/**
* @description 签名方法实现，并构造一个参数串
*
* @access private
* @param mixed $params
* @return void
*/
public function signRequest($params)
{
if ($this->access_token) {
$params['access_token'] = $this->access_token;
}
$keys = open56Client::urlencodeRfc3986(array_keys($params));
$values = open56Client::urlencodeRfc3986(array_values($params));
if ($keys and $values) {
$params = array_combine($keys, $values);
} else {
try {
throw new Exception("signRequest need params exits!");
} catch (Exception $e) {
echo $e->getMessage();
}
}
/**
* 先去除系统级参数
*/
unset($params['appkey']);
unset($params['ts']);
ksort($params);
/**
* 第一轮md5字符串
* */
$req = md5(http_build_query($params));
$ts = time();
/**当次请求的时间戳**/
/**第二轮md5字符串,得到最后的签名变量,注意里面的顺序不可以改变否则结果错误!**/
$params['sign'] = md5($req . '#' . $this->appkey . '#' . $this->secret . '#' . $ts);
$params['appkey'] = $this->appkey;
$params['ts'] = $ts;
return http_build_query($params);
}
