&#39;=>1, &#39;message&#39;=>"失败：" . $result_arr["respMsg"] . ".", &#39;result_arr&#39;=>$result_arr);
    }
 
    return $result;
  }

public function refundUnionPay($orders)
  {
    require_once(dirname(dirname(__FILE__)) . "/Model/unionpay-sdk/sdk/acp_service.php");
 
    set_time_limit(100);
 
    $config = new SDKConfig();
    $AcpService = new AcpService();
    $log = LogUtil::getLogger();
    $number = 0;
    do{//循环查询，直到获取到退款订单的queryID
      sleep($number * 2);
      $query = $this->unionPayQuery('', $orders);
      $number += 1;
    }while($query['errorCode'] != 0 || empty($query['result_arr']["queryId"]));
   
 
    if ($query['errorCode'] != 0) {
      return array('errorCode'=>1, 'message'=>'订单未成交，无法退款');
    }
    $params = array(
 
      //以下信息非特殊情况不需要改动
      'version' => $config->getSDKConfig()->version,      //版本号
      'encoding' => 'utf-8',       //编码方式
      'signMethod' => $config->getSDKConfig()->signMethod,       //签名方法
      'txnType' => '04',         //交易类型
      'txnSubType' => '00',       //交易子类
      'bizType' => '000201',       //业务类型
      'accessType' => '0',      //接入类型
      'channelType' => '07',       //渠道类型
      'backUrl' => $config->getSDKConfig()->backUrl, //后台通知地址
 
      //TODO 以下信息需要填写
      'orderId' => "T" . $orders['order_no'],   //商户订单号，8-32位数字字母，不能含“-”或“_”，可以自行定制规则，重新产生-此处为在退款订单前拼接 T
      'merId' => $this->getParameter('mer_id'),     //商户代码，请改成自己的商户号
      'origQryId' => $query['result_arr']["queryId"], //原消费的queryId，可以从查询接口或者通知接口中获取
      'txnTime' => date('YmdHis', time()),    //订单发送时间，格式为YYYYMMDDhhmmss，重新产生，不同于原消费
      'txnAmt' => $orders['total_price'] * 100,   //交易金额，退货总金额需要小于等于原消费
    );
 
    $AcpService->sign ( $params ); // 签名
    $url = $config->getSDKConfig()->backTransUrl;
 
    $result_arr = $AcpService->post ( $params, $url);
    if(count($result_arr)<=0) { //没收到200应答的情况 return array(&#39;errorCode&#39;=>1, &#39;message&#39;=>"没收到应答.");
    }
 
    if (!$AcpService->validate ($result_arr) ){
      return array(&#39;errorCode&#39;=>1, &#39;message&#39;=>"应答报文验签失败.");
    }
 
    if ($result_arr["respCode"] == "00"){
      //交易已受理，等待接收后台通知更新订单状态，如果通知长时间未收到也可发起交易状态查询
      return array(&#39;errorCode&#39;=>0, &#39;message&#39;=>"受理成功.");
 
    } else if ($result_arr["respCode"] == "03"
      || $result_arr["respCode"] == "04"
      || $result_arr["respCode"] == "05" ){
      //后续需发起交易状态查询交易确定交易状态
      return array(&#39;errorCode&#39;=>1, &#39;message&#39;=>"处理超时，请稍微查询.");
    } else {
      //其他应答码做以失败处理
 
      return array(&#39;errorCode&#39;=>1, &#39;message&#39;=>"失败：" . $result_arr["respMsg"] . ".");
    }
  }