{

public $appkey; public $secretKey;

public $gatewayUrl = "/router/rest"; public $format = "xml"; /** 是否打开入参 check**/ public $checkRequest = true; protected $signMethod = "md5"; protected $apiVersion = "2.0";

protected $sdkVersion = "top-sdk-php-20110909"; protected function generateSign($params) {

ksort($params);

$stringToBeSigned = $this->secretKey; foreach ($params as $k => $v) {

if("@" != substr($v, 0, 1)) {

$stringToBeSigned .= "$k$v"; } }

unset($k, $v);

$stringToBeSigned .= $this->secretKey; return strtoupper(md5($stringToBeSigned)); }

protected function curl($url, $postFields = null) {

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, $url);

curl_setopt($ch, CURLOPT_FAILONERROR, false); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

if (is_array($postFields) && 0 < count($postFields)) {

$postBodyString = ""; $postMultipart = false;

foreach ($postFields as $k => $v) {

if("@" != substr($v, 0, 1))//判断是不是文件上传