$v){ //参数为空不参与签名 if(isset($v) && $v != '' && $k != 'sign'){ array_push($arrTmp, "$k=$v"); } } return implode('&', $arrTmp); } /** * 获取参数签名 * @param $params * * @return string */ public static function getSign($params) { //第一步：对参数按照key=value的格式，并按照参数名ASCII字典序排序 ksort($params); $stringA = QpayMchUtil::buildQueryStr($params); //第二步：拼接API密钥并md5 $stringA = $stringA."&key=".QpayMchConf::MCH_KEY; $stringA = md5($stringA); //转成大写 $sign = strtoupper($stringA); return $sign; } /** * 数组转换成xml字符串 * @param $arr * @return string */ public static function arrayToXml($arr) { $xml = ""; foreach ($arr as $key => $val){ if (is_numeric($val)){ $xml.="<$key>$val"; } else $xml.="<$key>"; } $xml.=""; return $xml; } /** * xml转换成数组 * @param $xml * @return array|mixed|object */ public static function xmlToArray($xml) { $arr = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true); return $arr; } /** * 通用curl 请求接口。post方式 * @param $params * @param $url * @param int $timeout * * @return bool|mixed */ public static function reqByCurlNormalPost($params, $url, $timeout = 10) { return QpayMchUtil::_reqByCurl($params, $url, $timeout, false); } /** * 使用ssl证书请求接口。post方式 * @param $params * @param $url * @param int $timeout * * @return bool|mixed */ public static function reqByCurlSSLPost($params, $url, $timeout = 10) { return QpayMchUtil::_reqByCurl($params, $url, $timeout, true); } private static function _reqByCurl($params, $url, $timeout = 10, $needSSL = false) { $ch = curl_init(); curl_setopt($ch,CURLOPT_URL, $url); curl_setopt($ch,CURLOPT_TIMEOUT, $timeout); curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE); curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE); curl_setopt($ch,CURLOPT_HEADER,FALSE); curl_setopt($ch,CURLOPT_RETURNTRANSFER,TRUE); //是否使用ssl证书 if(isset($needSSL) && $needSSL != false){ curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM'); curl_setopt($ch,CURLOPT_SSLCERT, QpayMchConf::SSLCERT_PATH); curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM'); curl_setopt($ch,CURLOPT_SSLKEY, QpayMchConf::SSLKEY_PATH); } curl_setopt($ch,CURLOPT_POST, true); curl_setopt($ch,CURLOPT_POSTFIELDS, $params); $ret = curl_exec($ch); if($ret){ curl_close($ch); //log($ret); //业务记录交互流水。注：流水日志影响性能，如请求量过大，请慎重设计日志。 return $ret; } else { $error = curl_errno($ch); //log($error); //业务记录错误日志 print_r($error); curl_close($ch); return false; } } }