public function extendPostRequest($aMerchantNo)
{
try {
$this->iLogWriter = new LogWriter();
$this->iLogWriter->logNewLine("TrustPayClient V3.0.0 交易开始==========================");
MerchantConfig::getLogWriterObject($this->iLogWriter);
//0、检查传入参数是否合法
if ($aMerchantNo <= 0 || $aMerchantNo > MerchantConfig::getMerchantNum()) {
throw new TrxException(TrxException::TRX_EXC_CODE_1008, TrxException::TRX_EXC_MSG_1008, '配置文件中商户数为' . MerchantConfig::getMerchantNum() . ", 但是请求指定的商户配置编号为{$aMerchantNo} ！");
}
//1、检查交易请求是否合法
$this->iLogWriter->logNewLine('检查交易请求是否合法：');
$this->checkRequest();
$this->iLogWriter->log('正确');
//2、取得交易报文
$tRequestMessage = $this->getRequestMessage();
//3、组成完整交易报文
$this->iLogWriter->log("完整交易报文：");
$tRequestMessage = $this->composeRequestMessage($aMerchantNo, $tRequestMessage);
$this->iLogWriter->log($tRequestMessage);
//4、对交易报文进行签名
$tRequestMessage = MerchantConfig::signMessage($aMerchantNo, $tRequestMessage);
//5、发送交易报文至网上支付平台
$tResponseMessage = $this->sendMessage($tRequestMessage);
//6、验证网上支付平台响应报文的签名
$this->iLogWriter->logNewLine('验证网上支付平台响应报文的签名：');
MerchantConfig::verifySign($tResponseMessage);
$this->iLogWriter->log('正确');
//7、生成交易响应对象
$this->iLogWriter->logNewLine('生成交易响应对象：');
$this->iLogWriter->logNewLine('交易结果：[' . $tResponseMessage->getReturnCode() . ']');
$this->iLogWriter->logNewLine('错误信息：[' . $tResponseMessage->getErrorMessage() . ']');
} catch (TrxException $e) {
$tResponseMessage = new Json();
$tResponseMessage->initWithCodeMsg($e->getCode(), $e->getMessage() . " - " . $e->getDetailMessage());
if ($this->iLogWriter != null) {
$this->iLogWriter->logNewLine('错误代码：[' + $tResponseMessage->getReturnCode() . '] 错误信息：[' . $tResponseMessage->getErrorMessage() . ']');
}
} catch (Exception $e) {
$tResponseMessage = new Json();
$tResponseMessage->initWithCodeMsg(TrxException::TRX_EXC_CODE_1999, TrxException::TRX_EXC_MSG_1999 . ' - ' . $e->getMessage());
if ($this->iLogWriter != null) {
$this->iLogWriter->logNewLine('错误代码：[' . $tResponseMessage->getReturnCode() . '] 错误信息：[' . $tResponseMessage->getErrorMessage() . ']');
}
}
if ($this->iLogWriter != null) {
$this->iLogWriter->logNewLine("交易结束==================================================\n\n\n\n");
$this->iLogWriter->closeWriter(MerchantConfig::getTrxLogFile());
}
return $tResponseMessage;
}
